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7. Technical data
ANET429-x Users Manual
44
Time Tagging:
IRIG B Time Tag
For absolute time tagging, a special time code processor
implements an IRIG-B encoder/decoder. If no external IRIG-B
source is available a time code in IRIG B format is generated
and can be used to synchronize multiple boards or modules.
Decoder:
Format:
IRIG-B-122
Resolution:
1 µs
Width:
1 Year (46 Bit)
Signal Waveform: Amplitude modulated sine wave or square
wave
Modulation Ratio:
3:1 to 6:1
Input Amplitude:
0.6Vp-p to 5Vp-p
Input Impedance:
~10k ohm
Coupling:
AC coupled
Time Jitter:
+/-5µs (depending on the ip-signal quality)
Lock time:
< 5s
Free-wheeling accuracy after 10 Minutes < 1ppm (assuming
input signal accuracy better than 50ppm)
Encoder:
Format:
IRIG-B-122
Absolute Accuracy: +/-25ppm (standard Oscillator)
Signal Waveform: Amplitude modulated sine wave
Output Amplitude: ~4.5 Vp-p, High voltage level
Output Impedance: ~51Ohm
Coupling:
AC coupled
Modulation Ratio:
~ 3:1
Carrier Frequency: 1 kHz +/-50ppm
Line
Transmitter:
Transmitter channel Output Impedance 75Ω
All TX Channel with fixed output amplitude from 0 to ±11V
High/Low Speed: Rise and Fall time automatically switched via
Analogue Switches to meet the requirement for High / Low
Speed operation
Line Receiver:
Input Impedance A to B:
typ. 50kΩ
Input Impedance A/B to GND:
typ. 25kΩ
Back panel
Connectors:
15pol. high density DSUB, female
Trigger IN and OUT
Discrete-I/O
IRIG-IN and IRIG-OUT
USB Type-A connector
RJ45 Ethernet Connector (female)
DC Power Input (2,5mm centre pin)
Summary of Contents for ANET42
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