UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - 'Beau Decca 131 projection receiver 1950'

FERNSEH · 13th Oct 2015, 10:21 pm

The waveform present at the control grid of the EL38. The repetition rate is slightly under 1mS = 1KHz. The drive is -200 volts p-p. What matters is in order to initiate the ring in the transformer the transition from peak volts to zero is rapid.

DFWB.

13th Oct 2015, 10:21 pm	#29
FERNSEH Dekatron Join Date: Mar 2005 Location: Gateshead, Tyne and Wear, UK. Posts: 7,444	Re: 'Beau Decca 131 projection receiver 1950' The waveform present at the control grid of the EL38. The repetition rate is slightly under 1mS = 1KHz. The drive is -200 volts p-p. What matters is in order to initiate the ring in the transformer the transition from peak volts to zero is rapid. DFWB. Attached Thumbnails Last edited by FERNSEH; 13th Oct 2015 at 10:27 pm.