This power control for powers up to about 10 W uses wire potentiometers in an arrangement that allows to maintain the impedance. The circuit is from old European documentation.
This amplifier is from Motorola's 1990 Linear Databook. The circuit can be used with operating...
This antenna or booster amplifier operates with signals from the midband (MW) range up to the VHF...
This inductively coupled oscillator was found in an American documentation from the 90's. The...