The circuit shown in the figure has an output voltage rise time of 0.22 ms and an input time constant of approximately 1 ms.
This type of circuit is interleaved between a microphone and a transmitter in order to improve the...
This telegraph monitor was found in an American documentation for radio amateurs from the 1970s. The...
This circuit activates an incandescent garden, balcony or showcase lamp when it gets dark, turning it...