Konrad, If you are not extremely familiar with using a spectrum analyzer for the applications that you mention, here are some suggestions. 1. Do not connect a transmitter or any high RF level

If you spent less than $21 on a working Tek 492, you are lucky :) The Minicircuits BLK-18-S is small enough to be fitted internally, and has a bandpass of 10-18000MHz. Internal fitting means it can't

My primary interest in my new (used) Tek 492BP spectrum analyzer is to test ham radio transverters, linear amplifiers, filters and antennas with a return loss bridge. At my job, we're urged to always

To the best of my knowledge. the displays are much the same, the difference being the LCD shutter feed from the MB.  From what I know, the LCD shutter is "fastened" to the display with an

A few years back, I reported on restoring a TDS544A that had the capacitor plague on the acquisition board. That part worked out OK, but a couple months or so later, the HV transformer in the CRT

Chuck, You are a cornucopia of knowledge! Thanks! -- Michael Lynch Dardanelle, AR

I have spent lots of time and lost lots of sleep over this.  I got up in the middle of the night last night and discovered that the problem appears to be a defective tube socket.  Not the best news

Has anyone investigated the compatability of transformers or cores from Tektronix televison studio equipment? I really don't care for the idea of trashing that gear, but I can't imagine any of the

The 7834 transformer is an all-in-one transformer, and as such it has all of the power supply windings, and the EHT on a single core. It is a cornucopia of wire sizes, taps, tapes, and wedges. The

David, I would be interested in a quote for the HV transformer of the Type 576 as well. The winding specs are readily available, unfortunately, the ferrite cores are not. There are very likely some

My Tek 130 had several Sprague Black Beauty capacitors in the oscillator circuit All were bad. I've had enough trouble (and been shocked enough) with these caps that I replace them on

That is good news to hear , some years ago I went to a company that said they could wind a 549 transformer , in todays money it cost about the same -- but it didnt work when I got it ?? . I was never

I may have located a company in UK that can handle the rewinding of these transformers. It won't be dagger cheap - they gave me a ball-park figure of about GBP100 plus tax and delivery, but that was

Have you checked the smoothing capacitor on the power supply? Mine was open circuit. Craig

Is there anyone familiar with this unit? I have one that isn't working and have traced the problem to the variable oscillator not oscillating. It's plate voltage is too low but everything seems good

There was some announcement a year or so ago that somebody has several of those in stock. Don't know who it was and if there are still some available bue I need one for my recently acquired CG5011

I did some testing on the terminals that supposedly provide the START signal. It turns out to be just a relay that closes when the recording starts and opens again when the scan is finished. The

Received and installed a new Thermister and 15Ohm resistor. The fan does start up better but there is still a problem. Watching it carefully, I see that the fan shaft has about 1/32 inch forward and

Hi : It seem the data for ebay item were missing after I post them . Add the ebay ID for easier find them . RegardTony CheungOCT 19 2019

Hi : Cable connector for the rear of 575 connection is a Amphenol 165-13 ( male ) , for the rear of 175 connection is a Amphenol 165-14 ( female ) , all those connection pin are occupied ( 9