开云体育

Hi Alan Bill and Dennis. Thank you for your helpful replies.Unfortunately, the attenuator switch is not similar to the HP652a, it's a double 16 pole 10 way (balanced with 1 dB and 10 dB steps). Today

Sorry Lex, I didn't reply with info back then, because I was under the impression that you had already found what you needed. The link you listed, from the title, seems to be exactly the databook I

Please find attached Attenuator Circuit Diagram. Whole Manual way too big too send. Sent: Monday, October 09, 2017 12:08 PM To: hp_agilent_equipment@... Subject: Re:

I seem to have a box of parts mostly related to HP 652A. Do you have a Schematic to compare 652A to 654A Range Switch and Attenuator Switch? If you do, would you post the schematic for the 654A

Hi Adam, I was looking around and found this relatively recent thread on EEVBlog. I didn’t have time to read it in detail, but it looks like it may have some relevant info for

SMD oven vrs a Hot plate I’ve not had much success with these low cost ovens, I’ve found they overheat and suffer from hot spots, I guess a case of you get what you pay for. I now use a hot

Hello all, Bumping for Ed's response and to give further detail of my own search. I did a bit more searching and found a pdf from a polish? ftp. Google

I have had the T962 (with the third party EST mod from day one) and have found it works well. I strongly recommend fitting that mod kit. I also tend to only use approx 60-70% of the drawer area when

Hi Adam Thank you for the information about the memory card required as being a 128K memory card I am not a software guy or very pc literate so the listings below mean nothing to me, but I have

Hi, today I have dismantled the YO loop assembly, which contains the YTO as well as severak directional couplers etc., see here, this is my

I made a toaster oven reflow oven, and it works very well. I have made about 70 runs, building 50 SMT boards, sometimes 5 at a time, and all came out soldered correctly. The temperature delta across

Ok, I was not familiar with that generator. As it is 10 MHz max and specializes in lower frequency operation and a variety of Z outputs as well as balanced and unbalanced... Not as straight forward as

Thanks Paul, I'm located in the Panhandle of Florida, in Shalimar which is just north of Destin on the Bay. One mistake in my previous post is that the total size of the files on the

Hello-- Not for an HP nor a Tektronix product, this manual consists of a commercially-sold and bound copy of the manual for Texscan's VS-90B sweep generator (covering 5 MHz to 2.35 GHz in three

I found this: T962A SMD Reflow Oven Fix/Hack | | | | | | | | | | | T962A SMD Reflow Oven Fix/Hack I've recently purchased a popular T962A SMD reflow oven. The reviews are split on

Yes, I have one, it works okay after a third-party firmware mod and some minor hardware modifications (notably the firmware mod supports a temperature reference; the stock firmware just assumes iirc

Anyone have any experience or have colleagues who have experience using the Chinese-made reflow soldering ovens such as those being sold on the evil auction place? The one I've looked at is item

Andrew, Give it a few days for other people to check in before you DO anything. There are some VERY knowledgeable people on this list who know far more than I do. Spend your spare time studying

Hi re fixing 180 from memory Before removing the transistors a simple test Have you tested all the power supply rails on the pcb for the main frame for this test I would remove the plugging just

Hi Alan Thank you for that suggestion. That seems much more sensible than my plan. Perhaps the external attenuator could be made from the 0.25% resistors from the old unit. It is an 654A which only