1Pps Out [1204-18, -19, -21, -2B] - Spectracom SecureSync User Reference Manual

5.2.1

1PPS Out [1204-18, -19, -21, -2B]

5.2.1.1 1PPS Output Modules (TTL, 10V, RS-485)
The 1PPS output module provides four additional 1PPS outputs on BNC connectors or terminal
block for the SecureSync platform.
5.2.1.2 Model 1204-18 1PPS Output (TTL): Specifications
Figure 5-2:
5.2.1.3 Model 1204-19 1PPS Output (10 V): Specifications
CHAPTER •
5 SecureSync User Reference Guide Rev. 18
Outputs: (4) 1PPS output
Signal Type and Connector: TTL (BNC)
Output Load Impedance: 50 Ω
Rise Time to 90% of Level: <10 ns
Programmable Pulse Width: 100 ns to 900 ms with 20 ns resolution
Absolute Phase Error: ±50 ns (1σ)
Programmable Phase Shift: ±5ns to 500 ms with 5ns resolution
Maximum Number of Cards: 6
Ordering Information: 1204-18 1PPS TTL output module, BNC connector
Model 1204-18 option card rear plate
Outputs: ( 4) 1PPS output
Signal Type and Connector: 10 V (BNC)
Output Load Impedance: 50 Ω
Rise Time to 90% of Level: <30 ns
Programmable Pulse Width: 100 ns to 900 ms with 20 ns resolution
Absolute Phase Error: ±50 ns (1σ)
Programmable Phase Shift: ±5ns to 500 ms with 5ns resolution
Maximum Number of Cards: 6
Ordering Information: 1204-19 1PPS 10 V output module, BNC connector
5.2 Time and Frequency Option Cards
293