HP 8340B Manual page 76

4-16. FM ACCURACY AND FLATNESS (Cont'd)
SPECTRUM ANALYZER
Procedure
1. Refer to Figure 4-21, FM Flatness Setup. Connect the test equipment as shown. Connect the
output of the HP 8447F to the SO Ohm input of the HP 3585A. The HP 3585A should not be
connected to the mixer at this time.
2. Press [INSTRPRESET] on the DUT and set up as follows:
Sweep Mode:
Frequency:
PEAK
Leveling:
Power Out:
Set the HP 355D step attenuator to 30 dB.
HP 8340B/41B
~
CONNECTEO ONLY
to
IN STEPS
THROUGH t3
CONNECTED ONLY
IN STEPS B
/
THROUGH 9
Figure 4-21. FM Flatness Setup
CW
GHz
2.2
ON
INT
+6 dBm
ADAPTER
APC—3.5(n)
MIXER to
APC—3.5(m)
0000
O
aaaaa
~u 0000
a ~
0000
~a:~aaa
Co
0000
u~
O ~ 0 ~ 0
ooa
00000
FM'
AMS
:
Performance Tests 4-79