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 was found in a Linear Technology manual from the 1990s. The circuit makes use of the...
This battery-powered micropower supply was shown in Radio Electronics magazine in 1991. The...
This circuit can measure voltages from 0 to 10 V with a very high input resistance. The circuit is...