This audio circuit was published in a Rado Electronics issue from October 1963. The transistors are from the time and the output is low impedance. Power is supplied with a voltage of 12 V.
This simple circuit produces pulses delayed in times set by the resistor in series with C on the...
This circuit was published in the Ideas section of Radio Electronics magazine in August 1983. The...
In the figure we have the receiver of a sequential remote control operating at a frequency in the range of...