Low cost microwave field strength meter


Posted on Apr 23, 2012

When operating, a waveguide directs energy onto a crystal detector. The diode shown is for X-band operation. The waveguide is a 1H inch piece of plastic tubing with the ends flared. The plastic is coated with an elec-troless copper solution to provide a conducting surface. The dimensions are not critical. For calibrated readings, the meter is placed in a known field or else compared to a calibrated meter


Low cost microwave field strength meter
Click here to download the full size of the above Circuit.

To operate the meter, point it away from the signal. Switch the meter to the desired range, and adjust the zero control for a 0 reading. Then point the waveguide at the signal, and read field strength directly.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Microphone Voice-Over Circuit
Light/dark relay switch
1.2GHz Voltage Controlled Oscillator With Linear Modulation
LED Flasher Circuit Using 555 Timer IC Schematic Diagram
power supply schematic
Spark Manual
obstacle detection sensor circuit
simple but reliable car battery tester
buzzer only beep once
Philco Portable
ECM Mic Preamp Project
Wideband DTV UHF Antenna TV Amplifier Circuit using transistor 2sc3358



Top