This is a classic FM amplifier IF amplification stage configuration. The circuit is from a 1980s documentation. CN is the neutralizing capacitor.
This circuit is from an 80's documentation. The integrated circuit is from the time and the...
This circuit was obtained in an old English magazine (TSI) 1998 and consists of a Schmitt trigger...
This VCO with a common operational amplifier was found in an old American documentation. The...