This is one of the channels of an amplifier suggested by Westinghouse in 1970s documentation. The circuit uses components from the era and no information about the transformer is given.
The circuit shown in the figure consists of a system for driving white LEDs (WLEDs) at low...
This configuration, found in many other circuits in this section, was obtained in a 1970s American...
The 4518 can be cascaded to count to values higher than 10. The output EN of this device can be...