This circuit was obtained from a 1967 General Electric documentation. The circuit makes use of unusual SUS today. Other steps can be added to the circuit.
Found in documentation from the 1980s, this circuit uses components from that time. The circuit is...
Audio frequencies in the 300 Hz to 30 kHz range can be measured with this circuit. Transistors allow...
This circuit was found in a Philips documentation from 1966. The circuit provides 1 mW with a...