This circuit was obtained in the 1990 Motorola Linear Databook. The circuit uses a 139 series comparator, but other series can be used. The power source need not be symmetric.
This variable timing circuit was found in 1964 General Electric documentation. Circuit uses PUTs...
This limiter circuit provides a constant amplitude signal at frequencies of up to 100 MHz. The...
This circuit was obtained from an 1974 Everyday Electronics magazine. The circuit is still current as...