Tag Archives: vacuum tubes

FLYBACK DIODE USED ON RELAY CIRCUITS

The chatter of a relay is not often heard in the modern ham radio, but when I first got my amateur radio license there would most likely be more then one relay circuit somewhere in the shack. Today, most of … Continue reading

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Vacuum Tubes Are Alive And Well on Planet Earth

There is a lot of talk about the old days and vacuum tubes. It would seem that some hams think there is no place for the vacuum tube. It was recently that I was talking to my grandson, a radio … Continue reading

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Equipment Review – Hallicrafters SX-100 Receiver

The Hallicrafters SX-100 is a General Coverage Communications Double Conversion Superheterodyne Receiver. This ham radio receiver uses 14 tubes and has excellent sensitivity, selectivity, and frequency stability stability. It will receive AM, SSB, and CW. The frequency coverage is 538 … Continue reading

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