Hubert v. Bonhorst wrote:
Attached pdf is page 8-5 in 2 A4 pages. LTC switch is an extra slide switch
next to divider start bottom on older units. Function is exactly the same.
Hubert
Thanks, Hubert. Another interesting thing from that note is that in
option 004 (the high performance tube) the
> My reprint of the manual has an asterisk by R6, but the note isn't there
> (I suspect I have some missing pages). The schematic around the mode
> switch is a bit of a rat's nest to follow, but it looks like there's
> 100k across the 12M R6 in normal mode, while in LTC mode R6 by itself
> wor
Hubert v. Bonhorst wrote:
John,
I had a look in the February 1973 5061A manual (serial prefix 1248).
There is a small note on Figure 8-5 wiring diagram stating different
frequency offsets R6 OPTION 004, 12 M 2E-12, 10M 2 to 3E-12 5M 3 to 4E-12
If you need a scan of this page, let me know.
Best
John,
I had a look in the February 1973 5061A manual (serial prefix 1248).
There is a small note on Figure 8-5 wiring diagram stating different
frequency offsets R6 OPTION 004, 12 M 2E-12, 10M 2 to 3E-12 5M 3 to 4E-12
If you need a scan of this page, let me know.
Best regards
Hubert
-Ursp
there is some leak-current or offset in the integrating amplifier. Suspect
the amplifier itself as well. Try to do the integrating amplifier adjustment
procedure. Eventually modulator phase needs a little bit adjustment. Be
aware that a instrument connected to control output could cause a similar
e
