Found in a 1969 EEE, this circuit converts input pulses into linear sawtooth signals, as shown in the graphs beside the diagram.
This detector circuit can be used to check the operation of small transmitters or as an input step...
This configuration has already been found in other manuals, as the LM117 is manufactured by...
This circuit uses discharge tubes as active elements. The circuit is from a 1960s Signalite...