This Vox circuit uses a specific Motorola component. We found the circuit in the 1990 Linear Databook of the same company. The transistor must be in accordance with the switched load.
Found in American documentation from the 1970s, this circuit is intended for amplifying analog TV...
This circuit produces horizontal lines or bars in a analog TV tuned between channels 2 and 5. L1...
This alarm with the 555 integrated circuit is from an EDN from the 90s. The circuit directly...