• on Miscellaneous Electronics
  • Published in issue 7/2011 on page 53
About the article

Analogue LED Chaser Light

The circuit shown here is formed of nine inverting transistor amplifier stages connected in series with an LED connected between emitter and ground. The output of the final stage connected to the input of the first stage. The principle is similar to the ring oscillator described by the author elsewhere in this edition.
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