3-Channel Switched Filter

Narrow band LC filters and MMIC switches combine to make up the VHF switch bank. This bank features three bandpass filters with 2% bandwidths and 65, 75, and 90 dB stopbands. Control is done thru two TTL control lines and +5V power supply voltage. Design considerations for this bank was maximum phase noise requirements under vibration and Mil-Std -202 environmental conditions.

Performance Insertion Loss 9.0 dB max. 3 dB BW 1.5 MHz VSWR 1.5:1 Power Supply +5V @ 50 mA Phase Noise -148 dBc/Hz