4-16.
FM ACCURACY AND FLATNESS (Cont'd)
ADAPTER
APC-3.5(m)
MIXER
to
APC-3.5(Bl)
Figure 4-21.
FM
Flatness Setup
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 50 Ohm input of the HP
3585A. The HP 3585A
should not be
connected to the mixer at this time.
2.
Press [INSTR PRESET]
on the
DUT
and set up as follows:
Sweep Mode:
CW
Frequency:
2.2 GHz
PEAK
ON
Leveling:
INT
Power
Out:
+6
dBm
Set the
HP
355D
step attenuator to
30
dB.
HP 8340B/41B
Performance Tests