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KGF1522

Small-Signal Amplifier

Oki Electric Industry 

E2Q0019-38-71

This version: Jul. 1998

Previous version: Jan. 1998

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KGF1522

KGF1522

Small-Signal Amplifier

GENERAL DESCRIPTION

The KGF1522 is a high performance GaAs FET small-signal amplifier for L-band frequencies that

features low voltage operation, low current operation, low noise, and low distortion. The

KGF1522 specifications are guaranteed to a fixed matching circuit for 3 V and 1.9 GHz; external

impedance-matching circuits are also required. Because of its high 3rd-order intercept point,

even at its low operating current, the KGF1522 is ideal as a signal amplifier for L-band personal

handy phones, such as digital keying cordless phones that require low intermodulation proper-

ties.

FEATURES

• Low voltage and low current operation: 3 V, 5 mA (max.)

• Specifications guaranteed to a fixed matching circuits for 3 V, 1.9 GHz

• Low noise figure: 1.3 dB (typ.) at 1.9 GHz

• High linear gain: 12.5 dB (typ.) at 1.9 GHz

• High output power: 1 dB compression point = 4.5 dBm (typ.) at 1.9 GHz

• Low distortion: 3rd-order intercept point = 17 dBm (typ.) at 1.9 GHz

• Self-bias circuit configuration with built-in source capacitor

• Package: 4PSOP

PACKAGE DIMENSIONS

0.6 +0.1

–0.05

1.8±0.1

0.85±0.05

0.4

+0.1

–0.05

1.1±0.15

0.36 0.74

1.9±0.1

2.8±0.15

0 to 0.15

0.125

+0.03

–0

(Unit: mm)

Package material

Lead frame material

Pin treatment

Solder plate thickness

Epoxy resin

42 alloy

Solder plating

5 mm or more

1/8

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