This dual-operator thermometer circuit was found in the September 1982 issue of Radio Electronics magazine. The sensor consists of a general-purpose transistor.
The gain of this alternating voltage amplifier is 100 times, depending on the 1M-ohm resistor, which...
This circuit was found in the July 1978 issue of Radio Electronics magazine. The circuit uses a...
This microphone preamp found in a 1995 documentation offers stable microphone operation. The...