Meinberg TCR180, Руководство пользователя

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11 Technical specification TCR180
11 Technical specification TCR180
Receiver Input: AM-input (BNC-connector):
insulated by a transformer
impedance settable 50
Ω
, 600
Ω
, 5 k
Ω
input signal: 600 mV
pp
to 8 V
pp
(Mark)
other ranges on request
DC Level Shift input (D-Sub-connector):
insulated by photocoupler
internal series resistance:
220 Ω
maximum forward current: 60 mA
diode vorward voltage: 1.0 V...1.3 V
Decoding: decoding of the following telegrams possible:
IRIG-A002 / A132 / A003 / A133 / A006 / A136 / A007 / A137
IRIG-B002 / B122 / B003 / B123 / B006 / B126 / B007 / B127
IRIG-G002 / G142 / G006 / G146
AFNOR NF S87-500
IEEE C37.118
IEEE 1344
Accuracy of Time Base: < 500 nsec compared to IRIG reference marker
Required Accuracy of
Time Code Source:
+/- 100 ppm
Holdover Mode: automatic switching to crystal time base
accuracy approximately 1*10
-8
if decoder has been synchronous for more than 1h
Backup Battery: if the power supply fails, an onboard realtime
clock keeps time and date information
important system parameters are stored in the
RAM of the system lifetime of the Lithium battery
at least 10 years
Generator Outputs: modulated output:
unbalanced sine carrier, 1 kHz
3V
pp
(MARK), 1V
pp
(SPACE) into 50 Ω
unmodulated outputs(DCLS):
TTL into 50
Ω
RS-422
active high or low selectable by jumper
optical output (option):
optical power:
typ. 15 µ W
optical connector: ST-connector
for GI 50/125 µ m
or GI 62,5/125 µ m
gradient fiber
TCR180 Date: 4th June 2021 21