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Measuring vswr and gain in wireless systems


Measurement and control of gain and reflected power in wireless transmitters are critical auxiliary functions that are often overlooked
post 25 Jun 2024
Measuring vswr and gain in wireless systems

Swr Meter Links

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Wi-Fi SWR Meter
When building antennas for the Wifi band Like the 8dBi omni, a need for an easy way to check the antennas arose

WiFi SWR Meter
Misuratore di VSWR per le VHF-UHF-SHF, 2m, 70cm e 13cm delle bande Radio Amatori

Homebrew pwr-swr meter
xperiments with a tandem style swr coupler. the coupler uses two ft50-37 toroid cores, each with 10t

A little about SWR
No discussion about antennas would be complete without a word or two about SWR

A PIC16F876 based, automatic 1.8 - 60 MHz SWR/WATTmeter
The reading is quite precise in the whole HF band, up to 50 MHz, covering the power range from 5 to 120 W, therefore usable also in the QRP range


Antenna switch arduino for icom IC-7300

Antenna switch arduino for icom IC-7300 A solution built around an arduino nano and one of the readily available four relay switching boards

Satellite Antenna Rotator Controller and TRACker

Satellite Antenna Rotator Controller and TRACker ARCTRAC is a portable integrated satellite tracking system

Duplexer 2m-70cm

Duplexer 2m-70cm- Usare un'antenna bibanda 2/70 con due radio separate V/UHF, usare due antenne separate V/UHF con una singola radio bibanda