8
Technical Specifications
RECEIVER:
narrowband straight receiver with automatic gain control
bandwidth: approx. 40Hz
reception via internal or external ferrite antenna
MODULATION:
demodulated time marks indicated by LED
TIMECODE
CHECK:
Multiple software check of the incoming timecode
Parity and consistency check over a period of two minutes
FREE RUNNING: Without RF signal the clock runs on XTAL with an
accuracy of 10
-6
(after 24h of synchronous operation)
Disturbed reception indicated by LED
BATTERY
BACKUP:
In case of supply voltage failure the on-board RTC keeps the time
based on XTAL for more than 150 hours (buffer capacitor)
RELIABILITY OF
OPERATION:
Microprocessor supervisory circuit provides watchdog timer,
power supply monitoring and backup-battery switchover
INTERFACE:
USB 1.1 (Universal Serial Bus)
TIME ZONE:
CET/CEST (standard), always CET (without daylight saving),
UTC or east-european time (CET/CEST + 1h)
CONNECTORS:
USB connector type B
SMB antenna connector (male)
POWER SUPPLY: 5V, via USB interface of the PC
current consuption: approx. 40 mA
HOUSING:
plastic housing, IP30 protected
73mm x 117mm x 24mm (width x depth x height)
AMBIENT
TEMPERATURE: 0 ... 50°C
HUMIDITY:
max. 85 %
