Pendulum CNT-91R User Manual

Specifications
Input and Output
Specifications
Inputs A and B
Alternative data within parentheses refer to
input attenuator setting x10.
Frequency
Range
DC-coupled:
AC-coupled:
Coupling:
Rise Time:
Impedance:
Trigger Slope:
Channels:
Max. Channel
Timing
Difference:
Hysteresis
Window:
Residual Hyster-
esis after Com-
p
ensation:
Sensitivity
DC - 200 MHz:
200 - 300 MHz:
Auto Trig:
Attenuation:
Dynamic Range
(x1):
Trigger Level
Resolution:
Uncertainty:
Auto trig:
Auto Hysteresis
Time Meas. :
Freq. Meas. &
Per. Avg.:
DC - 400 MHz
10 Hz - 400 MHz
AC or
DC
Approx. 700 ps
1 M /25 pF or 50 
(VSWR 2:1)
Positive or negative
Separate A & B
500 ps
Approx. 30 (300) mVp-p
5 (50) mV (DC - 10 kHz)
15 mV
rms
25 mVrms
35 mVrms
x1, x10
30 mVp-p to 10 Vp-p within ±5
V window
Read-out on display
1 (10) mV
±15 (150) m V ± 0.6% of trigger
level
Automatically set to 50% of
input signal (10% and 90% for
rise/fall time). Relative level (in
%) manually adjustable when
necessary. Minimum
hysteresis window
(+compensation)
70 % and 30 % of input signal.
Minimum hysteresis window if
arming on A or B is activated.
Freq. Range:
Analog Noise
Reduction Filter:
Digital LP Filter:
Trigger
Indicators:
Max. Voltage
w/o Damage
1 M

50 
Connector:
Input C
Freq. Range:
Prescaler Factor:
Operating Input
Voltage Range
100 - 300 MHz:
0.3-2.5 GHz:
2.5-2.7 GHz:
2.7-3.0 GHz
Amplitude
Modulation
DC - 0.1 MHz
Modulation
Frequency:
0 . 1 - 6 MHz
Modulation
Frequency:
Impedance:
up to 300 MHz
Nom. 100 kHz, RC type
1 Hz - 50 MHz using trigger
hold-off
LED
350 V (DC+ AC
pk
) @ D C
to 440 Hz, falling to 12 V
RMS
(x1) and 120 VRMS (x10) @ 1
MHz
12 V
RMS
BNC
100 MHz - 3.0 GHz
16
20 mVrms- 1 2 V rms
1 0 m V rms- 1 2 V rms
20 mVrms- 1 2 V rms
40 mVrms -12 Vrms
Up to 94% depth
Up to 85% depth
Min. signal must exceed
min. oper. input voltage
50

nom. AC-coupled
VSWR <2.5:1
8-51
USER MANUAL ● CNT 9x Series ● Rev.22 February 2020

Pendulum CNT-91R Specifications

General

Brand	Pendulum
Model	CNT-91R
Category	Measuring Instruments
Language	English