Found in documentation from the 1980s, this highly sensitive circuit is based on the conduction by the presence of gas from an ionization chamber. The components are from the time.
This circuit can be used in alarms, data links or áudio links using IR radiation. The circuit is...
This amplifier can amplify signals from 10 Hz to 17 MHz with more than 30 dB of gain. The circuit is...
This circuit, found in a publication from the 1970s, produces a 1 Hz sinusoidal signal....