The meter uses time averaging to produce a direct current that is proportional to the frequency of the input signal.
Resistor
1K
02
56K
01
200K Pot
Capacitor
560pF
0.01uF
8.2uF
Diode
1N148
IC
311
555
Reference : " Zeus Electronics "
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Last Updated : February 15, 2002
Last
Updated : February 15, 2002
