Agilent Technologies 8564EC Service Manual page 97

Manual Adjustment Procedures
2. IF Amplitude Adjustments
A5 Adjustment Verification
21.On the spectrum analyzer, disconnect W29 from A5J3. Connect the
test cable between A5J3 and the 50Ω output of the 3335A.
22.Set the spectrum analyzer reference level to −10 dBm.
23.Set the 3335A
AMPLITUDE
24.Press and
MKR MARKER NORMAL
25.The MARKER amplitude should read −10 dBm ±0.13 dB. If the
reading is outside of this range, repeat steps 4 through 21.
26.On the spectrum analyzer, reconnect W29 to A5J3. Press
and set the controls as follows:
Center frequency ..................................................... 300 MHz
Span ................................................................................. 0 Hz
Reference level ......................................................... −10 dBm
Resolution bandwidth .............................................. 300 kHz
27.Connect a BNC cable between the 8563E CAL OUTPUT and
INPUT 50Ω .
28.On the spectrum analyzer, press
29.Use the knob or step keys to adjust the REF LEVEL CAL setting
until the MKR reads −10.00 dBm ±0.1 dB.
30.On the spectrum analyzer, press
120
to −5 dBm.
on the spectrum analyzer.
and
MKR CAL REF LVL ADJ
STORE REF LVL
PRESET
.
.
Chapter 3