This circuit was found in the 1992 Radio Electronics Handbook. It is used to test VCR recording heads. It can also be used for other purposes.
We found this circuit that uses a thermistor as a sensor from the 1991 Electronics Experimenter Handbook....
This unusual output stage was found in the October 1974 issue of Radio Electronics magazine. The...
This circuit is from a 1998 Electronics Now and can be easily assembled since it uses a common...