synchro or resolver to digital (BCD) converters
AIT - Computer Conversions Corporation
The TSb series are miniature, high performance continuous tracking synchro or resolver to digital (BCD) converters and angle indicators employing a type 2 servo loop, designed for military and industrial control applications. They will accept any 3 wire synchro or 4 wire resolver input over a frequency range of 50 to 1200Hz. and convert it into 0 to 359.9 degrees or +/-179.9 degrees, TTL compatible BCD data.