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Teardown of a LogiMetrics A300/S traveling wave tube amplifier

Posted on Tuesday, April 30th, 2019 in Teardowns by DP

LogiMetricsA300Front-600

 LogiMetrics A300/S TWTA teardown by Kerry Wong:

I just picked up a LogiMetrics A300/S 2 GHz to 4 GHz (S band) traveling wave tube amplifier (TWTA) on eBay. I had done an extreme teardown of an HP 493A TWTA a while ago and it was quite fascinating to see what’s inside of a TWT. This LogiMetrics A300/S was made from the late 70’s and unlike the HP 493A it was made entirely using solid state devices (e.g. transistors and ICs), the TWT itself of course remains a vacuum tube.

See the full post on his blog.

Check out the video after the break.

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