This circuit was obtained from an American 80's documentation. The balanced mixer can be shown in CB4234. The circuit is for controlling RF signals in a modulation system.
This circuit is from the Motorola Linear Databook of 1990. The values of the components depend on the...
This circuit was found in an old American documentation on telecommunications. It is suitable for...
This circuit, suitable for tube equipment, was found in an old documentation. It uses a high...