This TTL time base for 60 Hz or 50 Hz can be used in instrumentation circuits or even with microcontrollers, serving as a precision shield. The circuit is based on 7400 NAND ports and two transistors.
Intended for amplification of signals in the 1.7 MHz to 1 30 MHz range, this circuit uses a dual...
This circuit was found in a Popular Electronics from the 90s applying to common automotive...
This circuit of a Popular Electronics from the 90s makes use of components of the time. The...