Suppressed zero meter


Posted on Jan 10, 2013

A zener diode placed in series with a voltmeter will prevent the meter from reading until the applied voltage exceeds the zener voltage


Suppressed zero meter
Click here to download the full size of the above Circuit.

Thus, a 10 volt zener in series with a 5-volt meter will allow the condition of a 12 V car battery to be monitored with much greater sensitivity than would be possible with a meter reading 0-15 volts.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Tesla Coil using 555
Electrometer amplifier with overload protection
Audio Gambar Skema Condenser Microphone Amplifier
Low Voltage Step-Down Converter
switches Wiring a SPDT Relay
LM2002 Series 8W audio power amplifier circuit
Thermistor basic application circuit b



Top