This simple logic probe circuit was found in the August 1980 issue of Radio Electronics magazine. The circuit works with both TTL and CMOS logic.
Operating in the range of 1.5 to 15 kHz, this sinusoidal oscillator is based on a 741 operational. The...
The components of this circuit are still common today. The circuit is from a 1967 publication by...
We found this circuit on Motorola Linear Interface ICs from 193. Other circuits in the series can...