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Appendix A: Specifications
CSA8000B & TDS8000B User Manual
A-5
Table A- 3:
System - Trigger (cont.)
Description Characteristics
External direct trigger
metastability
Metastability Reject on: Zero, typical
External direct trigger
real time accessory
interface
Tekprobe-SMA, Levels 1 and 2. Hot switching is permitted on this real
time accessory interface.
External prescaled
trigger capabilities
Prescaled triggering on signal applied to dedicated front panel
connector with Holdoff, Auto/Normal, Metastability Reject On/Off.
External prescaled trigger specifications apply only under the condition
that no other trigger source is applied to respective connectors.
Short term optimized mode and locked to internal 10 MHz reference
specifications only apply under the condition that there is no external
10 MHz reference applied to the front panel connector.
External prescaled
trigger input charac-
teristics
50 Ω AC coupled input resistance; divide-by-eight prescaler ratio, fixed
level zero volts
External prescaled
trigger absolute maxi-
mum input
±2.5 Vpp
n External prescaled The limits are as follows:
p
trigger sensitivi ty
Frequency range Sensitivity
2-3 GHz 800 mV
pp
3
1
0
G
H
z
6
0
0
m
V
3-10
G
H
z 600 m
V
pp
External prescaled
t
r
i
g
g
e
r
s
e
n
s
i
t
i
v
i
t
y
(
t
y
p
Frequency range Sensitivity
trigger sensiti
v
it
y
(t
y
p-
ical)
10-12.5 GHz
1000 mV
pp
,typical
n External prescaled
trigger delay jitter,
Short term optimized
mode maximum
1.3 ps R MS + 10 ppm of horizontal position, or better
External prescaled
trigger delay jitter,
Short term optimized
mode (Typical)
0.9 ps R MS + 5 ppm of horizontal position, typical
n External prescaled
delay jitter, locked t o
internal 10 MHz refer-
ence mode maximum
2.5 ps R MS + 0.04 ppm of horizontal position, or better
External prescaled
delay jitter, locked t o
internal 10 MHz refer-
ence mode (Typical)
1.6 ps R MS + 0.01 ppm of horizontal position, typical
External prescaled
trigger metastability
Enhanced Triggering, Met astability Reject on: Zero, typical