Homebrew Rf Power Meter

Alinco ep 3010 30 ampere power supply.

Homebrew rf power meter.

Performance swr measurement 1 0 1. 1 using a 1n4148 peak detector and 2 using a 1n34a diode as the peak detector. A power meter with wide frequency range and dynamic range and relatively accuracy is a key factor to make home brew activity feel professional and get a beginning rf measurement lab one of reason is most of rlb return loss bridge type measurement need detect a low power signal might 40dbm 10dbm. Daiwa cn 801h 1 8 200 mhz swr meter.

3 mhz to 30 mhz 80w power amplifier. 50mhz 100w power amplifier. 144 mhz 125w power amplifier. Homebrew 500 watt 450 mhz power amplifier.

144 mhz 100w power amplifier. 4 kw hf power amplifier solid state. Hf 10w to 200w class e f power amplifier. 14 mhz 20w linear power amplifier.

Homebrew swr and power meter first of all this swr meter in this article is not exactly homebrew as i based the circuit on the schematic in the excellent book arduino projects of amateur radio. Hf 60w power amplifier irf840. S meter vu meter with led. Pictures of a homebrew 2 4 ghz rf power meter swr meter.

This second port will read rf power from approximately 20dbm 0dbm. Video looking at the final circuit configuration and software for the pwr swr meter. Swr power meter digital forward reflected sensor digital display rf in rf out x x directional coupler envelope detectors digital processor. Or you can do the simpler thing find an rf ammeter.

Although i bought the book and respect the copyright of the authors i will share my own schematic here. Rf power meter switch 5 4 2012. It is even possible to use the directional coupler and detector diodes from an old cellular phone. Using ohm s law you can determine power output into a dummy load.

Diamond sx 400 140 520 mhz swr meter. Hf 10w power amplifier. Homebrew rf field strength meter. 2 4 ghz rf power meter swr meter.

Performance power measurement homebrew tandem match bird coupled line digital pride breune diode type dependent 5 4 2012. My homebrew rf power meter has 2 inputs. No muss no fuss. Diamond gsv 1200 15 ampere power supply.

It is possible to make high frequency rf power swr standing wave ratio meters using homebrew directional couplers and other easily available parts. Homebrew antenna swr analyzer.