Pendulum CNT-90 - Calibration; Definition of Terms; General Specifications; Environmental Data

Specifications
Input and Output
Specifications
Inputs A and B
Alternative data within parentheses refer to
input attenuator setting x10.
Frequency Range
DC-coupled:
DC - 400 MHz
AC-coupled:
10 Hz-400 MHz
Coupling:
AC or DC
Rise Time:
Approx. 700 ps
Impedance:
1 M /25 pF or 50 
(VSWR

2:1)
Trigger Slope:
Positive or negative
Channels:
Separate A & B
Max. Channel
Timing
Difference:
500 ps
Hysteresis
Window:
Approx. 30 (300) mVp-p
Residual Hyster-
esis after Com-
pensation:
5 (50) mV (DC - 10 kHz)
Sensitivity
DC - 200 MHz:
15 mVrms
200 - 300 MHz:
25 mV
rms
300 - 400 MHz:
35 mVrms
Auto Trig:
35 mVrms
Attenuation:
x1, x10
Dynamic Range
(x1):
30 mVp-p to 10 Vp-p
within ±5 V window
Trigger Level
Read-out on display
Resolution:
1 (10) mV
Uncertainty:
±15 (150) m V ± 1% of trigger
level
Auto trig:
Automatically set to 50% of
input signal (10% and
90% for rise/fall time).
Relative level (in %) manually
adjustable when necessary.
Auto Hysteresis
Time Meas. :
Minimum hysteresis window
(+compensation)
Freq. Meas. &
Per. Avg.:
70 % and 30 % of input
signal. Minimum hysteresis
window if arming on A or B is
activated.
Freq. Range:
up to 300 MHz
Analog Noise
Reduction Filter:
Nom. 100 kHz, RC type
Digital LP Filter:
1 Hz - 50 MHz using trigger
hold-off
Trigger Indicators:
LED
Max. Voltage w/o
Damage
1 M
350 V (DC+ AC pk ) @ D C
to 440 Hz, falling to 12 VRMS
(x1) and 120 VRMS (x10) @ 1
MHz
50 
12 VRMS
Connector:
BNC
Input C (Option 10)
Freq. Range:
100 MHz - 3.0 GHz
Prescaler Factor:
16
Operating Input
Voltage Range
100 - 300 MHz:
20 mVrms - 1 2 V rms
0.3 - 2.5 GHz:
1 0 m V rms - 1 2 V rms
2.5 - 2.7 GHz:
20 mVrms - 1 2 V rms
2.7-3.0 GHz
40 mVrms -12 Vrms
8-35
USER MANUAL ● CNT 9x Series ● Rev.22 February 2020