Of transistor amplifiers and CRTs...
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Of transistor amplifiers and CRTs...
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Philip Pemberton
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Posted: Mon Dec 12, 2005 1:35 am    Post subject: Re: Of transistor amplifiers and CRTs... Reply with quote

In message <11pk958rhaq9o35@corp.supernews.com>
Chris Jones <lugnut808@nospam.yahoo.com> wrote:

Quote:
Here is my suggestion:

-600V -478.9V -327V -127.4V -18.2V
| Bright Ca ? ? ? 0V
| 133k? | 680k | 220k | 120k | 20k |
.-\/\-.-\/\/-..-\/\/\/-..-\/\/\/---\/\/\/---\/\/\/---
| | ^ | 220k |
| | | .-\/\/\/--.
| .--. ^ 680k |0V (Gnd)
| |G3 .-\/\/--.
| | |B (300V PNP)
| |G1 | ----^--- Contrast
| 100k | 560k | C / \ E 22k?
.---/\/\/\-.--/\/\/\----.----/ \---/\/\/\-/\/\/\-.---logic(0-4V)
6.8k ^ |
Logic 0: G1=555.2V | |
.---.

Looks promising, Chris - I'll have a play around once I get some HV PNPs.

Thanks.
--
Phil. | Acorn RiscPC600 SA220 64MB+6GB 100baseT
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