This general purpose two-transistor complementary configuration was found in the December 1972 issue of Radio Electronics magazine. The power supply is between 6 and 12 V.
This preamplifier appears elsewhere in this section and this version was found in American...
This 2000 circuit, found in the documentation of the time, is intended for charging this type of...
Based on the well-known LM3909, this LED pulser circuit was found in American documentation from...