15-1
IM 704510-01E
Specifications
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15
15
Chapter 15 Specifications
15.1 Signal Input and Trigger
Item
Specifications
Number of input channels
2 (CH A and CH B)
Input coupling
DC/AC
Input connector
BNC connector
Input impedance
50
Ω
/1 M
Ω
, 23pF (typical value
*1
)
Frequency characteristics
• When the input coupling is DC: DC to 250 MHz (typical value
*1
)
• When the input coupling is AC and
• Input impedance is 50
Ω
: 680 kHz to 250 MHz (typical value
*1
)
• Input impedance is 1 M
Ω
: 35 Hz to 250 MHz (typical value
*1
)
Internal jitter
100 ps rms
Minimum input pulse width 3 ns (2.2 ns for CH B when measuring A-to-B time interval)
Operating voltage range
–5 to 5 V
Maximum input voltage
• When the input impedance is 50
Ω
: 5 V
rms
• When the input impedance is 1 M
Ω
and
• DC
≤
input frequency
≤
100 kHz: 40 V (DC+AC
peak
)
• 100 kHz
≤
input frequency
≤
100 MHz: {3.5/f+5} V (DC+AC
peak
), where f is the frequency in MHz
• Overvoltage category: I and II
Input sensitivity
*2
100 mV
p-p
Input amplifier noise
400
µ
V
rms
(typical value
*1
)
Cross talk when using the dual measurement function
*3
–40 dB (typical value
*1
)
Trigger
• Trigger mode: Select from single auto trigger, repeat auto trigger, and manual trigger.
• Trigger level (when using manual trigger)
• Selectable range: –5 to 5 V
• Accuracy
*4
:
±
(10 mV + 1% of the specified value)
• Resolution: 1 mV
• Trigger level (when using single auto trigger or repeat auto trigger)
• Selectable range: 0% to 100%
• Resolution: 1%
• Input condition when using single auto trigger or repeat auto trigger: Continuous signal between 1
kHz and 50 MHz
• Setup time of single auto trigger and repeat auto trigger: 0.7 s (typical value
*1
)
Phase Adjustment
Function used to adjust the phase difference of CH B with respect to CH A when measuring A-to-B
time interval, period A & A-to-B time interval, or pulse width A & A-to-B time interval
Selectable range: 0 to 10.0 ns (resolution: 0.1 ns)
Sampling
• Sampling mode: Select from time stamp mode, hardware histogram mode, and inter-symbol
interference analysis mode
• Maximum sample rate
When using the single measurement function
*5
: 80 MS/s continuous (12.5 ns interval)
When using the dual measurement function
*3
: 50 MS/s continuous (20 ns interval)
• Maximum sample size (maximum number of data points)
• When in time stamp mode or inter-symbol interference analysis mode: 1,024,000
(512,000 when using the dual measurement function
*3
)
• When in hardware histogram mode: 10
9
• Sampling interval (setting only when using the single measurement function*
5
in time stamp mode)
0
µ
s to 1 s (resolution: 1
µ
s)
Maximum sample rate when 0
µ
s is selected
• Longest sampling time
When in time stamp mode or inter-symbol interference analysis mode: 320 s (time from when
arming is activated)
When in hardware histogram mode: 3200 s (time from when arming is activated)
Update rate
*1
400 ms (hardware histogram mode)
Update rate when the sampling size (event size) is 1000 and period of a 1-MHz sine wave is measured.
*1 Typical value represents a typical or average value. It is not strictly warranted.
*2 Measured value under standard operating conditions with input coupling set to DC and input impedance set to 50
Ω
after
the warm-up time has elapsed.
*3 Period A & period B, period A & A-to-B time interval, pulse width A & A-to-B time interval, pulse width A & pulse width B,
pulse width A
→
A-to-B time interval, or pulse width A
→
pulse width B measurement.
*4 Measured value under standard operating conditions with input coupling set to DC and input impedance set to 1 M
Ω
after
the warm-up time has elapsed.
*5 Period, A-to-B time interval, or pulse width measurement.
