Connector Specifications
P/N 7010-0935
A-13
1PPS Connector
The 1PPS connector is a coaxial female receptacle of BNC series,
Kings Electronics part number KC-79-108.
Event Marker Connector
The Event Marker connector is a coaxial female receptacle of BNC
series, Kings Electronics part number KC-79-108.
Table A-8. 1PPS Connector Specifications
Connector BNC female
Polarity Positive Pulse
Signal level >=2 V, TTL into 50 Ohm load
Pulse Width 3.3 msec (normal pulse); 5.2 msec (marked pulse)
Rise Time <= 3 nsec
Fall Time <= 3 nsec
Synchronization
Edge
Rising/Falling (user selectable)
Resolution 5 nsec
Period 10 to 1000000000 msec
Offset -500000000 to 500000000 msec; -500000 to 500000 nsec
Reference time GPS, GLONASS, UTC (USNO), UTC (SU)
Table A-9. Event Marker Connector Specifications
Connector BNC female
Polarity Positive/Negative Pulse
Logical DC voltage
levels
Low “0” from -40 V to +0.8 V
High “1” from +1.4 V to +40 V
Input impedance 2 kOhm for -40 V to 0 V and +3.3 V to +40 V
>100 kOhm for 0 V to +3.3 V
Net-G3A_OM_Book.book Page 13 Thursday, May 14, 2009 8:49 AM
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