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| E2Q0057-18-X1 electronic components This version: Oct. 1998 Previous version: -- KGF2512 electronic components KGF2512 Midium Power Amplifier for L-band GENERAL DESCRIPTION The KGF2512 is a midium power amplifier for L-band that features high output power, high linear gain, low distortion and low-current dissipation. The KGF2512 has specifications guaranteed by fixed matching circuit of 2.8V and 1500MHz band, although external impedance matching circuits are required. Because of the high output power and low distortion at the low operating current, the KGF2512 is ideal as a transmitter driver stage amplifire for portable phones such as PDC. FEATURES * High output power: 10dBm (min) * High linear gain: 27dB (min) * Low distortion (ACP): -55dBc (max) @PO=10dBm, p/4DQPSK, 50kHz * Low voltage and Low current operation: 2.8V, 32mA (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 KGF2512 MARKING (6) (5) (4) C2XX (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 KGF2512 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 = -15 dBm (*1), PIN = -30 dBm (*1), PIN = -15 dBm (*1), PO = 10 dBm 50 kHz offset (*1), PO = 10 dBm 100 kHz offset Unit MHz mA dB dBm dBc dBc Min. 1429 -- 27 10 -- -- Typ. -- 26 29 12 -60 -70 Max. 1453 32 -- -- -55 -65 *1 Self-bias condition: VDD = 2.8 V, p/4 DQPSK 3/6 electronic components KGF2512 PO and ID vs. PIN 20 VDD = 2.8V f = 1441MHz 10 Output Power PO (dBm) 80 Operating Current ID (mA) 100 KGF2512 0 60 -10 40 -20 20 -30 -60 -50 -40 -30 -20 -10 0 0 Input Power PIN (dBm) KGF2512 ACP vs. PO -30 VDD = 2.8V f = 1441MHz, p/4 DQPSK -40 ACP (dBc) -50 ACP50kHz -60 -70 ACP100kHz -80 4 6 8 10 12 14 Output Power PO (dBm) 4/6 electronic components KGF2512 PO and ACP vs. PIN at three temperatures 20 15 10 VDD = 2.8V f = 1441MHz, p/4 DQPSK, Df=50kHz -35C 0 -10 -20 -30 -40 -50 -35C +25C +85C -15 -20 -30 -25 -20 Input Power PIN (dBm) -15 -10 -70 -80 -60 KGF2512 Output Power PO (dBm) 2 0 -5 -10 ACP 50kHz (dBc) +25C +85C 5/6 electronic components KGF2512 VDD1 VDD2 1000pF 100W 100pF IN (2) 4pF (5) 8.2nH (1) (6) 2.7nH 22nH 10000pF KGF2512 3.3nH 100pF OUT (3) (4) 1pF C1 C6 L4 C5 40 IN L1 C2xx VDD1 VDD2 C3 C4 L2 R1 OUT L3 Substrate: Teflon-fiberglass (0.8mmt, 18mmt Cu plated both side, er = 2.6) C2 100 C1: 4 C2: C3: 1000 C4: 10000 1 C5: 100 C6: 8.2 L1: 2.7 L2: 22 L3: 3.3 L4: 100 R1: 40 (unit: mm) pF pF pF pF pF pF nH nH nH nH W 6/6 |
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