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Solutions for Time and Frequency Synchronization |
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Key Features
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| Type of receiver: | Three seperate receiver channels for signal conversion and best aquisition and tracking of the DCF77 signal. |
| Type of antenna: | Active ferrite antenna AW02 |
| Display: | 8 digits alphanumeric dot matrix display, digit size 5 mm |
| Cable type: | Coaxial cable RG58 indoor or outdoor usage (BNC-, N-Norm-connector) |
| Status info: | Indication of a DCF-signal with at least minimum field strength by 'Feld'-LED 'Syn.'-LED indicates the calculation of an insufficient correlation coefficient (strong interference or loss of reception) The 'Freil.'-LED indicates that the internal hardware clock is not synchronized by DCF77 |
| Synchronization time: | 2-3 minutes after correct DCF77 signal reception |
| Accuracy free run: | Accuracy in case of lost reception: ±1·10E-8 for one hour |
| Frequency outputs: | 100 kHz, 155 kHz, 1 MHz and 10 MHz standard frequencies, TTL-level DDS-frequency synthesizer with TTL, sine wave and open drain outputs, 1/3 Hz...9.999 MHz |
| Accuracy of frequency outputs: | Short term stability: ±5·10-9 (standard frequencies and synthesizer up to 10 kHz) ±2.35 mHz for synthesizer frequency > 10 kHz Holdover: ±1·10-8 for one hour |
| Pulse outputs: | High and low active pulses per second and per minute (TTL-level), pulse duration 200 msec |
| Accuracy of pulse outputs: | Time delay between two systems with max. distance of 50 km: typ. 20 µsec, max 50 µsec Time shift of successive pulses: max 1.5 µsec |
| Interface: | Three independent serial RS232-interfaces, menu configurable |
| Data format of interfaces: | Baudrate: 600, 1200, 2400, 4800, 9600 und 19200 baud Framing: 7N2, 7E1, 7E2, 8N1, 8N2, 8E1, 7O2 and 8O1 Output string: 32 ASCII characters with date, time and status information |
| Unmodulated time code output: | TTL-level |
| Modulated time code output: | IRIG AM sine wave signal: 3Vpp (MARK), 1Vpp (SPACE) into 50 ohm |
| Generated time codes: | IRIG B002: 100pps, DCLS signal, no carrier, BCD time of year IRIG B122: 100pps, AM sine wave signal, 1 kHz carrier, BCD time of year IRIG B003: 100pps, DCLS signal, no carrier, BCD time of year, SBS time of day IRIG B123: 100pps, AM sine wave signal, 1kHz carrier, BCD time of year, SBS time of day IEEE1344: Code according to IEEE1344-1995, 100pps, AM sine wave signal, 1kHz carrier, BCD time of year, SBS time of day, IEEE1344 expansion for date, time zone, daylight saving and leap second in Control Funktions Segment AFNOR: Code according to NFS-87500, 100pps, AM sine wave signal, 1kHz carrier, BCD time of year, complete date, SBS time of day |
| Dimensions of the front panel: | 12HP/3U (60mm x 128mm) |
| Electrical connectors: | 64-pin rear VG edge connector DIN 41612 SMB male connector |
| Power supply: | +5V DC |
| Backup battery type: | When main power supply fails, hardware clock runs free on quartz basis, life time of lithium battery min. 10 years |
| Firmware: | Flash-EPROM, bootstrap loader |
| Current consumption: | approx. 230 mA |
| Board type: | Eurocard |
| Board dimensions: | 160mm x 100mm , 1,5mm Epoxy |
| Ambient temperature: | 0 ... 50°C / 32 ... 122°F |
| Humidity: | Max. 85% |
| Scope of supply: | Scope of supply includes a modified active ferrite antenna AW02, 10m of RG58 coaxial cable with type-N female connectors and a 1m RG174 patch cord (type-N to SMB). |
| Options: | several oscillator versions |
| RoHS-Status of the product: | This product is fully RoHS compliant |
| WEEE status of the product: | This product is handled as a B2B category product. In order to secure a WEEE compliant waste disposal it has to be returned to the manufacturer. Any transportation expenses for returning this product (at its end of life) have to be incurred by the end user, whereas Meinberg will bear the costs for the waste disposal itself. |
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