The purpose of this circuit is to convert a short-lived pulse into a negative rectangular pulse. The circuit uses a unijunction that can be replaced by an equivalent such as 2N2646.
This application consists of a circuit that trips when the sensor resistance drops below a few...
A negative floating regulator capable of supplying an output voltage of -100 V with regulation of 20 mV for...
This circuit was found in a 1977 Radio Shack documentation. The circuit is TTL, which must be...