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Technical specifications – Meinberg USB 5131 User Manual

Page 8

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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 %