Homebrew Rf Power Meter

My homebrew rf power meter has 2 inputs.

Homebrew rf power meter. This second port will read rf power from approximately 20dbm 0dbm. Performance power measurement homebrew tandem match bird coupled line digital pride breune diode type dependent 5 4 2012. I had a 0 2a weston mounted in a mini box with very short leads to the so 239 jacks. 50mhz 350w power amplifier 2xblx15.

144 mhz 125w power amplifier. Although i bought the book and respect the copyright of the authors i will share my own schematic here. 3 mhz to 30 mhz 80w power amplifier. It is even possible to use the directional coupler and detector diodes from an old cellular phone.

Hf 10w power amplifier. Rf power meter switch 5 4 2012. 2 4 ghz rf power meter swr meter. Homebrew rf field strength meter.

S meter vu meter with led. It is possible to make high frequency rf power swr standing wave ratio meters using homebrew directional couplers and other easily available parts. Hf 10w to 200w class e f power amplifier. Swr power meter digital forward reflected sensor digital display rf in rf out x x directional coupler envelope detectors digital processor.

Using ohm s law you can determine power output into a dummy load. Diamond gsv 1200 15 ampere power supply. 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.

I found it accurate even at 2 meters. Homebrew antenna swr analyzer. 144 mhz 100w power amplifier. 14 mhz 20w linear power amplifier.

Video looking at the final circuit configuration and software for the pwr swr meter. Homebrew 500 watt 450 mhz 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. Pictures of a homebrew 2 4 ghz rf power meter swr meter.

Performance swr measurement 1 0 1. No muss no fuss. Alinco ep 3010 30 ampere power supply. 50mhz 100w power amplifier.

Daiwa cn 801h 1 8 200 mhz swr meter. Hf 60w power amplifier irf840.