This amplifier was found in a tube equipment manual from 1947. The high-fidelity circuit has pentode tubes at the output and a source with transformer.
Common general purpose silicon diodes when direct biased provide a voltage fall of about 0.6 to...
This circuit behaves as a voltage controlled resistor and can serve as a small load. The circuit is...
STMicroelectronics MP23AB02B MEMS Audio Sensor is a compact, low-power microphone built with a...