| | converter, FL222 1.9kHz 455kHz IF SSB filter, FL257 3.3kHz 455kHz IF SSB filter, ... FL52A 500Hz 455kHz IF CW filter, FL53A 250Hz 455kHz IF CW filter, HM154T ... , W4R OBF703718DIY CW SSB Collins Filters IC-746PRO HF/VHF All Mode Transceiver ... /DA converter; AGC loop management; IF filter width and shape variable; All mode ... , auto notch and selectable audio peak filters; Noise blanker; Spectrum scope; Twin ... desk mic, SP20 Speaker with audio filter, SP23 Speaker with audio filter, UT102 ... pass bandwidths; Soft and sharp filter shapes to suit operation or band ... high and low band; Improved BPF and 1st filter reduces distortion; Pre-amp changed to ... desk mic, SP20 Speaker with audio filter, SP23 Speaker with audio filter, UT-102 ... mechanical relay BPF switching and two roofing filters. The ultimate in performance, ...
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