Aa5 Radio Signal Flow Online

It creates an Automatic Volume Control voltage to keep volume steady.

It combines the incoming station frequency with a local signal to create a constant Intermediate Frequency (IF) , usually 455 kHz . 2. IF Amplifier Stage Tube: 12SK7 (or 12BA6) AA5 Radio Signal Flow

The weak signal is significantly boosted in strength while maintaining its "shape" (modulation). 3. Detector & First Audio Stage Tube: 12SQ7 (or 12AV6) Action: It creates an Automatic Volume Control voltage to

It "strips" the radio carrier wave away, leaving only the Audio Signal (the music or voice). AA5 Radio Signal Flow

This stage focuses purely on the 455 kHz signal. It uses IF Transformers to filter out everything except the desired station.