The purpose of this circuit is to check the linearity of SSB amplifiers. The circuit was found in an old documentation for hams. The diode is a general purpose detector type.
This 50% active cycle TTL clock generates signals from 4 to 20 Hz. Its power must be supplied with 5 V...
This circuit was found in a Ferranti documentation from 1969. The transistors are common types of...
Found in a 1960s documentation, this circuit uses a transistor to drive a relay as well as a set...