| | AGC is also applied to the primary IF amplifier via a D/A converter. Although the ... in the LSB, USB,CW and RTTY modes. RF Gain The information transferred to the ... RF GAIN control via the A/D converter is ... the DSP and the gain of the primary IF amplifier. Squelch (SQ) The squelch function is ... which are used each in the first-stage RF amplifier and the first mixer. The RF ... amplifier employs a high power gain circuit in ... NARROW switch AGC switch NOTCH control RF GAIN control NOTCH switch Noise Blanker ...
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