Pendulum CNT-91 - Power (CNT-90 XL only)

Performance Check
Frequency
Amplitude
P/F
GHz
mVRMS
dBm
0.3 to 18
5
-33
18 to 20
8
-29
20 to 27
10
-27
1
27 to 40
16
-23
40 to 46²
32
-17
46 to 60²
40
-15
Table 7-12 RF input sensitivity, CNT-90XL.
Notes:
1
not CNT-90XL-27G
2
not CNT-90XL-27G | 40G
3
not CNT-90XL-27G | 40G | 46G
Manual Acquisition
(CNT-90XL only)
–
Recall the default settings and select
Freq C.
–
Connect 1 GHz, -10 dBm to Input C.
–
Check that the correct result can be read
on the display.
–
Press SETTINGS

Misc

Input C
Acq
–
Press Freq C Center and change the
default value 300 MHz to 1 GHz.
–
Press Acquisition to change Auto to
Manual.
–
Note the sign M.ACQ on the display.
–
Sweep the input frequency manually and
observe the lower and upper limits for the
capture range. They should be <925 MHz
and >1075 MHz respectively.
Power (CNT-90XL only)
Use the same test setup as in the section
Sensitivity above. Make sure the generator is
well calibrated, and connect it to the DUT
with as short a cable as possible to avoid
losses.
–
Choose Power & Volt
®
Power
®
C
from the MEAS FUNC menu.
–
Verify the data in Table 2-14.
–
Check that the auxiliary parameter
“frequency” is displayed correctly at the
same time.
Freq.
(GHz)
Power (dBm)
P/F
Appl.
Displ.
Tol.
27
-20
-20
±1
1
40
-15
-15
±2
46²
-10
-10
±2
60²
-5
-5
±3
Table 7-13 Power measurement, CNT-90XL.
Notes:
1
not CNT-90XL-27G
2
not CNT-90XL-27G | 40G
3
not CNT-90XL-27G | 40G | 46G
7-13
USER MANUAL ● CNT 9x Series ● Rev.22 February 2020