Harmonics Performance
Test
Harmonics
Performance
Tkst
Connect the Test
Equipment
ptest3.dm
Spectrum
Analyzer
I
HP
8647A
under
test
Configure the
Spectrum Analyzer
Configure the
Hp
86478
Measure Harmonic
Levels
Figure
8-8.
Harmonics Equipment Setup
1.
Frequency span:
500
kHz
2.
Res BW:
10
kHz
3.
Video BW: 30
kHz
1.
Turn the RF output on; press
I-].
2.
Turn the modulation
off
press
[MOD
ONIOFF].
I
1.
Measure the level of the 2nd,
3rd,
and 1/2 harmonics shown in the
test record.
2. Convert the harmonic level to decibels below the fundamental
(dBc) and compare the results to the corresponding limits.
8-14
Performance
Tests