14579-030 (PXIe System)
10
8 Slot PXIe Backplane (23007-508)
R1.5, April 2021
3.4.1 Clock specifications
For all specifications not mentioned in the tables below refer to the PXI-1 und PXI-5 PXIe
Hardware specifications
PXI_CLK10
Maximum slot to slot time skew
500 ps
Note: PXI-5 spec specifies 1 ns
Frequency accuracy
±25 ppm max (guaranteed over the operating temperature range)
Note: PXI-5 spec specifies ±100 ppm
Maximum jitter
5 ps RMS phase jitter (10 Hz – 10 MHz range)
Duty factor
45 % to 55 %
Unloaded signal swing
3.3 V ±0.3 V
Values above valid for PXI standard products. Optimized parameters are possible on
request (Jitter
≤
2 ps, Accuracy 2 ppm, slot-to-slot skew 100 ps)
PXIe_CLK100 and PXIe_SYNC100
Maximum slot to slot time skew
80 ps
Note: PXI-5 spec specifies 200 ps
Frequency accuracy
±25 ppm max (guaranteed over the operating temperature range)
Note: PXI-5 spec specifies ±100 ppm
Maximum jitter
5 ps RMS phase jitter (10 Hz – 20 MHz range)
Duty factor
45 % to 55 %
Absolute differential voltage when each line pair is ter-
minated with a 50
load to 1.30 V (or Thevenin equiva-
lent)
500 mV to 950 mV
Values above valid for PXI standard products. Optimized parameters are possible on
request (Jitter
≤
2 ps, Accuracy 2 ppm)
External 10 MHz Reference In
Frequency
10 MHz ±50 ppm
Input amplitude
200 mV to 5 V, square wave or sine wave
Maximum jitter introduced by backplane
1 ps RMS phase jitter (10 Hz – 10 MHz range)
Rear panel BNC connector input impedance
50
±5
External 10 MHz Reference Out
Frequency accuracy
±25 ppm max.
(guaranteed over the operating temperature range)
Maximum jitter
5 ps RMS phase jitter (10 Hz – 10 MHz range)
Output amplitude
min. 1.2 Vpp square wave into 50
min. 2.9V unloaded
Output impedance
50
±5
Summary of Contents for Schroff 14579-030
Page 1: ...8 Slot PXIe System User s Manual Product Number 14579 030 Doc No 63972 388_R1 5 April 2021...
Page 4: ...14579 030 PXIe System II R1 5 April 2021...
Page 29: ...14579 030 PXIe System R1 5 April 2021 3Dimensions 25...
Page 30: ...14579 030 PXIe System 26 3Dimensions R1 5 April 2021...
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