Pendulum CNT-91R User Manual

Performance Check
CAUTION: Three similar but
incompatible coaxial connector
standards are used in the CNT-90XL,
depending on the frequency range.
Do not mix them up, as abuse might
damage the connectors and cause
u
nexpected results. See the
specificati
ons in Chapter 8 of the
User’s Manual.
Frequency
Amplitude
P/F
M H z
mVRMS
dBm
100-300
20
-21
300-2500
10
-27
2500-2700
20
-21
2700-3000
40
-15
Sensitivity
Table 7-8 RF input sensitivity, 3 GHz Option.
To verify the specifications of the different
RF prescalers (CNT-90 & CNT-91) or
Microwave Converters (CNT-90XL-xxG)
use the following basic test setup:
– Connect the output of a signal generator
covering the specified frequency range to
the RF input (C) of the counter.
–
Connect the 10 MHz REF OUT from the
Frequency
Amplitude
P/F
MHz
mVRMS
dBm
300-500
20
-21
500-3000
10
-27
3000-4500
20
-21
4500-6000
40
-15
6000-8000
80
-9
generator to the EXT REF IN on the rear
Table 7-9 RF input sensitivity, 8 GHz Option.
panel of the counter.
–
Choose Meas Ref from the SETTINGS
menu and select External.
–
Choose Freq C from the MEAS FUNC
menu.
Frequency
Amplitude
P/F
GHz
mVRMS
dBm
0.25 to 0.5
20
-21
0.5 to 15
10
-27
Table 7-10 RF input sensitivity, 14 GHz Option.
– Generate a sine wave in accordance with
the data in the relevant table (Table 2-9,
Table 2-13, Table 2-12, Table 2-11 and
Table 2-10).
– Verify that the counter is counting
correctly. (The last digits will be unstable).
Frequency
Amplitude
P/F
GHz
mVRMS
dBm
0.25 to 0.5
20
-21
0.5 to 17
10
-27
17 to 20
20
-21
Table 7-11 RF input sensitivity, 20 GHz Option.
7-12
USER MANUAL ● CNT 9x Series ● Rev.22 February 2020

Pendulum CNT-91R Specifications

General

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