Another option if you need to do this a lot might be a proper RF communications test set. HP/Agilent made these, and also Marconi that I know of. These instruments combine a lot of different

The first test in the manual for the center frequency and reference level self calibration fails. Otherwise, the instrument seems to be working normally. I can't find a detailed trouble shooting

I might actually have the newer version of the hardware. My scope firmware is v2.03 and my module (It's actually a TDS2MM, not TDS2CM as I previously wrote) is v1.04 Are there any later versions than

Definitely use a directional coupler or an attenuator.I assume that the flow-through wattmeters like those made by Bird have couplers inside those plug-in modules.Jim Ford Sent from my Verizon,

At communication frequencies I use a General Radio 1800A mainly because I have the proper adapter for the probe. The 410B is fine but its adapters for any of the more common coaxial connectors are

I will say above anything else, 10W is way too much power to be putting into most test equipment, especially spectrum analyzers. You *will* burn up something in the frontend and then you'll be sad.

I use my venerable HP410B.  The ac probe has wide bandwidth and the most sensitive range of 1 V should suffice for all but the weakest power from a transmitter.  Full scale corresponds to 20 mW. 

Guilty. Oops. I guess I skipped words and saw what I wished were true. I know I've read Typical Oscilloscope Circuitry. The physical book, in my hands. But I'm pretty sure I don't own a copy.

No, the artifact is visible with any type of signal. It also appears using the signal standardizer. I used the latter today to perform some calibrations on my 7904 and I was very irritated by this

Didn't tekscopes have some other groups that were created solely for image storage back on Yahoo? Harvey

Looks like an out of phase ghost image? Signal reflection due to SWR on the probe cable? Try another signal source and different cable. Pete

I was wondering if moving the images and details related like including the link to the groups.io or other post to Tekwiki might be a solution. I'm not sure about the server limitations and expense

Hello everyone, I have a need to check the calibration on some low power watt meters (10 watts or less, 21 megahertz or less) and was wondering if anybody had a favorite procedure using their scope

Goofbid and other sites/apps that integrate with eBay probably work through eBay's API which has lost functionality (ie: certain fields of data) over the years due to privacy concerns, security

Hi, I've just repaired a 7904. Usual problem, SMPS not working. Then I've checked all voltages, HV voltages, etc.. all it's fine, very good. Just some adjustments to Z board, focus and so on. The

Regrettably goofbid appears to return zero results, at the moment. Maybe ebay have stymied them, maybe they have a simple server problem. I hope it is the latter.

Hi Tom, While I was searching for the app I tried to describe in my original post I did find WatchCount.com site. I also found the GoofBid site (www.goofbid.com). MORE IMPORTANTLY I found out where I

Look at the center of the black plastic cover, there is plastic prong made right in the cover that sticks straight down with a little barb on the end of it. You push the prong to the side just a

To Brad, AA1IP, I did not use your aluminum foil over the tip of my Torx T-10 suggestion. I asked on my local 2 m net and it was suggested to use an Allen (hex key) wrench. I used a 7/64" size Allen

Goto watchcount.com and paste the ebay item number into the keywords box. For