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This lot consists of two Operation and Maintenance Manuals. One manual is for the TN-122 / WJ-1840 0.5 to 18 GHz Microwave Tuner (down-converter), and the other manual is for the TN-122A / WJ-1840 0.1 to 18 GHz Tuner. Both manuals cover General Information, Installation, Operation (since the TN-122A is controlled by GPIB Bus, it's manual also has a list of GPIB commands), Theory of Operation, Maintenance, and Parts List. The manuals also contain specifications (pin-outs, ratings, etc.) for all integrated circuits (microprocessor, D/A converters, etc.). This is a very big help if a replacement part would ever have to be substituted. The TN-122 book is about 1 inch thick, and the TN-122A book is about ¾ inches thick. They are in good, used condition, with some markings.
(Wj-tn-122 tuners. watkins-johnson. manuals was posted and is owned by: Jerry Kane) |
J_kane@chicagopartsnetwork.com (Jerry Kane) for more information.
