Specifications

28. Remove the BNC female to BNC female adapter and install the step
attenuator in its place, as shown in Figure 3-7. Then set the attenu
-
ation to 10 dB.
29. Verify that the difference of the Marker 1 readout and the calibrated
value of the step attenuator is within specification (refer to Ta
-
ble 3-3).
30. Set the step attenuator to other settings listed in Table 3-3 at the
end of this chapter and repeat Step 29.
31. Press the Meas key and select USER DEFINED.
32. Select:
CHANGE RATIO
b2 (Tb)
1 (UNITY)
33. Press the S21/USER 1 soft key to select USER 1.
34. Remove the connection at b1 input and re-connect to b2 input.
35. Remove the Step Attenuator from the set up.
36. Repeat Steps 24 through 30.
RECEIVER MAGNITUDE DISPLAY LINEARITY TEST (MS462XC) PERFORMANCE
TESTS
3-22 MS462XX MM
DataEntry
Power
Keyboard
Port 3
Channels
Enhancement
Stimulus
System
Port 1
Port 2
Probe Power
1
8
5
2
9
6
3
-
.
G/ns/m
M/ s/cm
m
k/ms/mm
X1
Enter
Local
Appl
Meas
Marker
Hold
Ch 1
Ch 2
Ch 4
Ch 3
Freq
Sweep
Power
Config
Seq
Cal
Avg
Utility
Hard
Copy
Default
Save/
Recall
0
7
4
Display
Clr
Print
Noise
In
Noise
+28V
NOOPERATOR SERVICE-
ABLEPARTS INSIDE.
REFERSERVICING TO
QUALIFIEDPERSONNEL.
WARNING
CAUTION
FORCONTINUED FIRE
PROTECTIONREPLACE
ONLYWITH SPECIFIED
TYPEAND RATED FUSE.
IEEE488.2
GPIB
Dedicated
GPIB
SerialPort
Ethernet
VGA
SCSI-2
Ext
Analog
Output
Ext
Trigger
LPTLine Printer
ExtI/O
ExtAnalog
In
Ext
Source
Ext10 MHz
In
47-440Hz
85-264VAC
REPLACEFUSE ONLY WITH
SAMETYPE AND RATING
CAUTION
DONOT OPERATE
WITHPOWER CORD
UNGROUNDED
N274
A1
B1
A2 B2
MS46XC Rear Panel
MS462XC Front Panel
b1 b2
Coaxial Cable
Coaxial Cable
SMA (m) to BNC (m)
Adapter
SMA (f) to BNC (m)
Adapter
Port 1
*Connect the dashed lines as directed by the procedure.
*
*
43KC-10
Attenuator
Step Attenuator
Figure 3-7. Receiver Magnitude Display Linearity Calibration Setup 3