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.
This circuit was obtained in a 1978 publication. The SCR may be the TIC106. What it does is act as a...
In the figure we have a high input impedance stage with a general purpose PNP transistor. An NPN transistor...
We found this circuit in a Popular Electronics of the 90s. The circuit can be easily mounted...