TB 9-6625-2182-24
Table 7. Output Level Flatness
Start frequency
Stop frequency
Calculated flatness
Maximum limit
(dB)
(Hz)
(Hz)
(dB)
100 k
450 M
1.5
550 M
950 M
2
1200 M
2000 M
2.5
(6) Press RF OFF/ON pushbutton to OFF.
b. Adjustments. No adjustments can be made.
12. Attenuation
a. Performance Check
(1) Press TI pushbuttons as listed in (a) through (c) below:
(a) INSTR PRESET.
(b) ENTRY AMPD.
(c) DATA - 0dBm.
(2) Set measuring receiver with sensor module to measure Tuned RF power with
0.01 db resolution.
(3) Set measuring receiver to Zero reference.
(4) Press TI ENTRY AMPTD pushbutton and enter DATA amplitude for each
row in table 8. Using measuring receiver and tuned RF level power measurement
techniques measuring receiver will indicate within limits specified.
NOTE
RECAL (CALIBRATE) as necessary.
Table 8. Attenuator at 100 MHz
Measuring receiver indications
Test instrument
DATA
(dBm)
amplitude
(dBm)
Min
Max
-10
-8
-12
-20
-18
-22
-30
-28
-32
-40
-38
-42
-50
-48
-52
-60
-58
-62
-70
-68
-72
-80
-78
-82
-90
-88
-92
-100
-98
-102
-110
-108
-112
(5) Press RF OFF/ON pushbutton to OFF.
(6) Disconnect measuring receiver from TI OUTPUT RF.
b. Adjustments. No adjustments can be made.