Injecting video in DuMont RA-102? - Videokarma.org TV - Video

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Injecting video in DuMont RA-102?

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#18

03-10-2017, 03:04 PM

old_tv_nut old_tv_nut is offline

See yourself on Color TV!

Join Date: Jul 2004

Location: Rancho Sahuarita

Posts: 7,754

By the way, if you don't like replacing the 5.6k ohm resistor, you could add an emitter follower to your amplifier to drive the lower impedance - but you would also have to increase the coupling cap from 0.1 uf to 1 uf, a nuisance because you are getting back into the range of polarized caps.

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