EA32: DCF77 Radio Clock
Key Features
- Pulses per second and per minute
- Fast Data Transmission with FIFO Memory
- 2,5mm LED-display
- 8 bit parallel interface
- Reception status indicated by LED
- Buffered hardware clock
Product Description
Characteristics
Receiver Type | Narrowband synchronous receiver with automatic gain control, Bandwidth: approx. 40Hz |
Status Indicators | Modulation and field strength visualized by LEDs Free running state visualized by LED after switching to free running quartz clock mode |
Type of Antenna | DCF77 indoor antenna AI01 |
Display | 8 digit 7-segment LED display (2.5mm) for time or date (switch-selectable) |
Synchronization Time | 2–3 minutes, given good DCF77 reception |
Accuracy free run | Accuracy of the quartz base after min. 24hrs of synchronized operation: ±1·10-6 |
Reception Monitoring | Incoming time string undergoes multiple checks
Plausibility test using two full consecutive time strings |
Pulse Outputs | Pulse per second (PPS) and pulse per minute (PPM). TTL level, pulse width: 200 msec |
Interface | 8 Bit parallel |
Serial Time String Output | 2 BCD-bits per byte |
Dimensions of the front panel | 4HP/3U (20mm x 128mm) |
Electrical Connectors | 64-pin rear VG edge connector DIN 41612 SMB male connector |
Backup Battery Type | In case of supply voltage failure the on-board RTC keeps the time based on XTAL for more than 150 hours (buffer capacitor) Optional: lithium backup battery (life time: 10 years) |
Operating Voltage | +5 V DC |
Current Draw | ca. 120 mA |
Board type | Eurocard |
Board Dimensions | 160 mm x 100 mm, 1,5 mm Epoxy |
Supported Temperature | Operational: 0 - 50 °C (32 - 122 °F)
Storage: -20 - 70 °C (-4 - 158 °F) |
Supported Humidity | Max. 85 % (non-condensing) at 40 °C |
Contents of Shipment | Scope of supply includes an active ferrite antenna AI01 and 5m of RG174 coaxial cable with BNC connectors. Optional: AW02 with RG58 and patch cord, other length of cable |
Options | set mode with external push-buttons |
RoHS Status of Product | This product is fully RoHS-compliant. |
WEEE Status of Product | This product is handled as a B2B (Business to Business) category product. To ensure that the product is disposed of in a WEEE-compliant fashion, it can be returned to the manufacturer. Any transportation expenses for returning this product (at end-of-life) must be covered by the end user, while Meinberg will bear the costs for the waste disposal itself. |
Downloads
Short Info Sheet
Manuals
- Manual (english) not available at current time.
Please note that only the most recent manual version is available for download. This manual therefore may not be suitable for all product versions.
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