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6. Resolution
Bandwidth
Switching
Uncertainty Test
Related Adjustments
Specification
Description
Equipment
Procedure
2 - 1 8 P e r f o r m a n c e T e s t s
(For instruments with Option 462, refer to Chapter 4.)
3 MHz Bandwidth Filter Adjustments
21.4 MHz Bandwidth Filter Adjustments Down/Up Converter
Adjustments
(uncorrected; referenced to 1 MHz bandwidth; 20 - 30°C after 1 hour
warm-up) k2.0 dB, 10 Hz bandwidth
fl.O dB, 3 MHz bandwidth 30 kHz and 100 kHz bandwidth switching
uncertainty figures only applicable 190% Relative Humidity
The CAL OUTPUT signal is applied to the input of the spectrum
analyzer. The deviation in peak amplitude of the signal trace is then
measured as each resolution bandwidth filter is switched in.
None Required
1. Press
2 .
Connect CAL OUTPUT to SIGNAL INPUT 2.
3 .
Key in the following control settings:
(
FREQUENCY)
CENTER
[
E
U E N C Y SPAN]
F R
Q
REFERENCE LEVEL]
4 .
Press LOG
(
ENTER
5 .
Press m,@J
6 .
Key in settings according to Table 2-10. Press MARKER
at each setting, then read the amplitude deviation
[
]
PEAK SEARCH
from the MARKER A readout at the upper right of the display (see
Figure 2-8). The allowable deviation for each resolution bandwidth
setting is shown in the table.
MHz
MHz
1
MHz
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