Tuned Bandpass Filter Attenuates Transmitter Noise

Designed to attenuate transmitter noise and spurious signals, TRAK-POLE digitally tuned bandpass filter is integrated with a low-noise, high-efficiency power amplifier. The filter tunes from 225 to 400 MHz and delivers 150W of RF power in the SATCOM band while providing better than 200 dBc/Hz of broadband noise performance. This hopping filter features a 3 dB bandwidth of only 250 kHz, tune time of less than 150 µs, and compatibility with a variety of modulation formats, including AM/FM/PSK/FSK.