This circuit was found in the July 1988 issue of Radio Electronics magazine. It makes use of an operational transconductance amplifier (OTA) still in use today.
This circuit was found in a 1966’s American publication. What it does is to receive a pulse and...
This dual circuit was found in an 80s Siliconix documentation. The power source must be...
We found this circuit in a Radio Electronics from the 90s. Transistors admit current equivalents,...