HP 4284A - Page 197

a. Move the cursor to the FUNC eld. The Current measurement
function, C
p
-D, is displayed in this eld, and
NNNNNNNNNNNNNN
Cp-D ,
NNNNNNNNNNNNNN
Cp-Q ,
NNNNNNNNNNNNNN
Cp-G ,
NNNNNNNNNNNNNNNNN
Cp-Rp and
NNNNNNNNNNNNNNNNNNNNNNNNNN
more 1/6 are displayed.
b.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNN
more 1/6 .
NNNNNNNNNNNNNN
Cs-D ,
NNNNNNNNNNNNNN
Cs-Q ,
NNNNNNNNNNNNNNNNN
Cs-Rs and
NNNNNNNNNNNNNNNNNNNNNNNNNN
more 2/6 will be
displayed.
c.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNN
more 2/6 .
NNNNNNNNNNNNNN
Lp-D ,
NNNNNNNNNNNNNN
Lp-Q ,
NNNNNNNNNNNNNN
Lp-G ,
NNNNNNNNNNNNNNNNN
Lp-Rp and
NNNNNNNNNNNNNNNNNNNNNNNNNN
more 3/6
will be displayed.
d.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNN
more 3/6 .
NNNNNNNNNNNNNN
Ls-D ,
NNNNNNNNNNNNNN
Ls-Q ,
NNNNNNNNNNNNNNNNN
Ls-Rs and
NNNNNNNNNNNNNNNNNNNNNNNNNN
more 4/6 will be
displayed.
e.
Press
NNNNNNNNNNNNNNNNN
Ls-Rs to select the L
s
-R
s
measurement function.
f. Move the cursor to the FREQ eld. The current measurement
frequency, 1.00000kHz , will b e displayed in this eld.
g. Press 4
1
5 , 4
0
5 , 4
0
5 . 100 will be displayed on the system message
line, and the softkey lab els will change to the available units
(
NNNNNNNN
Hz ,
NNNNNNNNNNN
kHz , and
NNNNNNNNNNN
MHz ). Press
NNNNNNNNNNN
kHz . 100.000 kHz is displayed on
the FREQ eld.
Note
FREQ can be changed using
NNNNNNNNNNNNNN
INCR and
NNNNNNNNNNNNNN
DECR displayed when the
CURSOR is moved to the FREQ eld.
h. Move the cursor to the LEVEL eld. The current test signal
level, 1.00V , will b e displayed in this eld.
i. Press 4
1
5 , and 4
0
5 . 10 will be displayed on the system message
line, and the softkey lab els are c
hanged to the available units
(
NNNNNNNN
mV ,
NNNNN
V ,
NNNNNNNN
 A ,
NNNNNNNN
mA and
NNNNN
A ). Press
NNNNNNNN
mA . 10.0mA is displayed on
the LEVEL eld.
Note
These measurement conditions can also b e set from the
MEAS
SETUP page displayed when 4
MEAS SETUP
5 is pressed. The setting
operation on the MEAS SETUP page is same as in the preceding
steps (a) to (i).
j. Press 4
MEAS SETUP
5 . The MEAS SETUP page is displayed.
k. Move the CURSOR to the ALC eld. The current status of
the ALC function, OFF, is displayed on this eld, and
NNNNNNNN
ON and
NNNNNNNNNNN
OFF are displayed.
l.
Press
NNNNNNNN
ON to set the test signal current level to be constant.
3. Connect the test xture to the HP 4284A.
The HP 16047A Direct Couple Test Fixture (general purpose) is
used for this measurement.
Connect the HP 16047A to the HP 4284A's UNKNO
WN
terminals, as shown in Figure 6-23.
6-28 Measurement Procedure and Examples