Soldering Project Kit
The filter allows to select telegraphic and other narrow-band signals and suppress tone interference and adjacent frequency CW station. The filter is included in the audio path of the transceiver or receiver operating in SSB or CW. The operating frequency range 350-3200 Hz. The level of rejection 40 dB. The Ewha woman. 100-500 mV. Transfer ratio 1. The 12V supply.