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| E2Q0045-38-71 electronic components This version: Jul. 1998 Previous version: Jan. 1998 KGF2701 electronic components KGF2701 Wide-Band Amplifier GENERAL DESCRIPTION The KGF2701, housed in a SMD-type 8-pin ceramic package, is a two-stage amplifier that features flat and high gain over a wide range of frequencies, internal input and output matching, and high output power. The internally matched 50 W input and output eliminate external impedance-matching circuits. The KGF2701 is ideal as a medium-power amplifier in the frequency range of 0.8 GHz to 4 GHz. FEATURES * Flat gain property from 0.8 GHz to 4 GHz * Input and output 50 W matched impedance * Single power supply: 5 V (typ.) * High linear gain: 16 dB (min.) * High output power: 14 dBm (min.) * Low noise: 4.5 dB (typ.) * Package: 8PFP PACKAGE DIMENSIONS 1.270.2 0.50.15 0.630.15 2.00.3 3.00.15 4.50.2 5.00.2 4.50.2 5.00.2 1.70.2 Package material Lead frame material Pin treatment Al203 Fe-Ni-Co alloy Ni/Au plating Au:1.0 m or more 2.00.3 0.10 +0.05 -0 INDEX MARK 7.00.3 plate thickness (Unit: mm) 1/7 electronic components KGF2701 MARKING (8) (7) (6) (5) K2701 XXX INDEX (1) (2) (3) (4) PRODUCT TYPE COMPANY LOGO LOT NUMBER (1) Input (2) GND (3) GND (4) VDD (5) Output (6) GND (7) GND (8) AGC CIRCUIT (4) VDD Input (1) Output (5) (8) AGC (2), (3), (6), (7) GND 2/7 electronic components KGF2701 ABSOLUTE MAXIMUM RATINGS Item Supply voltage Input power Total power dissipation Channel temperature Storage temperature Symbol VDD PIN Ptot Tch Tstg Condition Ta = 25C Ta = 25C Ta = 25C -- -- Unit V dBm mW C C Min. -- -- -- -- -45 Max. 8 6 800 150 125 ELECTRICAL CHARACTERISTICS (Ta = 25C) Item Operating current Isolation Linear gain Gain flatness Input return loss Output return loss Output power Noise figure Third-order intercept point Thermal resistance Symbol IDD |S12| GLIN G |S11| |S22| PO1 F IP3 Rth Channel to case (*1), f = 2.5 GHz Condition (*1), PIN = -20 dBm f = 2.5 GHz (*1), PIN = -20 dBm f = 0.8 GHz f = 2.5 GHz f = 4.0 GHz Unit mA dB dB dB dB dB dBm dB dBm C/W Min. -- -- 16.0 -- -- -- 14 -- -- -- Typ. 70 -30 17.5 1.8 -10 -10 16 4.5 25 55 Max. 90 -25 -- 2.5 -8 -8 -- -- -- -- *1 Self-bias condition: VDD = 5.2 V, VAGC = 0 V 3/7 electronic components KGF2701 RF CHARACTERISTICS KGF2701 GLIN and Noise Figure vs. Frequency KGF2701 Input, Output Return Loss and lsolation vs. Frequency 4/7 electronic components KGF2701 5/7 electronic components Test Circuit Board for KGF2701 KGF2701 (1) K2701 XXX (8) (5) Covered wire VAGC (4) 6 - f2.0 Thru hole 6 - f1.0 Thru hole Microstrip line (Z0 = 50 W) GND 0.9 OUT GND 35 IN Chip capacitor 4 - 1000 pF VDD 0.9 45 (Unit: mm) Substrate: Teflon-fiberglass (0.33 mmt, 35 mmt Cu plated both side, er = 2.5) 6/7 electronic components Application Note Example 1: Single-stage Amplifier with AGC Feed through Capacitor 1000 pF VDD +5 V 0.1 mF 1000 pF KGF2701 IN (4) 50 W Line (1) (5) 50 W Line KGF 2701 (2), (3), (6), (7) (8) 1 kW OUT AGC 1000 pF 0.1 mF Example 2: Two-stage Amplifier Feed through Capacitor 1000 pF VDD +5 V 0.1 mF 1000 pF 0.1 mF 1000 pF IN 50 W Line (1) KGF 2701 (4) 50 W Line (1) (5) 50 W Line KGF 2701 (2), (3), (6), (7), (8) (2), (3), (6), (7), (8) (5) (4) OUT 7/7 |
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