Mini amplifier (CB21697E)

The indicated fraction watt amplifier has good gain, requiring only 100 mV input for full power excitation.

Common Source HFET Amplifier (CB25569E)
This circuit, which combines a bipolar with any JFET, was found in the April 1993 issue of...
Metal locator (CB7506E)
This simple metal detector was found in a 1960 Sylvania transistor manual. The phone must be high...
45 MHz FI amplifier (CB8414E)
Found in documentation from the 90s, this circuit was used in communications receivers of the...