| Type of
receiver: |
Two 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: |
Two 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 |
| Current
consumption: |
approx. 230 mA |
| 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 |
| 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. |
