TB 9-6625-2339-24
Table 15. Resolution Bandwidth Switching Uncertainty
Test instrument1
Mkr1 indication (dB)
RES BW
SPAN
Min
Max
3 kHz
10 kHz
-0.3
0.3
9 kHz
50 kHz
-0.3
0.3
10 kHz
50 kHz
-0.3
0.3
30 kHz
100 kHz
-0.3
0.3
100 kHz
500 kHz
-0.3
0.3
120 kHz
500 kHz
-0.3
0.3
300 kHz
1 MHz
-0.3
0.3
1 MHz
5 MHz
-0.3
0.3
3 MHz
10 MHz
-0.3
0.3
5 MHz
25 MHz
-0.6
0.6
2
300
Hz
1 kHz
-0.3
0.3
Hz2
200
1 kHz
-0.3
0.3
2
100
Hz
500
Hz
-0.3
0.3
2
30
Hz
100
Hz
-0.3
0.3
Hz2
10
100
Hz
-0.3
0.3
2
3
Hz
100
Hz
-0.3
0.3
2
1
Hz
100
Hz
-0.3
0.3
1Signal may need to be re-centered due to drift when using narrow frequency span settings.
2Perform for all models except E4407B.
(9) Disconnect equipment setup.
b. Adjustments. None.
15. Absolute Amplitude Accuracy
a. Performance Check
(1) Connect TI AMPTD REF OUT to RF INPUT 50.
(2) Press TI keys as listed in (a) through (l) below:
(a) Preset.
(b) [Factory Preset] (if it is displayed).
(c) System, [Alignments].
(d) [Align Now], [All] (wait for alignment to finish).
(e) ◄Return, [Auto Align], [Off].
(f) FREQUENCY, [Center Freq], 5, 0, [MHz].
(g) SPAN, 2 [kHz].
(h) BW/Avg, [Res BW] (Man), 1, [kHz].
(i) [Video BW Man], 1, [kHz].
(j) Sweep, [Points 401], Enter.
(k) Amplitude, [Ref Level], 2, 0, [dBm], [Attenuation] (Man), 1, 0, [dB],
[Scale Type] (Log).
(l) [More], [Y Axis Units] (or Amptd Units), [Volts], Det/Demod,
[Detector], [Sample], ◄Return.
(3) Disconnect TI AMPTD REF OUT from RF INPUT 50.
(4) Connect RF reference source leveling head to TI RF INPUT 50.