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skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 103146a ? skyworks proprietary information. ? products and product information are subject to change without notice. ? m ay 16, 2005 1 data sheet SKY77500 ipac? fem for quad-band gsm / gprs applications ? quad-band cellular handsets comprised of - class 4 gsm850/900 - class 1 dcs1800 pcs1900 - class 12 gprs multi-slot operation features ? high efficiency - gsm850 43% - gsm900 43% - dcs 40% - pcs 40% ? internal icc sense-resistor for ipac ? closed loop ipac or open loop operation with external pac circuit ? input/output matching 50 ohms internal (with dc blocking) ? tx-vco-to-antenna and antenna-to-rx-saw filter rf interface ? tx harmonics below C33 dbm ? phemt rf switches afford high linearity, low insertion loss and less than 20 a supply current in receive modes ? small outline - 8 mm x 10 mm ? low profile - 1.2 mm maximum ? low apc current: - 20 a ? gold plated, lead free contacts ? high impedance control inputs, 15 a, typical description the SKY77500 is a transmit and receive front end module (fem) designed in a low profile (1.2 mm), compact form factor for quad-band cellular handsets comprising gsm850/900, dcs1800, and pcs1900 operation ?a complete transmit vco-to-antenna and antenna-to-receive saw filter solution. the fem also supports class 12 general packet radio service (gprs) multi-slot operation. the module consists of separate gsm850/900 and dc s1800/pcs1900 pa blocks, internal circuitry for matching to 50 ? input and output impedances, tx harmonics filtering, high linearity and low insertion loss phemt rf switches, diplexer, and an integrated power amplifier control (ipac?) function that utilizes an internal current-sense re sistor. a custom silicon integrated circuit contains decoder circuitry to control the rf switches while providing a low current external control interface. two heterojunction bipolar transistor (hbt) pa blocks are fabricated onto a single gallium arsenide (gaas) die; one supports the gsm850/900 bands and the other supports the dcs1800 and pcs1900 bands. both pa blocks share common power supply pi ns to distribute current. the output of each pa block and the outputs to the four receive pins are connected to the antenna pin through phemt rf switches and a diplexer. the gaas die, phemt dies , silicon (si) die, and passive components are mounted on a multi-layer laminate substrate. the assembly is encapsulated with plastic overmold. band selection and control of transmit and receive rf signal flows are performed by use of three external control pins. see figure 1 shown below. two band select pins select gsm, dcs or pcs modes of operation and the tx_rx pin selects the receive or transmit mode of the respective rf switch (tx = logic 1). proper timing of the logic on this pin, pac enable, and analog power control (apc) allow for high isolation between the antenna and tx-vco while the vco is being tuned prior to the transmit burst. the pac enable input allows initial turn-on of the pac circuitry to minimize battery drain. figure 1. functional block diagram
data sheet ? SKY77500 ipac? fem for quad-band gsm / gprs skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 2 may 16, 2005 ? skyworks proprietary inform ation. ? products and pr oduct information are subject to change without notice. ? 103146a electrical specifications this section contains the following tables for the electrical characteristics of the SKY77500 power amplifier module. the absolute maximum ratings and recommended operating conditions for the SKY77500 are listed in table 1 and table 2, respectively. table 3 specifies the mode control logic and table 4 contains the electrical characteristics of the SKY77500 for the modes, gsm850, gsm900, dcs1800, and pcs1900. figure 2 is a diagram of a typical SKY77500 application. the SKY77500 is a static-sensitive electronic device and should not be stored or operated near strong electrostatic fields. detailed information on device dimensions, pin descriptions, packaging and handling can be found in later sections of this data sheet. table 1. absolute maximum ratings parameter minimum maximum unit input power (p in ) 15 dbm supply voltage (v cc ), standby, v apc 0.3 v, pac enable 0.2 v 7 v control voltage (v apc ) C0.5 v cc_max C 0.2 (see table 4 ) v storage temperature C55 +150 c table 2. recommended operating conditions parameter minimum typical maximum unit supply voltage (v cc ) 2.9 3.5 4.8v (1) v supply current (i cc ) 0 2.5 (1) a operating case temperature (t case ) Cbottom surface of package 1Cslot (12.5% duty cycle) C20 +100 2Cslot (25.0% duty cycle) C20 +100 3Cslot (37.5% duty cycle) C20 +85 4Cslot (50.0% duty cycle) C20 +85 c (1) in open loop operation: for charging conditions with v cc > 4.8 v, derate i cc linearly down to 0.5 a, maximum, at v cc = 5.5 v. table 3. mode control logic input control bits mode tx_rx bs1 bs2 gsm_rx1/standby 0 0 0 gsm_rx2 0 0 1 dcs_rx1 0 1 0 dcs_rx2 0 1 1 gsm_tx 1 0 x (1) dcs_tx 1 1 x (1) (1) x = dont care
ipac? fem for quad-band gsm / gp rs data sheet ? SKY77500 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 103146a ? skyworks proprietary information. ? products and product information are subject to change without notice. ? m ay 16, 2005 3 table 4. SKY77500 electrical specifications (1) (1 of 9) general parameter symbol test conditi on min. typ. max. units supply voltage v cc 2.9 3.5 4.8 v power control impedance z apc 85 100 115 k ? low v pe C0.1 0.5 pac enable control voltage high v pe 2.0 v cc v pac enable current (6) i pe v pe 3.0 v 30 a low v bs1 , v bs2 C0.1 0.5 band select control voltage high v bs1 , v bs2 2.0 v cc v band select current (6) i bs1 , i bs2 v bs1 3.0 v, v bs2 3.0 v 30 a low v tx_rx C0.1 0.5 tx_rx control voltage high v tx_rx 2.0 v cc v tx_rx current (6) i tx_rx 30 a standby mode i qs 10 30 leakage current receive mode i qrx v cc = 3.5 v v apc 0.3 v pac enable 0.2 v t case = +25 c p in C60 dbm 15 a closed loop v apc input filter bandwidth v apc fbw 95 135 170 khz closed loop v apc threshold v apc thcl 400 420 460 mv open loop (4) v apc enable threshold v apc thol 200 800 mv
data sheet ? SKY77500 ipac? fem for quad-band gsm / gprs skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 4 may 16, 2005 ? skyworks proprietary inform ation. ? products and pr oduct information are subject to change without notice. ? 103146a table 4. SKY77500 electrical specifications (1) (2 of 9) gsm850 mode (f = 824 to 849 mhz and p in = 0 to 6 dbm) parameter symbol test conditi on min. typ. max. units frequency range f 824 849 mhz input power p in 0 6 dbm analog power control voltage v apc 0.4 2.1 v power added efficiency pae v cc = 3.5 v p out = 33 dbm pac enable > 2.0 v pulse width 577 s duty cycle 1:8 t case = +25 c 39 43 % 2nd to 13th harmonics 2f o to 13f o bw = 3 mhz 5 dbm p out 33 dbm C45 C33 dbm p out v cc = 3.5 v t case = +25 c 33.0 34.0 p out max low voltage v cc = 2.9 v pac enable > 2.0 v t case = C20 c to +100 c (see table 2 for multislot.) p in = 0 dbm 30.5 32.0 output power p out max high voltage v cc = 4.8 v pac enable > 2.0 v t case = C20 c to +100 c (see table 2 for multislot.) p in = 0 dbm 30.5 36.5 dbm input vswr in p out = 5 to 33 dbm, controlled by v apc 1.5:1 2:1 p out enabled_rx p in = 6 dbm v apc 0.3 v pac enable 2.0 v tx_rx 0.5 v mode = gsm_rx (see table 3 ) C40 C20 p out standby p in = 6 dbm v apc 0.3 v pac enable 0.2 v tx_rx 0.2 v mode = gsm_rx (see table 3 ) C60 C39 forward isolation (5) p out enabled_tx p in = 6 dbm v apc 0.3 v pac enable 2.0v tx_rx 2.0 v mode = gsm_tx (see table 3 ) C25 0 dbm coupling of gsm850 tx output (f o ) to gsm_rx output pins (5) cg lotx-rx_ f o 5 dbm p out +33 dbm mode = gsm_tx (see table 3 ) 5 +11 dbm coupling of gsm850 tx output (2f o , 3f o ) to dcs_rx output pins cg lotx- dcs rx 5 dbm p out +33 dbm mode = gsm_tx (see table 3 ) C80 C70 dbc
ipac? fem for quad-band gsm / gp rs data sheet ? SKY77500 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 103146a ? skyworks proprietary information. ? products and product information are subject to change without notice. ? m ay 16, 2005 5 table 4. SKY77500 electrical specifications (1) (3 of 9) gsm850 mode (f = 824 to 849 mhz and p in = 0 to 6 dbm) [continued] parameter symbol test conditi on min. typ. max. units time from p out = C10 dbm to within 0.5 db of p out = +5 dbm 1.2 4.0 time from p out = C10 dbm to within 0.5 db of p out = +20.0 dbm 1.0 2.5 open loop (4) switching time rise time from p out = C10 dbm to within 0.5 db of p out = +33 dbm 1.4 3.0 s spurious spur all combinations of the following parameters: v apc = controlled (2) p in = min. to max. v cc = 2.9 v to 4.8 v load vswr = 12:1, all phase angles no parasitic oscillation > C36 dbm load mismatch load all combinations of the following parameters: v apc = controlled (2) p in = min. to max. v cc = 2.9 v to 4.8 v load vswr = 20:1, all phase angles no module damage or permanent degradation at f o + 20 mhz (869 to 894 mhz) rbw = 100 khz v cc = 3.5 v t case = +25 c 5 dbm p out 33 dbm C86 C83 rx band spurious r x_spur at 1930 to 1990 mhz rbw = 100 khz v cc = 3.5 v t case = +25 c 5 dbm p out 33 dbm C84 dbm power control dynamic range p cdr 30 50 db p out +13 to +33 dbm, +25 c C1.0 +1.0 control level 7C15 (3.2 v v cc 4.5 v) p out +13 to +33 dbm C1.5 +1.5 p out +5 to +11 dbm, +25 c C1.7 +1.7 power control variation control level 16C19 p cv p out +5 to +11 dbm C2.0 +2.0 db power control slope p cs 5 to 33 dbm 300 db/v closed loop bandwidth b cl v apc = 1.0 v 700 khz loop phase margin p m v apc = 1.0 v 50 65 deg. gsm850 receive (f = 869 to 894 mhz) mode = gsm_rx frequency range f 869 894 mhz insertion loss, ant-to-gsm_rx (5) il gsm_rx t case = +25 c 1.1 1.3 db vswr ant, gsm_rx (5) in , out 1.3:1 1.5:1
data sheet ? SKY77500 ipac? fem for quad-band gsm / gprs skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 6 may 16, 2005 ? skyworks proprietary inform ation. ? products and pr oduct information are subject to change without notice. ? 103146a table 4. SKY77500 electrical specifications (1) (4 of 9) gsm900 mode (f = 880 to 915 mhz and p in = 0 to 6 dbm) parameter symbol test conditi on min. typ. max. units frequency range f 880 915 mhz input power p in 0 6 dbm analog power control voltage v apc 0.4 2.1 v power added efficiency pae v cc = 3.5 v p out = 33 dbm pac enable > 2.0 v pulse width 577 s duty cycle 1:8 t case = +25 c 39 43 % 2nd to 13th harmonics 2f o to 13f o bw = 3 mhz 5 dbm p out 33 dbm C45 C33 dbm p out v cc = 3.5 v t case = +25 c 33.0 33.7 p out max low voltage v cc = 2.9 v pac enable > 2.0 v t case = C20 c to +100 c (see table 2 for multislot.) p in = 0 dbm 30.5 32.0 output power p out max high voltage v cc = 4.8 v pac enable > 2.0 v t case = C20 c to +100 c (see table 2 for multislot.) p in = 0 dbm 30.5 36.0 dbm input vswr in p out = 5 to 33 dbm controlled by v apc 1.5:1 2:1 p out enabled_rx p in = 6 dbm v apc 0.3 v pac enable 2.0 v tx_rx 0.5 v mode = gsm_rx (see table 3 ) C45 C20 p out standby p in = 6 dbm v apc 0.3 v pac enable 0.2 v tx_rx 0.2 v mode = gsm_rx (see table 3 ) C65 C39 forward isolation (5) p out enabled_tx p in = 6 dbm v apc 0.3 v pac enable 2.0 v tx_rx 2.0 v mode = gsm_tx (see table 3 ) C25 0 dbm coupling of gsm900 tx output (f o ) to gsm_rx output pins (5) cg hitx_rx_fo 5 dbm p out +33 dbm mode = gsm_tx (see table 3 ) 6 +11 dbm coupling of gsm900 tx output (2f o , 3f o ) to dcs_rx output pins cg hitx- dcs rx 5 dbm p out +33 dbm mode = gsm_tx (see table 3 ) C80 C70 dbc time from p out = C10 dbm to within 0.5 db of p out = +5 dbm 1.2 4.0 time from p out = C10 dbm to within 0.5 db of p out = +20.0 dbm 1.0 2.5 open loop (4) switching time rise time from p out = C10 dbm to within 0.5 db of p out = +33 dbm 1.4 3.0 s
ipac? fem for quad-band gsm / gp rs data sheet ? SKY77500 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 103146a ? skyworks proprietary information. ? products and product information are subject to change without notice. ? m ay 16, 2005 7 table 4. SKY77500 electrical specifications (1) (5 of 9) gsm900 mode (f = 880 to 915 mhz and p in = 0 to 6 dbm) [continued] parameter symbol test conditi on min. typ. max. units spurious spur all combinations of the following parameters: v apc = controlled (2) p in = min. to max. v cc = 2.9 v to 4.8 v load vswr = 12:1, all phase angles no parasitic oscillation > C36 dbm load mismatch load all combinations of the following parameters: v apc = controlled (2) p in = min. to max. v cc = 2.9 v to 4.8 v load vswr = 20:1, all phase angles no module damage or permanent degradation at f o + 20 mhz (935 to 960 mhz) rbw = 100 khz v cc = 3.5 v 5 dbm p out 33 dbm t case = +25 c C88 C84 at f o + 10 mhz (925 to 935 mhz) rbw = 100 khz v cc = 3.5 v 5 dbm p out 33 dbm t case = +25 c C86 C76 rx band spurious r x_spur at 1805 to 1880 mhz rbw = 100 khz v cc = 3.5 v 5 dbm p out 33 dbm t case = +25 c C84 dbm power control dynamic range p cdr 30 50 db p out +13 to +33 dbm, +25 c C1.0 +1.0 control level 5C15 (3.2 v v cc 4.5 v) p out +13 to +33 dbm C1.5 +1.5 p out +5 to +11 dbm, +25 c C1.7 +1.76 power control variation control level 16C19 p cv p out +5 to +11 dbm C2.0 +2.0 db power control slope p cs 5 to 33 dbm 300 db/v closed loop bandwidth b cl v apc = 1.0 v 700 khz loop phase margin p m v apc = 1.0 v 50 65 deg. gsm900 receive (f = 925 to 960 mhz) mode = gsm_rx frequency range f 925 960 mhz insertion loss, ant-to-gsm_rx (5) il gsm_rx t case = +25 c 1.1 1.3 db vswr ant, gsm_rx (5) in , out 1.2:1 1.5:1
data sheet ? SKY77500 ipac? fem for quad-band gsm / gprs skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 8 may 16, 2005 ? skyworks proprietary inform ation. ? products and pr oduct information are subject to change without notice. ? 103146a table 4. SKY77500 electrical specifications (1) (6 of 9) dcs1800 mode (f = 1710 to 1785 mhz and p in = 0 to 6 dbm) parameter symbol test conditi on min. typ. max. units frequency range f 1710 1785 mhz input power p in 0 6 dbm analog power control voltage v apc 0.4 2.1 v power added efficiency pae v cc = 3.5 v p out = 30 dbm pac enable > 2.0 v pulse width 577 s duty cycle 1:8 t case = +25 c 35 40 % 2nd to 7th harmonics 2f o to 7f o bw = 3 mhz, 0 dbm p out 30 dbm C45 C33 dbm p out v cc = 3.5 v t case = +25 c 30.0 31.0 p out max low voltage v cc = 2.9 v pac enable > 2.0 v t case = C20 c to +100 c (see table 2 for multislot.) p in = 0 dbm 27.5 29.5 output power p out max high voltage v cc = 4.8 v pac enable > 2.0 v t case = C20 c to +100 c (see table 2 for multislot.) p in = 0 dbm 27.5 33.5 dbm input vswr in p out = 0 to 30 dbm controlled by v apc 1.5:1 2:1 p out enabled_rx p in = 6 dbm v apc 0.3 v pac enable 2.0 v tx_rx 0.5 v mode = dcs_rx (see table 3 ) C60 C23 p out standby p in = 6 dbm v apc 0.3 v pac enable 0.2 v tx_rx 0.2 v mode = dcs_rx (see table 3 ) C60 C50 forward isolation (5) p out enabled_tx p in = 6 dbm v apc 0.3 v pac enable 2.0 v tx_rx 2.0 v mode = dcs_tx (see table 3 ) C35 C5 dbm coupling of dcs tx output to receive rf output pins (5) cdcs tx-rx_fo measured at all rx outputs 0 dbm p out +30 dbm mode = dcs_tx (see table 3 ) 3 3 dbm time from p out = C10 dbm to within 0.5 db of p out = 0 dbm 0.5 3.0 time from p out = C10 dbm to within 0.5 db of p out = +20.0 dbm 0.8 1.1 open loop (4) switching time rise time from p out = C10 dbm to within 0.5 db of p out = +30 dbm 1.2 1.5 s
ipac? fem for quad-band gsm / gp rs data sheet ? SKY77500 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 103146a ? skyworks proprietary information. ? products and product information are subject to change without notice. ? m ay 16, 2005 9 table 4. SKY77500 electrical specifications (1) (7 of 9) dcs1800 mode (f = 1710 to 1785 mhz and p in = 0 to 6 dbm) [continued] parameter symbol test conditi on min. typ. max. units spurious spur all combinations of the following parameters: v apc = controlled (3) p in = min. to max. v cc = 2.9 v to 4.8 v load vswr = 12:1, all phase angles no parasitic oscillation > C36 dbm load mismatch load all combinations of the following parameters: v apc = controlled (3) p in = min. to max. v cc = 2.9 v to 4.8 v load vswr = 20:1, all phase angles no module damage or permanent degradation at f o + 20 mhz (1805 to 1880 mhz) rbw = 100 khz v cc = 3.5 v 0 dbm p out 30 dbm t case = +25 c C90 C80 rx band spurious r x _spur at 925 to 960 mhz rbw = 100 khz v cc = 3.5 v 0 dbm p out 30 dbm t case = +25 c C87 dbm power control dynamic range p cdr 35 50 db p out +14 to +30 dbm, +25 c C1.0 +1.0 control level 0C8 (3.2 v v cc 4.5 v) p out +14 to +30 dbm C1.8 +1.8 p out +4 to +12 dbm, +25 c C1.9 +1.9 control level 9C13 p out +4 to +12 dbm C3.3 +3.3 p out 0 to +2 dbm, +25 c C3.0 +3.0 power control variation control level 14C15 p cv p out 0 to +2 dbm C4.5 +4.5 db power control slope p cs 0 to 30 dbm 500 db/v closed loop bandwidth b cl v apc = 1.0 v 500 khz loop phase margin p m v apc = 1.0 v 75 deg. dcs 1800 receive (f = 1805 to 1880 mhz) mode = dcs_rx frequency range f 1805 1880 mhz insertion loss, ant-to-dcs_rx (5) il dcs_rx t case = +25 c 1.3 1.5 db vswr ant, dcs_rx (5) in , out 1.2:1 1.5:1
data sheet ? SKY77500 ipac? fem for quad-band gsm / gprs skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 10 may 16, 2005 ? skyworks proprietary inform ation. ? products and pr oduct information are subject to change without notice. ? 103146a table 4. SKY77500 electrical specifications (1) (8 of 9) pcs1900 mode (f = 1850 to 1910 mhz and p in = 0 to 6 dbm) parameter symbol test conditi on min. typ. max. units frequency range f 1850 1910 mhz input power p in 0 6 dbm analog power control voltage v apc 0.4 2.1 v power added efficiency pae v cc = 3.5 v p out = 30 dbm pac enable > 2.0 v pulse width 577 s duty cycle 1:8 t case = +25 c 35 40 % 2nd to 7th harmonics 2f o to 7f o bw = 3 mhz 0 dbm p out 30 dbm C40 C33 dbm p out v cc = 3.5 v t case = +25 c 30.0 31.0 p out max low voltage v cc = 2.9 v pac enable > 2.0 v t case = C20 c to +100 c (see table 2 for multislot.) p in = 0 dbm 27.5 29.5 output power p out max high voltage v cc = 4.8 v pac enable > 2.0 v t case = C20 c to +100 c (see table 2 for multislot.) p in = 0 dbm 27.5 33.5 dbm input vswr in p out = 0 to 30 dbm controlled by v apc 1.5:1 2.2:1 p out enabled_rx p in = 6 dbm v apc 0.3 v pac enable 2.0 v tx_rx 0.5 v mode = dcs_rx (see table 3 ) C65 C23 p out standby p in = 6 dbm v apc 0.3 v pac enable 0.2 v tx_rx 0.2 v mode = dcs_rx (see table 3 ) C65 C50 forward isolation (5) p out enabled_tx p in = 6 dbm v apc 0.3 v pac enable 2.0 v tx_rx 2.0 v mode = dcs_tx (see table 3 ) C35 C5 dbm coupling of pcs tx output to receive rf output pins (5) cpcs tx-rx_fo measured at all rx outputs 0 dbm p out +30 dbm mode = dcs_tx (see table 3 ) 3 3 dbm time from p out = C10 dbm to within 0.5 db of p out = 0 dbm 0.5 3.0 time from p out = C10 dbm to within 0.5 db of p out = +20 dbm 0.8 1.1 open loop (4) switching time rise time from p out = C10 dbm to within 0.5 db of p out = +30 dbm 1.2 1.5 s
ipac? fem for quad-band gsm / gp rs data sheet ? SKY77500 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 103146a ? skyworks proprietary information. ? products and product information are subject to change without notice. ? m ay 16, 2005 11 table 4. SKY77500 electrical specifications (1) (9 of 9) pcs1900 mode (f = 1850 to 1910 mhz and p in = 0 to 6 dbm) [continued] parameter symbol test conditi on min. typ. max. units spurious spur all combinations of the following parameters: v apc = controlled (3) p in = min. to max. v cc = 2.9 v to 4.8 v load vswr = 12:1, all phase angles no parasitic oscillation > C36 dbm load mismatch load all combinations of the following parameters: v apc = controlled (3) p in = min. to max. v cc = 2.9 v to 4.8 v load vswr = 20:1, all phase angles no module damage or permanent degradation at f o + 20 mhz (1930 to 1990 mhz) rbw = 100 khz v cc = 3.5 v 0 dbm p out 30 dbm t case = +25 c C89 C80 dbm rx band spurious r x_spur at 869 to 894 mhz rbw = 100 khz v cc = 3.5 v 0 dbm p out 30 dbm t case = +25 c C87 power control dynamic range p cdr v cc = 3.5 v 35 50 db p out +14 to +30 dbm, +25 c C1.0 +1.0 db control level 0C8 (3.2 v v cc 4.5 v) p out +14 to +30 dbm C1.8 +1.8 p out +4 to +12 dbm, +25 c C1.9 +1.9 control level 9C13 p out +4 to +12 dbm C3.3 +3.3 p out 0 to +2 dbm, +25 c C3.0 +3.0 power control variation control level 14C15 p cv p out 0 to +2 dbm C4.5 +4.5 power control slope p cs 0 to 30 dbm 550 db/v closed loop bandwidth b cl v apc = 1.0 v 500 khz loop phase margin p m v apc = 1.0 v 75 deg. pcs 1900 receive (f = 1930 to 1990 mhz) mode = dcs_rx frequency range f 1930 1990 mhz insertion loss, ant-to-dcs_rx (5) il dcs_rx t case = +25 c 1.3 1.5 db vswr ant, dcs_rx (5) in , out 1.2:1 1.5:1 (1) unless specified otherwise: t case = C20 c to max. op erating temperature (see table 2 ), rl = 50 ? , pulsed operation with pulse width 1154 s and duty cycle 2:8, v cc = 2.9 v to 4.8 v. (2) i cc = 0a to xa, where x = current at p out = 33 dbm, 50 ? load, and v cc = 3.5 v. (3) i cc = 0a to xa, where x = current at p out = 30 dbm, 50 ? load, and v cc = 3.5 v. (4) this device has an open loop mode that allows bypassing the inte rnal pac circuitry. see the tec hnical information section at e nd of this document for further information. (5) terminate all unused rf ports with 50 ? load. (6) bs_1, bs_2, tx_rx, and pac_ en inputs have active 200 k ? pulldowns to ground.
data sheet ? SKY77500 ipac? fem for quad-band gsm / gprs skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 12 may 16, 2005 ? skyworks proprietary inform ation. ? products and pr oduct information are subject to change without notice. ? 103146a figure 2. typical SKY77500 fem application
ipac? fem for quad-band gsm / gp rs data sheet ? SKY77500 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 103146a ? skyworks proprietary information. ? products and product information are subject to change without notice. ? m ay 16, 2005 13 package dimensions and pin description figure 3 is a mechanical diagram of the pad layout for the SKY77500, a 32-pin leadless quad-band fem module. figure 4 provides a recommended phone board layout footprint for the fem to help the designer attain optimum thermal conductivity, good grounding, and minimum rf discontinuity for the 50-ohm terminals. figure 5 shows the device pin configuration and the pin numbering convention, which starts with pin 1 at the upper left, as indicated, and increments counter-clockwise around the package. table 5 lists the pin names and signal descriptions. typical case markings are shown in figure 6 . figure 3. SKY77500 fem package dimensions C 32-pin leadless (all views)
data sheet ? SKY77500 ipac? fem for quad-band gsm / gprs skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 14 may 16, 2005 ? skyworks proprietary inform ation. ? products and pr oduct information are subject to change without notice. ? 103146a figure 4. phone pcb layout footprint for 8 x 10 mm, 32-pin package C SKY77500
ipac? fem for quad-band gsm / gp rs data sheet ? SKY77500 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 103146a ? skyworks proprietary information. ? products and product information are subject to change without notice. ? m ay 16, 2005 15 figure 5. SKY77500 fem package pin configuration C 32-pin leadless (top view) figure 6. typical case markings table 5. pin names and signal descriptions pin name description 1 vcc1c vcc (to pac a nd switch control) 2 pac enable closed loop pac mode cmos enable 3 vcc1a vcc (to gsm 1st stage, dcs 1st stages) 4 bs_1 band select 1 (mode control) 5 dcs/pcs_in rf input 1710C1910 mhz 6 gsm_in rf input 824C915 mhz 7 gnd rf and dc ground 8 vcc1b vcc (to gsm 2nd stage, dcs 2nd stage) 9C14 gnd rf and dc ground 15 gsm_rx2 gsm receive rf output, 869 to 960 mhz 16 gnd rf and dc ground 17 gsm_rx1 gsm receive rf output, 869 to 960 mhz 18C20 gnd rf and dc ground 21 ant rf in / rf out to antenna 22C24 gnd rf and dc ground 25 dcs_rx2 dcs / pcs receive rf output, 1805C1990 mhz 26 gnd rf and dc ground 27 dcs_rx1 dcs / pcs receive rf output, 1805C1990 mhz 28 vsense feedback voltage for current sense (do not connect this pin on circuit board for closed loop operation.) 29 vbatt battery input voltage 30 vapc power control bias voltage input 31 bs_2 band select 2 (mode control) 32 tx_rx transmit / receive select (mode control) (33) ground pad ground pad, bottom of package package and handling information because of its sensitivity to moisture absorption, this device package is baked and vacuum-packed prior to shipment. instructions on the shipping container label must be followed regarding exposure to moisture after the container seal is broken, otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. the SKY77500 is capable of withstanding an msl 3/250 c solder reflow. care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. if the part is attached in a reflow oven, the temperature ramp rate should not exceed 5 c per second; maximum temperature should not exceed 250 c. if the part is manually attached, precaution should be taken to insure that the part is not subjected to temperatures exceeding 250 c for more than 10 seconds. for details on attachment techniques, precautions, and handling procedures recommended by skyworks, please refer to application note: pcb design and smt assembly/rework, document number 101752 . additional information on standard smt reflow profiles can also be found in the jedec standard j-std-020b . production quantities of this product are shipped in the standard tape-and-reel format. for packaging details, refer to application note: tape and reel, document number 101568.
data sheet ? SKY77500 ipac? fem for quad-band gsm / gprs skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 16 may 16, 2005 ? skyworks proprietary inform ation. ? products and pr oduct information are subject to change without notice. ? 103146a electrostatic discharge sensitivity the SKY77500 is a class i device. figure 7 lists the electrostatic discharge (esd) immunity level for each pin of the SKY77500 module. the numbers specify the esd threshold levels for each pin where the i-v curve between the pin and ground starts to show degradation. esd testing was performed in compliance with mil-std-883e method 3015.7 using the human body model. if esd damage threshold magnitude is found to consistently exceed 2000 volts, this so is indicated. if esd damage threshold below 2000 volts is measured for either polarity, numbers are indicated that represent worst case values observed in product characterization. various failure criteria can be utilized when performing esd testing. many vendors employ relaxed esd failure standards, which fail devices only after the pin fails the electrical specification limits or the pin becomes completely non- functional. skyworks most stringent criteria fail devices as soon as the pin begins to show any degradation on a curve tracer. to avoid esd damage, both latent and visible, it is very important that the product assembly and test areas follow the class-1 esd handling precautions listed in table 6 . figure 7. esd sensitivity areas (top view) table 6. precautions for handling gaas ic based products to avoid esd induced damage technical information closed loop control of the amplifier is enabled when pac enable is driven to logic high. the fem pa collector current will then be directly proportional to the v apc input voltage over the range of 400 mv to 2.1 v. to meet the gsm power versus time mask and switching transient requirements the fem must be provided with a dac ramp profile on the v apc input as well as proper timing on digital controls for the pac circuitry and transmit/receive switches. note: please refer to 3gpp ts 51.010-1: mobile station (ms) conformance specification. all gsm specifications are now the responsibility of 3gpp. the standards are available at http://www.3gpp.org. the SKY77500 has been designed to comply with interface requirements and dac resolution of leading base band devices. the ramp profile typically consists of a pedestal voltage, 10C16 discrete voltage steps on the rising edge of the burst, a constant region, 10C16 steps on the falling edge, and a final voltage. typically, the user defines the start, stop, and 10C16 percentage values for each rising and falling edge, which are then applied as discrete voltages at the v apc input. for the SKY77500, generally the same profile, scaled in amplitude, is used for all frequencies and power control levels. the ultimate purpose is to keep the rf output power ramp within the time mask and to maintain acceptable spectral limits at specified offset frequencies. the v apc input has an internal reconstruction filter such that external resistors or capacitors are unnecessary on the phone board or the test fixture. figure 8 represents the dynamic characteristics of the rf output burst power that results from the ramp profile delivered by the dac to the v apc input. the transmit power must not exceed the wrist straps conductive smocks, gloves and finger cots personnel grounding antistatic id badges relative humidity control and air ionizers facility dissipative floors (less than 10 9 ? to gnd) dissipative table tops protective test equipment (properly grounded) grounded tip soldering irons conductive solder suckers protective workstation static sensors bags and pouches (faraday shield) protective tote boxes (conductive static shielding) protective trays grounded carts protective packaging and transportation protective work order holders
ipac? fem for quad-band gsm / gp rs data sheet ? SKY77500 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 103146a ? skyworks proprietary information. ? products and product information are subject to change without notice. ? m ay 16, 2005 17 given limits at the time specified relative to the start and end of the data burst. additional requirements are placed on spectral components generated by switching transients. ramping at high rates will result in components that violate these spectral limits. a ramp control signal must be applied to the v apc pin, which results in the desired power ramp response. the log relationship of v apc to p out , along with the finite bandwidth and potential slew rate limitations of the feedback loop, results in a complex mapping of the ramp profile to the actual output power. careful attention is required in generating the input waveform which results in the desired output response. figure 9 shows an example of the skyworks fem test setup for evaluation of rf performance with various ramp profiles. open loop control mode with pac enable at logic low, the voltage applied to v apc is buffered and applied directly to the bases of the rf devices. this mode of operation provides backward compatibility with the existing amplifier designs and allows for various test scenarios. as with previous designs, an active clamp acts as a protection mechanism limiting the maximum voltage that can be applied to the base of the rf devices. this clamp voltage decreases with increasing supply voltage. the enable threshold on the v apc input for open loop operation exhibits a wide tolerance, which may vary from 200 mv to 800 mv. when enabled in open loop mode, the internal pac circuitry (v-i converter and integrator) is placed in standby.
data sheet ? SKY77500 ipac? fem for quad-band gsm / gprs skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 18 may 16, 2005 ? skyworks proprietary inform ation. ? products and pr oduct information are subject to change without notice. ? 103146a figure 8. example of fem recommended timing diagram
ipac? fem for quad-band gsm / gp rs data sheet ? SKY77500 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 103146a ? skyworks proprietary information. ? products and product information are subject to change without notice. ? m ay 16, 2005 19 figure 9. fem evaluation test setup C cmos
ordering information model number manufacturing part number pro duct revision package operating temperature SKY77500 SKY77500 mcm 8 x 10 x 1.2 mm C20 c to +100 c revision history revision level date description a may 16, 2005 initial release references application note: tape and reel C rf modules, document number 101568. application note: pcb design and smt assembly/rework, document number 101752 application brief: ipac? C gsm transmitter timing, ca libration and baseband control, document number 103138 application note: ipac? peak output power calibration, document number 103180 application note: SKY77500 ipac? fem quad-band gs m / gprs applications, document number 103164 user guide: ipac? test and control C baseba nd emulator interface, document number 103125 jedec standard j-std-020 3gpp ts 51.010-1; mobile station (ms) conformance specification ? 2003C2005, skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyw orks solutions, inc. ("skywork s") products. these materials are provided by skyworks as a serv ice to its customers and may be used for informational purposes only. skyworks assumes no responsibility for errors or omissions in these materials. skyworks m ay make changes to its products , specifications and product descriptions at any time, without notice. skyworks makes no commitment to update the information and shall have no responsibili ty whatsoever for conflicts, incomp atibilities, or other difficulties arising from future changes to its products and pro duct descriptions. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. exce pt as may be provided in skyworks' terms and conditions of sale for such products, skyworks assumes no liability whatsoever. these materials are provided "as is" without warranty of any ki nd, either express or implied, re lating to sale and/or use of sk yworks? products including warranties relating to fitness for a parti cular purpose, merchantability, performance, quality or non-infringement of any paten t, copyright or other intellectual property right. skyworks further does not warra nt the accuracy or completeness of the in formation, text, graphics or other item s contained within these materials. skyworks shall not be liable for any special, indirect , incidental, or consequential damages, including without limi tation, lost revenues or lost profits that may result from th e use of these materials. skyworks? products are not inte nded for use in medical, lifesaving or life-sust aining applications. skyw orks' customers using o r selling skyworks? products for use in such applications do so at their own risk and agree to fully indemnify skyworks for any damages resulting from su ch improper use or sale. the following are trademarks of sk yworks solutions, inc.: skyworks?, the skywor ks symbol, and "breakthr ough simplicity"?. produ ct names or services listed in this publication are for identification purposes only, and may be trad emarks of third parties. thi rd-party brands and names ar e the property of their re spective owners. additional information, posted at www.skywor ksinc.com, is incorporated by reference.

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