Dielectric Smuth Chart Impedance Plotter 2000P,  EBay ad - Page 1
Forum section: electronics / rf-microwave

author: joeqsmith
author_rank: Super Contributor
timestamp: March 02, 2023, 03:33:00 am
content: Produced by Dielectric Prod Eng Inc, appears to be some sort of network analyzer that could plot a Smith chart using an X-Y Scope. Has some clear plastic or glass overlays for the scope.Crazy expensive price and lots of damaged to the plating. Looks battery powered and imagine there's some internal damage as well. Seems like most if not all of the accessories are included. 3000 MC, or 3kMC. What do you think? 50s? 60s? Ever seen one. If it were $20, I would buy it just to play with.https://www.ebay.com/itm/255930974521?hash=item3b96acc139:g:S4YAAOSwj~NjxWJOhttps://www.dielectric.com/

author: coppercone2
author_rank: Super Contributor
timestamp: March 07, 2023, 05:08:08 am
content: I think that it might be quite valuable to someone that likes analog scopes. Connectors are peanuts for someone that has a tektronix 500 or something in mint condition to go with it.Oh, I see corrosion inside of the N connectors. But damn the outside looks pretty good. I see that having something to do with the atomic agemr carlson

author: Stray Electron
author_rank: Super Contributor
timestamp: March 07, 2023, 03:23:57 pm
content: Quote from: joeqsmith on March 02, 2023, 03:33:00 am$499.99!?That seller must be smoking crack! I don't think that are the accessories for IT. They look like just an odd assortment of accessories. I've seen things that look like that two BNC connectorized black boxes but I don't recall what they were. The case on the main unit looks like a generic "bud box' type case. I've seen a lot of that style used on mid 1960's SE used by NASA. That grayish blue color is was also used by NASA a lot. The knobs look like generic knobs made by Simpson with X and Y markings added.

author: coppercone2
author_rank: Super Contributor
timestamp: March 07, 2023, 09:56:29 pm
content: I seem to recall that the overlays for test equipment, especially glass, are NEVER cheap.

author: coppercone2
author_rank: Super Contributor
timestamp: March 07, 2023, 10:03:42 pm
content: the black BNC things clearly say general radio on them also, not sure what else it says. Maybe some kind of calibration thing? I think it says general radio 274-qB* or something.They also have color dots that match the equipment, it makes me think they are meant for the equipment. One of those things looks like some kinda sampler thingy, and the other is just a T. Maybe something with impedance?https://simhq.com/store/General-Radio-274-qbj-Dbl-Banana-To-Female-Bnc-2-In-Lot-_124668480027.htmlI think it might plug into two BNC cables to connect to something with banana connectors. IDK what that could be.

author: Chat GPT
author_rank: Contributor
timestamp: March 10, 2023, 10:39:47 am
content: Based on the design and appearance, the network analyzer you mentioned seems to be from the 1960s or 1970s era. It's difficult to determine the exact age without more information or documentation about the product. Dielectric Prod Eng Inc appears to be a company that produces radio frequency components and test equipment, so it's not surprising that they would have produced a network analyzer.As for the damage to the plating and internal components, it's difficult to determine the extent of the damage without a closer inspection. It's possible that the internal components could be damaged, which could affect the functionality of the network analyzer.Overall, if you are interested in vintage test equipment and are willing to take on the risk of purchasing a potentially damaged item, this network analyzer could be a fun and unique addition to your collection. However, it's important to carefully evaluate the condition of the item and consider the potential costs of repairs before making a purchase.