Two Microwave S-band Transmitters Tideland Signal Corp For Parts Or Experiment

US $380

  • San Mateo, California, United States
  • Mar 25th
I got these modules from a friend who collected microwave components. I believe I had the test bed for the oscillator or small part that is missing from unit 1, but no longer have the part.  These are marked S-Band so figure high 2 GHz or but actual freq is unknow.  Unit 1 looks like a prototype as it does not have a gold plated enclosure. Unit 2 was never opened until I removed the covers. I do not have the cover for unit 1. Unit 1 has some damage from not being protected while the cover was removed, one transistor looks like it got damaged. NOTE:  These are sold for parts and I have no information on them at all. Most of the screws used to affix one cover are present in a small bag. Parts include two Ocean Microwave SD29391-T-2 drop-in circulators, NEC8001 and Fujitsu C161 stripline transistors.  Each measures 7 x 4 x 15/16 in and have three SMA connectors labelled: J1 Antenna, J2 to Receiver and J4, Tuning Voltage and two .1in center dc and COntrol connectors. The circuit boards is on Teflon reinforced glass and the microwave oarts are surface mounbt mostly very fine pitch transmission lines for the freq of operation.  Unit 2 has a recv filter (in output to receiver) that is gold on ceramic substrate. That is missing in unit 1. The back of the modules have a power distribution board shown in the last photo.  now the fine print: Sales tax is required for California buyers. This item will be shipped internationally through eBay's system in a Priority Mail package suitable for the items. Local pickup is possible after eBay's end of sale transaction is complete just send me a message through the Ebay messaging system to schedule a day and time. No returns on this unless I've made a gross misrepresentation.
missing one cover, operational status unknown
Brand S-Band Transmitter Module
Country/Region of Manufacture United States
Model 520.1193-02

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