Agilent Technologies 4395A, Service Manual

Page: 83 / 343

Active Channel: CH 1 4 Ch 1 5
Data Math: D A T A+MEM
4 Displa y 5,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DATA MATH [xxx] ,
NNNNNNNNNNNNNNNNNNNNNNNNNN
DATA+MEM ,
NNNNNNNNNNNNNN
GAIN , 4 . 5, 4 5 5,
4 x1 5
Auto Scale
4 Scale Ref 5,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AUTO SCALE
Active Channel: CH 2 4
Ch 2
5
Data Math: D A T A+MEM
4
Displa y
5,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DATA MATH [xxx] ,
NNNNNNNNNNNNNNNNNNNNNNNNNN
DATA+MEM ,
NNNNNNNNNNNNNN
GAIN , 4
.
5, 4
5
5,
4 x1 5
Auto Scale
4 Scale Ref 5,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AUTO SCALE
Press 4
Ch 1
5, 4
Search
5,
NNNNNNNNNNN
MAX and 4
Search
5,
NNNNNNNNNNN
MIN to mov e the c hannel 1 marker to the maximum
and minimum p oints on the trace. Compare the absolute v alues at the maximum and
minimum p oints.
Record the larger v alue in the p erformance test record (\T est Result" column for A/R
magnitude ratio).
Press 4
Ch 2
5, 4
Ma rk er !
5,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
MKR !STOP , 4
Cal
5,
NNNNNNNNNNNNNN
MORE ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ELECTRICAL DELAY MENU ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
MKR !DELAY ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ELECTRICAL DELAY . Then press 4 * 5 or 4 + 5 and turn the RPG knob to v ary the electrical
dela y un til the trace is in the most horizontal p osition.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PHASE OFFSET and en ter the trace mean v alue using n umeric k eys. The trace mean
v alue is display ed as a marker statistic (mean) in the upp er right-hand corner of the display .
Press 4 Search 5,
NNNNNNNNNNN
MAX and 4 Search 5,
NNNNNNNNNNN
MIN to mov e the c hannel 2 marker to the maximum and
minimum p oints on the trace. Compare the absolute v alues at the maximum and minimum
p oints.
Record the larger v alue in the p erformance test record (\T est Result" column for A/R
phase).
P erformance T ests 2-49