In the figure we have two circuits of limiters that provide the cut of the negative peaks of a signal. The circuit is from an 80's telecom documentation being adaptable on common receivers.
This circuit is from a 1977 publication for radio amateurs presenting a crowbar protection. The...
Found in a 1965 Motorola documentation, this circuit uses a neon lamp as a trigger element. The SCR...
Twin-T oscillators can be used to produce sinusoidal signals in the audio track with good...