Meinberg DCF77 PCI510 - Manual (Page 16)

16
Technical specifications
RECEIVER: Direct conversion quadrature receiver with automatic gain
control
Bandwidth: approx. 20 Hz
ANTENNA: Active external ferrite antenna in a plastic case
Length of the cable: up to more than 100m
Standard:
BNC type connector, 5m of RG174 cable
Outdoor:
N type connector, RG58 cable
RF AMPLITUDE,
MODULATION:
Indicated by LED and on-screen by monitor program
TIMECODE
CHECK:
Parity and consistency checking over a period of two minutes
RF distortions indicated by both LED and a bit of the
status register
Without RF signal the clock runs on XTAL
with an accuracy of 10
-6 (after 1 day of synchronization)
BATTERY
BACKUP:
Lithium battery or Gold Cap
when the computer is turned off, the on-board RTC keeps the
time based on XTAL for more than 10 years (lithium battery)
rsp. 150 hours (gold cap)
RELIABILITY OF
OPERATION:
Microprocessor supervisory circuit provides watchdog timer,
power supply monitoring and backup-battery switchover
SYSTEM BUS
INTERFACE:
universal board for 3.3V and 5V systems
32 bit, 33MHz or 66MHz PCI bus
compatible to PCI specifications
DATA FORMAT: Binary, byte serial