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skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201240a ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? june 24, 2010 1 preliminary data sheet SKY73075-21: 2300 C 2400 mhz high gain and linearity diversity downconversion mixer applications ? 2g/3g base station transceivers: ? gsm/edge, cdma, umts/wcdma ? land mobile radio ? ism band transceivers ? high performance radio links ? rf identification features ? operating frequency range: 2300 to 2400 mhz ? if frequency range: 50 to 500 mhz ? conversion gain: 8.9 db ? input ip3: +25.3 dbm ? output ip3: +34.2 dbm ? noise figure: 8.8 db ? power-down mode ? integrated lo drivers ? integrated low loss rf baluns ? high linearity if amplifiers ? on-chip spdt lo switch (greater than 55 db lo-to-lo isolation) ? small, mcm (36-pin, 6 x 6 mm) package (msl3, 260 ? c per jedec j-std-020) s643a rfa rfb ifb+ ifbC lo1 lo2 pwrdn lo_ s el ( s witch enable) ifa+ ifaC figure 1. SKY73075-21 block diagram description the SKY73075-21 is a fully integrated diversity mixer that includes local oscillator (lo) drivers, an lo switch, high linearity mixers, and large dynamic range intermediate frequency (if) amplifiers. low loss rf baluns have also been included to reduce design complications and lower system cost. the SKY73075-21 features an input ip3 of +25.3 dbm and a noise figure (nf) of 8.8 db, making the device an ideal solution for high dynamic range systems such as 2g/3g base station receivers. the lo switch provides more than 55 db of isolation between lo inputs and supports the switching time required for gsm/edge base stations. the SKY73075-21 is manufactured using a robust silicon bicmos process and has been designed for optimum long-term reliability. the SKY73075-21 diversity downconversion mixer is provided in a compact, 36-pin multi-chip module (mcm). a functional block diagram is shown in figure 1. the pin configuration and package are shown in figure 2. signal pin assignments and functional pin descriptions are provided in table 1.
preliminary data sheet ? SKY73075-21 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 2 june 24, 2010 ? skyworks prop rietary and confidential information ? produc ts and product informatio n are subject to chang e without notice ? 201240a s1916 27 2 6 25 24 23 22 21 20 1 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 6 17 18 3 6 35 34 33 32 31 30 2 9 28 n/ c rfa v cc 1 g nd v cc 2 g nd n/ c rfb v cc 3 n/ c g nd ifb+ ifbC n/ c v cc 4 rifb n/ c v cc 7 n/ c g nd ifaC ifa+ n/ c v cc6 rifa n/ c g nd g nd lo2 g nd g nd pwrdn lo_ s el g nd lo1 v cc 5 figure 2. SKY73075-21 pinout C 36-pin mcm (top view) table 1. SKY73075-21 signal descriptions pin # n a me description pin # n a me description 1 rfa rf channel a input 19 lo1 local oscillator #1 input 2 n/c no connect 20 gnd ground 3 gnd ground 21 vcc5 dc supply, +5 v 4 vcc1 dc supply, +5 v 22 pwrdn power-down mode enable 5 gnd ground 23 lo_sel local oscillator switch select 6 vcc2 dc supply, +5 v 24 gnd ground 7 gnd ground 25 gnd ground 8 n/c no connect 26 gnd ground 9 rfb rf channel b input 27 lo2 local oscillator #2 input 10 vcc3 dc supply, +5 v 28 n/c no connect 11 n/c no connect 29 rifa if channel a bias control 12 gnd ground 30 vcc6 dc supply, +5 v 13 ifb+ if channel b positiv e output 31 n/c no connect 14 ifbC if channel b negative output 32 ifa+ if channel a positive output 15 n/c no connect 33 ifaC if channel a negative output 16 vcc4 dc supply, +5 v 34 gnd ground 17 rifb if channel b bias control 35 n/c no connect 18 n/c no connect 36 vcc7 dc supply, +5 v
preliminary data sheet ? SKY73075-21 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201240a ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? june 24, 2010 3 functional description the SKY73075-21 is a high gain diversity mixer, optimized for base station receiver applications. the device consists of two diversity channels, each consisting of a low loss rf balun, high linearity passive mixer, and a low noise if amplifier. lo amplifiers are also included that allow the SKY73075-21 to connect directly to the output of a voltage controlled oscillator (vco). this eliminates the extra gain stages needed by most discrete passive mixers. a single pole, double throw (spdt) switch has been included to select between two different lo inputs for frequency hopping applications (i.e., gsm). rf baluns and passive mixer the rf baluns provide a single ended input, which can easily be matched to 50 ? using a simple matching circuit. the rf baluns offer very low loss and excellent amplitude and phase balance. the high linearity mixer is a passive, double balanced mixer that provides a very low insertion loss, and excellent 3 rd order input insertion point (iip3) and linearity performance. addtionally, the balanced nature of the mixer provides for excellent port-to-port isolation. lo buffers and spdt lo switch the lo buffers allow the input power of the SKY73075-21 to be programmed in the range of C6 to +6 dbm. the lo section has been optimized for low-side lo injection. however, the lo can be driven over a wide frequency range with only slight degradation in performance. a high isolation spdt switch allows the SKY73075-21 to be used for frequency hopping applications. this switch provides greater than 55 db of lo1 to lo2 isolation: lo_sel logic: st a te: high lo1 enabled low lo2 enabled for applications that do not require frequency hopping, lo_sel is fixed to one state and the appropriate lo input is used. if amplifier the SKY73075-21 includes high dynamic range if amplifiers that follow the passive mixers in the signal path. the outputs require a supply voltage connection using inductive chokes. these choke inductors should be high-q and have the ability to handle 200 ma or greater. a simple matching network allows the output ports to be matched to a balanced 200 ? impedance. the if amplifiers are optimized for if frequencies between 50 and 500 mhz. the if amplifiers can be operated outside of this range, but with a slight degradation in performance. power-down mode the SKY73075-21 also includes a low current power-down mode controlled by pin 22 (pwrdn). when this pin is at a logic high level, the power-down function is enabled with the total mixer current under 1 a. electrical and mechanical specifications the absolute maximum ratings of the SKY73075-21 are provided in table 2. the recommended operating conditions are specified in table 3 and electrical specifications are provided in table 4.
preliminary data sheet ? SKY73075-21 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 4 june 24, 2010 ? skyworks prop rietary and confidential information ? produc ts and product informatio n are subject to chang e without notice ? 201240a table 2. SKY73075-21 absolute maximum ratings p a r a meter symbol minimum typic a l m a ximum units supply voltage, +5 v (vcc1 C vcc7) vcc 4.5 5.0 5.5 v supply current i cc 370 420 ma rf input power p rf +20 dbm lo input power p lo 0 +20 dbm operating case temperature t c C40 +85 ? c junction temperature t j +150 ? c storage case temperature t stg C40 +125 ? c notes: exposure to maximum rating conditions for extended periods may reduce device reliability. there is no damage to device with on ly one parameter set at the limit and all other parameters set at or below their nominal value. nominal thermal resistance (junction to center ground pad) is 5.1 ? c/w. caution : although this device is designed to be as robust as possible, electrostatic discharge (esd) can damage this device. this devi ce must be protected at all times from esd. static charges may eas ily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. industry-standard esd precautions should be used at all times. table 3. SKY73075-21 recommended operating conditions p a r a meter symbol minimum typic a l m a ximum units rf frequency range f rf 2300 2400 mhz lo frequency range (note 1) f lo 1800 2470 mhz if frequency range f if 50 500 mhz supply voltage, +5 v (vcc1 C vcc7) vcc 4.75 5.00 5.25 v supply current i cc 370 ma lo input power p lo C6 0 +6 dbm logic levels (lo_sel, pwrdn): high low 2.2 0.8 v v operating case temperature t c C40 +85 ? c note 1 : the SKY73075-21 has been optimized for low side lo injection. howe ver, the lo can be used outside of the specified frequency range with degraded performance.
preliminary data sheet ? SKY73075-21 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201240a ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? june 24, 2010 5 table 4. SKY73075-21 electrical specifications (note 1) (voltage supply = +5 v, t c = +25 ? c, lo = 0 dbm, rf frequency = 2350 mhz, if frequency = 350 mhz, lo frequency = 2000 mhz, pwrdn = 0, unless otherwise noted) p a r a meter symbol test condition min typic a l m a x units conversion gain g 8.9 db noise figure nf 8.8 db noise figure with a blocker signal nf blk blocking signal input power = +8 dbm *** tbd *** db third order input intercept point iip3 tone space = 800 khz, input tone power = C10 dbm +23.5 +25.3 dbm third order output intercept po int oip3 tone space = 800 khz, input tone power = C10 dbm +34.5 dbm 2rf C 2lo 2x2 p rf = C10 dbm C63 C70 dbc 3rf C 3lo 3x3 p rf = C10 dbm C70 C80 dbc input 1 db compression point ip1db +9.5 +13.3 dbm output 1 db compression point op1db +22.2 dbm lo1 to lo2 isolation 30 43 db channel-to-channel isolation 40 45 db rf to if isolation 30 50 db lo leakage @ if port C23 C54 dbm lo leakage: 1xlo @ rf 2xlo @ rf 3xlo @ rf 4xlo @ rf C25 C23 C28 C28 C35 C27 C53 C52 dbm dbm dbm dbm spurious measurements: 4rf-5lo 5rf-6lo 6rf-7lo 7rf-8lo 8rf-9lo 8rf-10lo 9rf-10lo 4x5 5x6 6x7 7x8 8x9 8x10 9x10 p in = 0 dbm C85 C85 C85 C85 C85 C85 C85 C100 C112 C122 C126 C125 *** tbd *** *** tbd *** dbc dbc dbc dbc dbc dbc dbc lo switching time (note 2) 1 s power-down current (note 2) (note 3) i off pwrdn = 1 0.1 1.0 a power-down/up time (note 2) 1 s logic input current (note 2) C20 +150 +250 a note 1: performance is guaranteed only under the conditions listed in this table. note 2 : characterized and guaranteed by de sign; not tested in production. note 3 : power-down functionality tested in production. power-down current (i off ) production-tested to be < 1 ma.
preliminary data sheet ? SKY73075-21 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 6 june 24, 2010 ? skyworks prop rietary and confidential information ? produc ts and product informatio n are subject to chang e without notice ? 201240a evaluation board description the SKY73075-21 evaluation board is used to test the performance of the SKY73075-21 downconversion mixer. an assembly drawing for the evaluation board is shown in figure 3 and the layer detail is provided in figure 4. a schematic diagram of the SKY73075-21 evaluation board is shown in figure 5. circuit design configurations the following design considerations are general in nature and must be followed regardless of final use or configuration: 1. paths to ground should be made as short as possible. 2. the ground pad of the SKY73075-21 has special electrical and thermal grounding requirements. this pad is the main thermal conduit for heat dissipation. since the circuit board acts as the heat sink, it must shunt as much heat as possible from the device. therefore, design the connection to the ground pad to dissipate the maximum wattage produced by the circuit board. 3. skyworks recommends including external bypass capacitors on the vcc voltage inputs of the device. 4. components l5, l6, l14, and l15 (see figure 5) are high-q low loss inductors. these inductors must be able to pass currents in excess of 200 ma dc. 5. components r1 and r2 (see figure 5) set the bias current for the if amplifiers. skyworks recommends that these resistors have a tolerance of ? 1% to optimize performance consistency of the SKY73075-21. these resistors are not required for the evaluation board to operate as specified in tables 3 and 4. package dimensions the pcb layout footprint for the SKY73075-21 is provided in figure 6. figure 7 shows the package dimensions for the 36-pin mcm and figure 8 provides the tape and reel dimensions. package and handling information since the device package is sensitive to moisture absorption, it is baked and vacuum packed before shipping. instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. the SKY73075-21 is rated to moisture sensitivity level 3 (msl3) at 260 ? c. it can be used for lead or lead-free soldering. for additional information, refer to the skyworks application note, pcb design & smt assembly/rework guidelines for mcm-l packages , document number 101752. care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. production quantities of this product are shipped in a standard tape and reel format.
preliminary data sheet ? SKY73075-21 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201240a ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? june 24, 2010 7 s1037 j4 p1 j8 j3 j1 j2 j7 j5 j 6 c 34 c 35 l15 l14 l16 l17 r2 r5 r4 r10 r7 r8 r9 c 26 c 39 c 23 c 17 c 18 l10 c 19 c 42 c 13 r1 r6 c 41 l5 l6 c 15 t1 l8 l9 c 11 c 40 c 12 c 16 c 36 c 37 c 14 l3 c 6 l4 l18 l19 r3 c 7 c 8 c 5 c 4 c 1 c 3 l2 c 2 l1 c 20 c 21 l11 c 25 c 22 c 32 c 38 c 24 c 27 t2 c 28 c 29 l12 l13 c 33 figure 3. SKY73075-21 evaluation board assembly diagram
preliminary data sheet ? SKY73075-21 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 8 june 24, 2010 ? skyworks prop rietary and confidential information ? produc ts and product informatio n are subject to chang e without notice ? 201240a s1038 layer 1: top C metal layer 2: g round layer 3: power plane layer 4: s olid g round plane figure 4. sky77024 evaluation board layer detail
preliminary data sheet ? SKY73075-21 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201240a ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? june 24, 2010 9 rfb v cc 3 g nd n/ c ifb+ ifbC n/ c v cc 4 rifb v cc 7 g nd n/ c ifa+ ifaC n/ c v cc6 rifa n/ c v cc 1 n/ c g nd v cc 2 g nd g nd n/ c rfa lo1 g nd g nd v cc 5 pwrdn lo_ s el g nd g nd lo2 j4 sky73075 c 1 0 1 2 3 4 5 6 7 8 9 27 2 6 25 24 23 22 21 20 1 9 10 11 12 13 14 15 1 6 17 18 3 6 35 34 33 32 31 30 2 9 28 c 3 0.4 pf l2 6 .8 nh l1 0 j7 c 7 0.4 pf v cc v cc l5 470 nh l8 0 l 6 470 nh l3 0 l 9 0 c 1 6 dni c 15 15 pf c 17 33 pf c 22 12 pf c 20 1 f c 8 0 l4 6 .8 nh j 6 t1 db714 v cc v cc x x n/ c l10 0 j3 v cc v cc v cc v cc c 23 33 pf l11 0 j8 r1 dni r3 0 c 13 1 f element jumper c 14 33 pf c 28 1 f c 27 33 pf c 28 dni c 2 9 15 pf t2 db714 v cc j5 l13 0 l14 470 nh l15 470 nh l12 0 r2 dni r4 0 power-down enable s1917 note: the sky73075 evaluation board can be converted to provide a differential output by removing components t1, t2, r3, and r4. some component labels may be different than the corresponding component symbol shown here. component values, however, are accurate as of the date of this data sheet. figure 5. SKY73075-21 evaluation board schematic
preliminary data sheet ? SKY73075-21 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 10 june 24, 2010 ? skyworks proprietary a nd confidential information ? products and product information are subject to chan ge without notice ? 201240a s1125 s tencil aperture top view metallization top view s older ma s k opening top view 6 .3 0.15 0.075 0.75 0. 9 0.25 0.4 0.075 6 .3 12x 0.0 6 2 24x 0.125 12x 0.0 6 3 24x 0.125 3 6 x 0.875 3 6 x 0.875 0.5 pitch typ s tencil aperture s ize for center ground pad s s hould be 80% to 100% (by area) of the s older ma s k opening of the package. c omponent outline c omponent outline s mt pad detail s cale: 2x 9 x thi s rotation 9 x rotated 180 o 9 x rotated 9 0 o c w 9 x rotated 9 0 o cc w s tencil and metallization s older ma s k opening all measurements are in millimeters 2x 2.775 thermal via array. ? 0.3 mm on 0. 6 mm pitch. additional via s in common ground pad will improve thermal and electrical performance. note: thermal via s s hould be tented and ?lled with s older ma s k, 30-35 m c u plating recommended. note: the cross-hatched area represents the merger of the center ground pad +9 individual i/o ground pads. all i/o ground pads should have at least one via connected to internal ground planes for optimum electrical performance. pin 1 pin 3 6 c omponent outline c omponent outline 6 .45 6 .3 2x 2.775 0.25 typ 6 .45 6 .3 3.88 3.88 figure 6. pcb layout footprint for the SKY73075-21 6 x 6 mm mcm
preliminary data sheet ? SKY73075-21 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201240a ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? june 24, 2010 11 all measurements are in millimeters pads are solder mask de?ned on one edge and metal de?ned on three edges. dimensioning and tolerancing according to asme y14.5m-1994 s689_ c 6 6 pin 1 indicator metal pad edge 1.05 0.1 0.4 0.05 0.5 0.1 (0.1) s ide view b bottom view a detail a detail d top view pin 3 6 pin 1 pin 1 indicator ( s ee detail d) 0.25 0.05 18x 2. 9 0.2 x 0.2 s older ma s k opening 3 6 x s mt pad 0.15 a b c 0.2 a b c 0.15 a b c c a 0.1 4x 2 4x 2 2x 1. 9 2x 1. 9 18x 2. 9 3x r0.2 4x 1.5 4x 1.5 4x 1 4x 1 4x 0.5 4x 0.5 figure 7. SKY73075-21 36-pin mcm package dimensions
preliminary data sheet ? SKY73075-21 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 12 june 24, 2010 ? skyworks proprietary a nd confidential information ? products and product information are subject to chan ge without notice ? 201240a s1850 notes: 1. carrier tape: black conductive polycarbonate 2. cover tape material: transparent conductive psa 3. cover tape size: 9.3 mm width 4. all dimensions are in millimeters 5. pin 1 orientation is in top left corner for the following skyworks products: sky73022-21, -31 sky73023-21, -31 for all other 6 x 6 mm mcm/rflga products, pin 1 orientation is in top right corner. a b 2.00 0.10 ? 1.50 0.10 0.25 0.02 (t) 6 .35 0.10 (bo) 1.75 0.10 ? 1.55 0.05 5.50 0.10 8.00 0.10 4.00 0.10 a b b a 1.30 0.10 (ko) 12.00 0.20 6 .35 0.10 (ao) pin #1 indicator ( s ee note s ) figure 8. SKY73075-21 tape and reel dimensions
preliminary data sheet ? SKY73075-21 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201240a ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? june 24, 2010 13 ordering information model n a me m a nuf a cturing p a rt number ev a lu a tion bo a rd p a rt number SKY73075-21 2300-2400 mhz downconver sion mixer SKY73075-21 tw18-d550 copyright ? 2010 skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyw orks solutions, inc. (skyworks) products or services. these m aterials, including the information co ntained herein, are provided by skyworks as a service to its customers and may be used for info rmational purposes only by the cu stomer. skyworks assumes no res ponsibility for errors or omissions in these materials or the information contained herein. skyworks may change its documentat ion, products, services, specific ations or product descriptions at any time, without notice. sk yworks makes no commitment to update the materials or information and shall have no responsi bility whatsoever for conflicts, incompatibilities, or other diff iculties arising from any future changes. no license, whether express, implied, by es toppel or otherwise, is granted to any in tellectual property rights by this document . skyworks assumes no liability for any materials, products or information provided hereunder, including the sale, distribution, re production or use of skyworks products, information or mate rials, except as may be provided in skyworks terms and conditions of sale. the materials, products and information are pr ovided as is without warranty of any ki nd, whether express, implied, statutory, or otherwise, including fitness for a particular purpose or use, merchantability, performance, qualit y or non-infringement of any intellectual property right; all su ch warranties are hereby expressly disclaimed. skyworks does not warrant the accura cy or completeness of the information, text, graphics or other items contained within these ma terials. skyworks shall not be liable for any damages, including but not limited to any special, indirect, incidental, statutory, or consequentia l damages, including without limitation, lost revenues or lost profits that may result from the use of the materials or information, wheth er or not the recipient of mat erials has been advised of the possibility of such damage. skyworks products are no t intended for use in medical, lifesaving or life-su staining applications, or other equipment in which the failure of the skyworks products could lead to personal injury, death, physical or environmental damage. skyw orks customers using or selli ng skyworks products for use in such applications do so at their own risk and agree to fully indemnify skyworks for any damages resulting from such improper use or sale. customers are responsible for their products and applications us ing skyworks products , which may deviate from published specifi cations as a result of design de fects, errors, or operation of products outside of published pa rameters or design specifications. customers sh ould include design and operating safeguards to minimize these and other risks. skyworks assumes no liability for applications assistance, customer product de sign, or damage to any equipment resulting from the use of skyw orks products outsid e of stated published specifications or parameters. skyworks, the skyworks symbol, a nd breakthrough simplicity are trademarks or registered tradem arks of skyworks solutions, inc ., in the united states and othe r countries. third-party brands and names are for identification purposes only, and are the proper ty of their respective owners. additional information, includ ing relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.

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