J2 Output - Rate Out Or Programmable Pulse Output; J3 Input - Auxiliary Reference Or Frequency Measurement - Symmetricom XLi User Manual

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J2 Output – Rate Out or Programmable Pulse Output
Rate:
1
Duty cycle:
Amplitude (TTL):
Quantity:
Connector:
Factory Configuration:
The Programmable Pulse Output (PPO) option (part number 87-8024) generates a precisely
synchronized trigger pulse at an arbitrary time and with arbitrary pulse width in integer multiples of 1 μS.
The start and stop edges of the PPO can be programmed with 1 μS resolution.
Pulse Width:
Start:
Stop:
Amplitude:
Accuracy
See "F111 – J2 Output (Rate, PPO)" on page 142.
J3 Input – Auxiliary Reference or Frequency Measurement
Auxiliary Reference (Aux Ref):
Frequency:
Amplitude:
Amplitude:
Impedance:
SNR:
Quantity:
Connector:
Factory Configuration:
10
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1 PPS, 10 PPS, 100 PPS, 1 kPPS, 10 kPPS, 100 kPPS, 1 MPPS, 5
MPPS, 10 MPPS, PPO (if PPO option is installed)
40-60% ± 10%
TTL Levels into 50 Ω
1
Female BNC
The Rate Output is default 10 MPPS
Programmable in 1 μS steps
Rising
Falling
TTL levels into 50 Ω
"System Time & Frequency Accuracy" on page 6
Refer to
1, 5, 10 MHz
1 Vp-p to 10 Vp-p at 1 kΩ to ground
1 Vp-p to 3 Vp-p at 50 Ω to ground
Configurable 1 kΩ or 50 Ω to ground
>20db
1
Female BNC
Disabled
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XLi Time & Frequency System
XLi-man, Issue 8, 6/17/2008, Rev. H
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