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Showing posts from June, 2019

Input matching 3

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It took many hours and many iterations, but I think I finally got an impedance matching network that will work for the 300 watt LDMOS amp.

Input matching 2

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Still working on the LDMOS amp. Trying to design an input matching network. No success yet, but having fun...

Input matching

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Working on my new 300 watt LDMOS amplifier project for 630 meters.  Trying different designs for the input matching circuit

Arrival

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They arrived! A pair of 300 watt LDMOS mosfet amplifier chips. These are for the next 300 watt VLF amplifier build.