We found this 4.5 MHz amplifier for video signals from old analog TVs in the June 1992 issue of Radio Electronics magazine. It uses a 592 integrated circuit.
We found this multiple thermostat circuit in July 1980 Radio Electronics magazine. It uses...
This circuit is from a 1965 Motorola documentation. The transistors are of the time as is the...
You can program the 4018 in other ways, as shown in the figure. In this 7 divider configuration, for...