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PN (RN): 2049.100.50  GPM20K - Precise time and frequency generatorGPM20K is a single-board precise time and frequency generator controlled by the signals of GPS-NAVSTAR satellite navigation system which offers, apart from navigation data, exact information coherent with UTC time scale. This information is further processed by application computer which uses the data to generate output signals - IRIG-B or exact HDO frequency (depending on the user configuration), second impulse and minute impulse. Application computer sends precise time and date UTC (or CET/SCET) information via RS232C serial bus in 1 second intervals. The application computer sends the generated signals to interface circuits and then to output connectors, making them available for the user. |
Technical parameters
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| Full approximation accuracy | 4 μs |
| Communication | One serial communication line, user-defined data format |
| Inputs and outputs | Servicing and monitoring signals: RS232C. Output signals: output with open collector, max. current in on-state 20 mA, max. voltage in off-state 30 V |
| Supply voltage | 5 V DC |
| Maximum current consumption | 350 mA (with connected antenna) |
| Operating temperatures | -20 °C to +60 °C |
| Board dimensions | 96.0 mm x 77.0 mm x 16.5 mm |
| Weight | 0.1 kg |
| GPM20K operating instructions | 2049.010.52 |