A preamplifier is required to amplify the output of an Inductosyn® transducer before the output is sent to a converter.  The linear cassette and spar type transducers can be supplied with preamplifiers installed.  For other linear or rotary transducers, separate preamplifiers must be used.  Farrand can supply preamplifier model 219200 with screw terminals or preamplifier model 218891 or 219594 with solder terminals.  Wide temperature range versions of the solder terminal types of preamplifiers are available.  Farrand can also supply preamplifiers installed in boxes for direct mounting to machines.  For the most demanding applications, hybrid preamplifiers are available.  MIL-spec, class B, and class S models can be supplied.

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Last modified:
February 17, 2021