GENERAL DESCRIPTION

The KGF1521 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 KGF1521 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 KGF1521 is ideal as a small-signal amplifier for L-band personal handy phones, such as digital keying cordless phones that require low intermodulation properties.

FEATURES

• Low voltage and low current operation: 3 V, 2.5 mA (max.)

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

• Low noise figure: 1.8 dB (typ.) at 1.9 GHz

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

• High output power: 1 dB compression point = 0 dBm (typ.) at 1.9 GHz

• Low distortion: 3rd-order intercept point = 12 dBm (typ.) at 1.9 GHz

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

• Package: 4PSOP