3 ms·
High power RF transmitters are still a notable realm of tubes.
by Aloha 8y ago
High power RF transmitters are still a notable realm of tubes.
- jhallenworld 8y agoTrue, but apparently not any more in the broadcast industry. To make a 50 KW AM station these days, you use 50 1 KW solid state amplifiers and combine their outputs. https://www.youtube.com/watch?v=GXh23qrPniM https://www.youtube.com/watch?v=GXh23qrPniM
- planteen 8y agoIn the microwave frequency range for TWTAs but not so much at lower frequencies. I worked with MRI amplifiers for a while (64 MHz or 128 MHz, depending on 1.5 T or 3 T) and things have gone solid state there. Broadcast seems to have followed the same path.