Agilent Technologies 8753ES Option 011 Service Manual page 312

Service Key Menus and Error Messages
Service Key Menus
Table 10-12 Analog In Menu Keys
Key
FRAC N
DIV FRAC N
Analog Bus Nodes
The following paragraphs describe the 31 analog bus nodes. The nodes are listed in
numerical order and are grouped by assembly. Refer to the "Overall Block Diagram" in
Chapter 4 , "Start Troubleshooting Here"
A3 Source To observe six of the eight A3 analog bus nodes (not node 5 or 8), perform step
A3 to set up a power sweep on the analog bus. Then follow the node specific instructions.
Step A3: Press
Preset
ANALOG IN
Format
SWEEP TYPE MENU
10-22
GPIB
Mnemonic
N/A Switches the counter to monitor the A14 fractional-N VCO
frequency at the node shown on the "Overall Block Diagram,"
Chapter 4 , "Start Troubleshooting Here."
in
N/A Switches the counter to monitor the A14 fractional-N VCO
frequency after it has been divided down to 100 kHz for phase
locking the VCO.
for node locations.
SERVICE MENU
System
MORE REAL
Sweep Setup
POWER SWEEP
Start
Description
ANALOG BUS ON
CW FREQ
3
−15
x1 Stop 10
Meas
G/n
.
x1
Chapter 10