This 100 MHz bridge circuit was found in an American 1970s documentation. The supply voltages are not indicated, nor are the tubes.
This circuit can be used with motors or resistive loads, such as heaters and incandescent lamps....
This circuit is from a 1968 Electronic Design. The circuit uses transistors of the time that can...
This circuit was found in documentation from the 1970s. It eliminates contact bouncing, providing...