Monday, November 18, 2024

November 18, 2024. A pair of shoes for the Hybrid SSB Transceiver.


With a low Plate Voltage about 20 Watts PEP 


12GE5 Beam Pentode

275 VDC on the Plate

185 VDC on the Screen

A -20 to -30 VDC Bias

90 Ma Cathode Current

17.5 Watts Plate Dissipation


Replace the SS stages with a 12BY7 Driver and the 12GE5 Final. Broad Band No Tune Amp.

200 Meters and Down... why we have the ham bands we have.

There is a publication from the ARRL called 200 Meters and Down which explains why we have the hams bands that we have. Actually, it was a f...