This is a 1960s amplifier setup found in a period publication. The circuit uses a special driver transformer that inverts the phases of the signal to excite the output transistors.
This is the traditional configuration of an adjustable tone filter with the LM567. The circuit uses a...
This transistor turn signal was found in an English magazine that no longer exists in 1975. The...
November 2016 - Texas Instruments' new TPS62135 and TPS621351 step-down converters with a wide...