Lincoln Walsh, 1947 sliding bias.
Googling also brought up a pdf of
a 1947 design by Lincoln Walsh, see
http://www.tubecad.com/2007/12/15/High-Quality%20Audio%20Amplifier%20With%20Automatic%20Bias%20Control.pdf
I have not yet seen the LW design with IST and CFB from OPT
to output stage; it lurks somewhere....
Patrick Turner.
.
Relevant Pages
- Re: Windows XP startup question
... DTMF interface. ... I don't need the full version because I have a virtual PDF printer so ... Because it was needed in a high voltage design ... Part of my chip design procedure includes testing for VERY soft power ...
(sci.electronics.design) - Re: Windows XP startup question
... DTMF interface. ... Call the cabin, push star-something, wait for confirmation tone, hang up, pack skis, head up there. ... I don't need the full version because I have a virtual PDF printer so can get PDF output from any program. ... Because it was needed in a high voltage design where uncontrolled brown-out could cause tube grid voltages to become suboptimal and lead to a serious *KABLOUIE*. ...
(sci.electronics.design) - Re: PowerPoint to CMYK PDF for Press? How?
... Sometimes the content is more important than the design or aesthetics. ... just providing a valid PDF file is sufficient. ... A high-res, first generation jpeg ... I think it depends on what you are printing. ...
(comp.publish.prepress) - Re: Windows XP startup question
... DTMF interface. ... I don't need the full version because I have a virtual PDF printer so ... Because it was needed in a high voltage design ... crank, crank, crank ... ...
(sci.electronics.design) - How to design British traffic signs
... Design of traffic signs ... The *.PDF files are unlocked and the graphics, ... current traffic signing system, to the effect that there should be ...
(misc.transport.road) |
|
