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| E2Q0056-18-X1 electronic components This version: Oct. 1998 Previous version: -- KGF2511 electronic components KGF2511 Midium Power Amplifier for UHF band GENERAL DESCRIPTION The KGF2511 is a midium power amplifier for UHF band that features high output power, high linear gain, low distortion and low-current dissipation. The KGF2511 has specifications guaranteed by fixed matching circuit of 2.8V and 900MHz band, although external impedance matching circuits are required. Because of the high output power and low distortion at the low operating current, the KGF2511 is ideal as a transmitter driver stage amplifire for portable phones such as PDC and CDMA. FEATURES * High output power: 8dBm (min) * High linear gain: 27dB (min) * Low distortion (ACP): -55dBc (max) @PO=8dBm, p/4DQPSK, 50kHz * Low voltage and Low current operation: 2.8V, 28mA (max) * Self-bias circuit configuration with built-in source capacitor * Surface mount 6-pin SOP plastic package OUTLINE DIMENSIONS 2.90.2 0.40.1 1.10.1 0.80.1 0.2 min 2.8 -0.3 +0.2 1.6 -0.1 +0.2 0 ~ 0.15 0.95 1.90.2 0.95 0.15 -0.05 (Unit: mm) +0.1 1/6 electronic components KGF2511 MARKING (6) (5) (4) C1XX (1) (2) (3) (4) (5) (6) IN GND NC VDD2 / OUT GND VDD1 (1) (2) (3) LOT NUMBER (NUMBER) PRODUCT TYPE CIRCUIT VDD1 (6) (1) IN (4) VDD2 / OUT (3) NC (2), (5) GND 2/6 electronic components KGF2511 ABSOLUTE MAXIMUM RATINGS Item Supply Voltage Total power dissipation Operating temperature Storage temperature Symbol VDD PTOT TOPE TSTG Conditions Ta = 25C Ta = 25C -- -- Unit V mW C C Min. -- -- -35 -45 Max. 7 300 +85 +125 ELECTRICAL CHARACTERISTICS (Ta = 25C) Item Frequency Operating current Linear Gain Output Power Adjacent channel power 1 Adjacent channel power 2 Symbol f IDD GLIN PO ACP1 ACP2 Conditions -- (*1), PIN = -20 dBm (*1), PIN = -30 dBm (*1), PIN = -20 dBm (*1), PO = 8 dBm 50 kHz offset (*1), PO = 8 dBm 100 kHz offset Unit MHz mA dB dBm dBc dBc Min. 889 -- 27 8 -- -- Typ. -- 24 30 10 -60 -70 Max. 960 28 -- -- -55 -65 *1 Self-bias condition: VDD = 2.8 V, p/4 DQPSK 3/6 electronic components KGF2511 PO and ID vs. PIN 20 VDD = 2.8V f = 950MHz 10 Output Power PO (dBm) KGF2511 100 80 Operating Current ID (mA) 0 60 -10 40 -20 20 -30 -60 -50 -40 -30 -20 -10 0 0 Input Power PIN (dBm) KGF2511 ACP vs. PO -30 VDD = 2.8V f = 950MHz, p/4 DQPSK -40 ACP (dBc) -50 -60 ACP50kHz -70 ACP100kHz -80 4 6 8 10 12 14 Output Power PO (dBm) 4/6 electronic components KGF2511 KGF2511 PO and ACP vs. PIN at three temperatures 20 15 10 Output Power PO (dBm) 0 VDD = 2.8V f = 950MHz, p/4 DQPSK, Df=50kHz -35C +25C +85C -20 -30 -40 -50 -35C -60 -70 -80 -30 -25 -20 Input Power PIN (dBm) -15 -10 ACP 50kHz (dBc) -10 2 0 -5 -10 +85C -15 -20 +25C 5/6 electronic components KGF2511 VDD1 VDD2 1000pF 200W 100pF IN (2) 3pF (5) 27nH (1) (6) 22nH 22nH 10000pF KGF2511 5.6nH 100pF OUT (3) (4) 2pF 0.5pF C1 C7 L4 C6 40 IN L1 C5 C1xx VDD1 VDD2 C3 C4 L2 R1 OUT L3 Substrate: Teflon-fiberglass (0.8mmt, 18mmt Cu plated both side, er = 2.6) C2 40 (unit: mm) 100 C1: 3 C2: C3: 1000 C4: 10000 2 C5: 0.5 C6: 100 C7: 27 L1: 22 L2: 22 L3: 5.6 L4: 200 R1: pF pF pF pF pF pF pF nH nH nH nH W 6/6 |
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