10-1
IM 704420-01E
Specifications
10
10.1 Signal Input and Trigger
Item
Specification
Number of channels
2 (1 RF input connector and 1 clock input connector)
Maximum sample rate
During D-to-C jitter measurement: 10 MS/s (100 ns interval) continuous
During 3T jitter measurement: 5 MS/s (200 ns interval) continuous
Internal jitter
*1, *2
During D-to-C jitter measurement: 400 psrms, during 3T jitter measurement: 300 psrms
RF input
Connector type
BNC
Coupling
DC (AC coupling when the equalizer is ON or when the trigger mode is set to auto mode or
auto + manual mode.)
Input impedance
1 M
Ω
, 35 pF (typical value
*3
)
Minimum input pulse width
15 ns
Maximum input voltage
DC
≤
frequency of the input signal
≤
100 kHz: 40 V (DC
±
ACpeak)
100 kHz
≤
frequency of the input signal
≤
100 MHz: {3.5/f + 5} V (DC+ACpeak), where f is a
frequency in MHz.
Input sensitivity
*1
100 mV
P-P
(200 mV
P-P
when the equalizer is ON)
Input range
When the trigger mode is set to manual mode and the equalizer is OFF: –5 V to 5 V
When the trigger mode is set to auto mode or auto + manual mode or when the equalizer is
ON: –1 V to 1 V
Trigger
Trigger mode
Select from auto mode, manual mode, and auto + manual mode.
Trigger slope
During D-to-C jitter measurement: Select from
,
, and
&
.
During 3T jitter measurement: Select from
and
.
Selectable range
When the trigger mode is set to manual mode and the equalizer is OFF: –5.000 V to 5.000 V
When the trigger mode is set to manual mode and the equalizer is ON: –1.000 to 1.000
Resolution
When the trigger mode is set to manual mode: 1 mV
When the trigger mode is set to auto + manual mode: 0.001 (equivalent to approx. 1 mV)
Accuracy
*1
(when the trigger mode is set to manual mode):
±
(4% of the specified value + 10 mV)
Clock input
Connector type
BNC
Coupling
AC
Input impedance
1 M
Ω
, 35 pF (typical value
*3
)
Maximum input voltage
DC
≤
frequency of the input signal
≤
100 kHz: 40 V (DC
±
ACpeak)
100 kHz
≤
frequency of the input signal
≤
100 MHz: {3.5/f + 5} V (DC+ACpeak), where f is a
frequency in MHz.
Input sensitivity*1
100 mV
P-P
Input range
–5 V to 5 V
Input frequency range
25 MHz to 60 MHz
Duty
45% to 55%
Trigger
Trigger level: Fixed to 0 V.
Trigger slope: Select
or
.
Phase difference (amount
Range: 0.0 ns to 40.0 ns
of delay) adjustment
*4
Resolution: 0.1 ns
Equalizer
Frequency
3.2
±
0.3 dB (the ratio of the amplitude at 5.16 MHz with respect to the amplitude at 300 kHz.)
characteristics
*1, *5
(The amount of boost of the equalizer is variable.)
Group delay characteristics
Maximum group delay deviation: 6 ns (typical value
*3
), range: 0.7 MHz
≤
f
≤
6.7 MHz
Signal that can be
8-16 modulation signal with the reference clock corresponding to 27 MHz
±
10%.
regenerated by the PLL clock
*1
*1 Measured value under standard operating conditions as described in General Specifications after the warm-up time has
elapsed.
*2 Value obtained with the equalizer turned OFF and with the trigger error and trigger level timing error excluded.
•
Trigger error
X
2
+ E
n
2
S.R
X: Signal noise (400
µ
V
rms
) within the input amplifier bandwidth (100 MHz)
En: Noise in the signal being measured
S.R: Slew rate of the signal being measured
•
Trigger level timing error
15mV
Slew rate of the start signal
15mV
Slew rate of the stop signal
–
(
Trigger level setting accuracy
Slew rate of the start signal
±
±
Trigger level setting accuracy
Slew rate of the stop signal
±
)
*3 The typical value is a representative or standard value. It is not strictly guaranteed.
*4 Phase difference (amount of delay) adjustment is only allowed on the clock signal that is applied to the clock input
connector. It cannot be applied to the clock signal that is regenerated by the built-in PLL circuit.
*5 If the frequency characteristics of the equalizer is tested using the peak value measurement function of the TA120E as
described in “Equalizer Test” in section 9.6, “Executing the Performance Test,” the value is 3.2
±
0.7 dB.
Chapter 10 Specifications
