HP 4395A - Page 47

2. Initialize the spectrum analyzer, and perform the FREQ ZERO calibration in accordance with
the spectrum analyzer manual.
3. On the spectrum analyzer, set the controls as follows:
Controls Settings
Reference Level +10 dBm
4. Press 4
Meas
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ANALYZER TYPE ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
NETWORK ANALYZER , 4
Preset
5 to initialize the HP 4395A. Then
set the controls as follows:
Control Settings Key Strokes
Frequency Span: 0 Hz
4
Span
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ZERO SPAN
Source Power: +10 dBm
4
Source
5 ,
NNNNNNNNNNNNNNNNN
POWER , 4
1
5 , 4
0
5 , 4
x1
5
5. |Harmonics Test|
a. On the HP 4395A, press 4
Center
5 , 4
1
5 , 4
0
5 , 4
k/m
5 to set the center frequency to the rst
center frequency listed in the rst column of Table 2-6 . Table 2-6 lists test frequencies.
Table 2-6. Harmonics Test Settings
HP 4395A
Center Frequency
Spectrum Analyzer
2nd Harmonics 3rd Harmonics Frequency RBW
Frequency Frequency Span
10 kHz 20 kHz 30 kHz 1 kHz 30 Hz
500 kHz 1 MHz 1.5 MHz 1 kHz 30 Hz
10 MHz 20 MHz 30 MHz 1 kHz 30 Hz
100 MHz 200 MHz 300 MHz 1 kHz 30 Hz
250 MHz 500 MHz 750 MHz 1 kHz 30 Hz
500 MHz 1.0 GHz 1.5 GHz 1 kHz 30 Hz
b. On the spectrum analyzer, perform the following steps to measure the second and third
harmonic level of the rst test frequency 10 kHz.
i. Set the HP 8566A/B center frequency to the same value as the HP 4395A center
frequency.
ii. Set the HP 8566A/B frequency span and RBW in accordance with Table 2-6.
iii. Press 4
SINGLE
5 to make a sweep.Wait for the completion of the sweep.
iv. Press 4
PEAK SEARCH
5 , 4
1
5 to move the marker to the peak of the fundamental signal
and to place the delta maker reference at the peak.
v. Set the HP 8566A/B center frequency to the second harmonics frequency listed in
the second column of Table 2-6.
vi. Press 4
SINGLE
5 to make a sweep.Wait for the completion of the sweep.
vii. Press 4
PEAK SEARCH
5 to move the marker to the peak of the second harmonic.
viii. Record the delta marker reading in the calculation sheet (\Delta Marker Reading"
column).
ix. Set the HP 8566A/B center frequency to the third harmonics frequency listed in the
third column of Table 2-6 .
x. Press 4
SINGLE
5 to make a sweep.Wait for the completion of the sweep.
xi. Press 4
PEAK SEARCH
5 to move the marker to the peak of the third harmonic.
xii. Record the delta marker reading in the calculation sheet (\Delta Marker Reading"
column).
c. Change the measurement setting in accordance with T
able 2-6 and repeat step 5-b for
each frequency.
Performance Tests 2-15