This amplifier with old germanium transistors is from a 1957 documentation. The power is a few hundred milliwatts and the transformers are common types of driver and output of the time.
This 100 kHz crystal oscillator was found in American documentation from the 1980s. The JFET can...
Found in American documentation from the 90s, this circuit makes use of common components. The load must...
This circuit was found in the 1994 Linear Application Handbook by National Semiconductor. The...