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FERNSEH · 14th Mar 2019, 11:11 am

Circuit diagrams of the Sobell T90 and T91. Gas thyratrons are used in the timebase oscillators.
Local oscillator can be adjusted for Channels 1,2 and 4. H.M. = Holme Moss channel 2.

DFWB.

14th Mar 2019, 11:11 am	#3
FERNSEH Dekatron Join Date: Mar 2005 Location: Gateshead, Tyne and Wear, UK. Posts: 7,444	Re: Sobell T91 Circuit diagrams of the Sobell T90 and T91. Gas thyratrons are used in the timebase oscillators. Local oscillator can be adjusted for Channels 1,2 and 4. H.M. = Holme Moss channel 2. DFWB. Attached Thumbnails