Overview: Freescale Semiconductor Technical Data RF LDMOS Wideband Integrated Power Amplifiers The avionics AFIC10275N is a 2--stage RFIC designed for transponder applications operating from 978 to 1090 MHz. These devices are suitable for use in pulse applications, including Mode S transponders used for ADS--B. Narrowband Performance: (50 Vdc, TA = 25C) Frequency (MHz) Signal Type Pout (W) 1090 (1) Pulse 250 Peak (128 sec, 10% Duty Cycle) Gps (dB)
32.1 2nd Stage Eff. (%)
61.4 Typical Wideband Performance (50 Vdc, TA = 25C) Frequency (MHz)(2) Signal Type Pout (W) Gps (dB) 978 Pulse 250 Peak 32.6 1030 (128 sec, 10% Duty Cycle) 32.5 1090 30.1 2nd Stage Eff. (%)
61.0 59.1 60.6 Load Mismatch/Ruggedness Frequency (MHz) Signal Type VSWR Pin Test (W) Voltage 1090 (1) Pulse > 10:1 at all 0.345 W 50 (128 sec, 10% Phase Angles Peak Duty Cycle) (3 dB Overdrive) 1. Measured in 1090 MHz narrowband test circuit. 2. Measured in 978 – 1090 MHz broadband reference circuit.
