Relaxation Oscillator - Neon Lamp

Purpose

To demonstrate a pulse circuit with different pulse rates.
 

Equipment

Flasher circuit plus 1 microfarad capacitor and 0.5 and 5.0 megohm resistors.

 

Images

k7-43

Description

A series RC circuit is used to control how fast the voltage builds up across a neon lamp, causing it to◙discharge. Substitute resistors and capacitor can be inserted into the clip-board circuit to change the flash rate.