This interface shield circuit is from the 1983 Intersil Databook. The components used are uncommon today. ADCs are low-cost digital converters. The power source voltage must be 5 V.
This transistor circuit was found in Mullard's 1960s transistor manual. The transistors are...
This circuit is from old documentation having a gain of approximately 35 dB at 1 kHz with 2.2 mV...
This small audio amplifier was found in the May 1994 issue of Electronics Now magazine. The power...