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EDC 521 DC calibrator blowing fuses

Here's one I haven't seen before. Bought an EDC (now Krohn-hite) 521 DC calibrator on the surplus market that was blowi...
7 comments posted 15yrs
posted by none
7 comments posted 15yrs posted by none

Anyone having an Stanford Research SR830 manual?

The online pdf manuals are stripped of their schematics and SRS refuses to sell anything since I'm not the first owner....
2 comments posted 15yrs
posted by myname_with_a_dot_inbetween
2 comments posted 15yrs posted by myname_with_a_dot_inbetween

suggest gear ham test

hi wanted to try my hand at experimenting /repairing/aligning ham radios or at least being able to make some simple tes...
5 comments posted 15yrs
posted by m
5 comments posted 15yrs posted by m

Datron 4000 error code 2

Anyone have a copy of a Datron 4000 calibrator manual? Looking for the description of "error code 2". Thanks.
2 comments posted 15yrs
posted by none
2 comments posted 15yrs posted by none

Advance SG81

Hi Guys, Has anyone or know where I can find a service manual/circuit diagram for an "Advance Low Frequency Generator, M...
2 comments posted 15yrs
posted by baron.nospam
2 comments posted 15yrs posted by baron.nospam

WTB: Focus Potentiometer for Sencore SC3100

Have a Sencore SC3100 with a broken focus potentiometer. It is not a circuit board problem as the pot is in pieces and...
5 comments posted 15yrs
posted by chaneman1
5 comments posted 15yrs posted by chaneman1

HELP:Low-pass filter on frequency counter

Hi all, I have to made some measurements with a frequency counter (model VC3165) on low frequencies (up to 60 Hz) .I kn...
1 comments posted 15yrs
posted by briccus
1 comments posted 15yrs posted by briccus

Lecroy Wavejet 300A series scopes

Anyone use/know the higher end (350/500MHz) models in this range? Like them? Any comment or comparison with similar scop...
0 comments posted 15yrs
posted by nospam
0 comments posted 15yrs posted by nospam

T PHL and T PLH: why can they be different?

Hi, Consider the propagation time from H (high) to L (low): T PHL. Consider the propagation time from L to H: T PLH. Wh...
3 comments posted 15yrs
posted by merciadriluca
3 comments posted 15yrs posted by merciadriluca

Searching manual and connectors

Hi the gang, Firstly happy new year to all of you. I'm searching the pdf service manual for a 48Vdc 65Amp 3200W power s...
2 comments posted 15yrs
posted by pfmonet
2 comments posted 15yrs posted by pfmonet

Programmable appliance controller?

Does anyone make a programmable appliance controller that can handle fluorescent lights? I want to be able to program l...
17 comments posted 15yrs
posted by Jane__Galt
17 comments posted 15yrs posted by Jane__Galt

Dactron shaker control system binary needed.

Hi, Looking for the binary contents of the serial EEPROM 24C16N device on a Dactron Laser-PCI controller. The device is...
0 comments posted 15yrs
posted by none
0 comments posted 15yrs posted by none

Western Electric 13A Vacuum Tube

I just uncovered an old W.E. 13A vacuum tube (made in U.S.A.) 2 pin. I am still researching the value of it. Wondered i...
0 comments posted 15yrs
posted by westerness
0 comments posted 15yrs posted by westerness

Schaffner manuals ?

Hello all, We are looking for user manuals for Schaffner NSG200C mainframe, NSG222 interference generator and NSG203A li...
0 comments posted 16yrs
posted by see-alciom-dot-com
0 comments posted 16yrs posted by see-alciom-dot-com