This limiter circuit provides a constant amplitude signal at frequencies of up to 100 MHz. The circuit operates with 9 mV input signals and was found in a 1969 US documentation.
Found in a 1990s US publication, this alarm circuit detects when a light beam is interrupted. Optical...
This circuit for a commercial compact digital multimeter was found in the March 1979 issue of...
The flasher we present was found in a 1982 publication, shown in the figure. What we have is a...