Sensitive rf voltmeter


Posted on Nov 17, 2012

This circuit measures RF voltages beyond 200 MHz and up to about 5 V. The diode should be mounted in a remote probe, close to the probe tip. Sensitivity is excellent and voltages less than 1 V peak can be easily measured


Sensitive rf voltmeter
Click here to download the full size of the above Circuit.

The unit can be calibrated by connecting the input to a known level of RF voltage, such as a calibrated signal generator, and setting the calibrate control.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Simple CB receiver with SO42P
Frequency Meter
220V 200W Bulb flasher
Off-line flyback regulator
Pulse-position-modulator
Battery Indicator
The Custom TRS-80 model 1 Hi res option
3 channel audio mixer
high power amplifier 300w circuit
vna usb
motorcycle low voltage warning
Long range AM transmitter
Precision Clock Generator
Monostable flip-flop circuit consisting of door
The frame memory circuit
2 -Y- connection automatic three-speed motor acceleration control circuit



Top