rf

QRO PowerMeter for 144 MHz PA

For my 144 MHz PA, I wanted to have a separate power meter to monitor outgoing power. Off course I could have bought a BIRD with all slugs but building one yourself gives a more satisfied feeling.

PowerMeter 1

PowerMeter

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VSWR bridge for Spectrum Analyzer

A VSWR bridge is a very nice add-on to a Spectrum Analyzer when you want (or need) to measure reflection loss of for example an antenne or load (termination).

Home made VSWR bridge

Home made VSWR bridge

The VSWR bridge fits mechanically on a DSA815 Spectrum Analyzer.

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Video Switch for ATV

After being active with ATV on several bands with multiple video sources, I felt the need to have a video switch. With this I do not have to plug one video source to another anymore, it saves time especially when working in a contest.

20131031_082723

Overview of video switch unit.

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RF Power Meter

A power meter is almost a necessity when building your RF equipment. Since I did not have one I decided to build one myself.

SAM_0522_2

Analog meter with homemade scale

 

 

 

 

 

 

 

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