GPS Timing Board with PMC Interface - Model TSAT-PMC
- Complete GPS synchronized timecode reader/generator system
- GPS, IRIG-A, IRIG-B, NASA36 timecode reader
- IRIG-B output
- Time-Tag input
- Programmable start/stop time output and interrupt capability
- Freewheel capability
- High-performance, 2.5 ppm oscillator
Product Overview
The TSAT-PMC provides high-accuracy timing functions on a plug-in board for the PMC bus. Its on-board clock is kept in sync to an external timecode input; the clock’s time is also supplied as an IRIG-B output. The clock provides several timing functions, including a programmable periodic pulse rate output (“heartbeat”), a programmable start/stop output (“match”), a selectable frequency output (“oscillator out” at 1kHz, 1, 5, or 10MHz), and a time-stamping input (“time-tag”).
A complete system package, the TSAT-PMC includes an externally-mounted GPS antenna and a 100-foot cable to connect the antenna to the board, and a circuit card assembly for the bus. It automatically syncs its on-board clock to the time transmitted by GPS satellites, which provide continuous time and position information accurate to within one microsecond, and available anywhere in the world. The board outputs a timecode signal, in IRIG-B format, that conveys the day, hours, minutes, and seconds. It also has a 1kHz carrier referenced to the on-board oscillator.
The TSAT-PMC can be used as a stand-alone timecode generator. The computer programs the day, hour, minute and second, and the board continues to count from that time, using the on-board oscillator as the timebase reference; this is called "freewheeling.”
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