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Hello,-- The Tektronix C1001 camera is spoken for (and in fact is on its way to the person who claimed it). My thanks go to everyone who inquired. Thanks, and 73-- Brad AA1IP

Hi Jeb, Just found this old email in my trash bin and thought I would make a couple of comments on it. Yes, Telequipment did have an official connection to Tek in the early 70's. Tek bought the U.K.

Perfect--exactly what I needed. Thanks a lot!

Hi, I will check the cable type and find out the connectors ! May be Digikey has or possibly others... I will digg ! Herbert Am 24.09.2012 05:59, schrieb dreadlk:

That's a good point, I forgot that it had to pass SPC before you could start calibration. I was thinking that the DC balance could be too far off for SPC to compensate, but that calibration might

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Is this normal? http://w140.com/561a_crt_discoloration.jpg thanks, -Kurt

Seems like you have a bunch of bad attenuator hybrids. I doubt that you would be able to run adjustment software at

EIA Power Connector; Delete Chassis Tracks; Rack Mount Ears Punched for EIA Standard; +$215.00.

That sounds like caps which might be part of Horizontal Display Logic circuit. If remember correctly, that circuit is in that area of the board.

Does anyone have a copy of the adjustment software for the TDS744A that they could share? I have one that had its input attenuators used to repair another scope. Now I've managed find a set of

That is the value of coupling capacitance I measured on mine as well and the low frequency cutoff was indeed pretty close to 70kHz. <c.sawyers@...> wrote:

On Mon, 24 Sep 2012 08:50:17 -0000, "tjeenz" <tjeenz@...> wrote: That fits with pin 1 being 3.5 volts instead of 2.2 volts. The low resistance between the collector and base is pulling that node

I wasn't aware of the 7k readout behavior so thanks for the tip. I'll have to try it and get back to you. I wonder if this solution would apply to the 5440's with the 5a48 plugin? jamie

I measure a series capacitance between input and output of 47nF. So into 50 ohms that implies that its 3dB low frequency is about 70kHz. And since it is specced for use with the 7L12/13 it must go to

This is their BNC DC block. Finding any data on it is pretty much impossible; tried lots of Google searches, old Tek catalogs, etc. (It's listed under spectrum analyzer accessories.) About the only

Louis ...... and I think you mean 577 ( not 477) curve tracer Dave -- Dave Henderson Manuals@... www.Artekmanuals.com PO Box 175 Welch,MN 55089 651-269-4265

Louis If you don find a free copy contact me off list at manuals@... we have a very nice professional quality scan of the 178 manual at a very affordable price Cheers Dave -- Dave