Found in a 1990s American technical brochure, this circuit is intended for alarms that use as photodiode sensors. The circuit has a frequency response of up to 20 kHz. The gain is 40 dB.
This circuit sources a ramp signal with characteristic given by the diac. The circuit is powered...
Found in old documentation, this circuit is intended for low level amplitude modulation with low...
Found in an article in the August 1971 Radio Electronics magazine, this circuit supports 106...