This circuit uses an 18 MHz crystal to generate 36 MHz signals. We found it in an 80's documentation. The circuit has an input for frequency modulation.
The previous circuit (CB15629E) can be changed to generate a sawtooth signal synchronized...
This is a factory circuit from an 80's manual. The circuit can be implemented with modern...
January 2017 – The bq35100 integrated circuit, a charge monitor and EOS for non-rechargeable...