This low frequency sinusoidal oscillator was obtained in documentation from the 1970s. Operational equivalents can be used. The FET is a general-purpose type.
This circuit is from the 1983 Intersil Databook. The ADC0801 and 0804 are low-cost AD converters. They...
This circuit uses only two transistors, the first being low noise, being indicated for dynamic...
This circuit divides the frequency of a signal by two. The circuit is found in the May 1977 issue...