This circuit found in a 1964 US publication reverses the signal level by providing 9 to 0 V outputs from 0 to 9 V signals. Transistors may be equivalent.
In this oscillator circuit using 3 TTL inverters we have all the conditions for the frequency...
This V/F converter was published in the June 1991 issue of Radio Electronics magazine. The...
The circuit show and simulated in the MultiSIM BLUE is a high pass filter using a 741 operational...