This circuit uses a 555 (according to the diagram) to generate 50 ms tone bursts at a frequency of 1.5 kHz. The circuit is from an 80's Electronic Design.
E) This soft start dimmer was found in a Motorola documentation from 1968. However, it can be...
This circuit, from the 1990 Motorola Dataar Databook, can be implemented with other comparators. The...
This circuit, for a bulb of 6 V up to 200 mA, was found in an old Argentine publication of the...