This circuit has a 2 V full scale using a 4-and-a-half-digit A / D converter. The circuit is powered by a voltage of 9 V. We found this configuration in the 1983 Intersil Databook.
This circuit was found in the 1992 Radio Electronics Handbook. It is used to test VCR recording heads....
In the figure we have an infrared receiver circuit using an operational 741. The circuit is an...
This circuit for dual-gate MOSFET was found in a 90’s Popular Electronics. The coils are according...