HP 4284A - Page 194

3. Connect the test xture to the HP 4284A.
The HP 16047A Direct Couple Test Fixture (general purp ose) is
used for this measurement.
Connect the HP 16047A to the HP 4284A's UNKNOWN
terminals, as shown in Figure 6-19 .
Figure CONNECT-FIXTURE here.
Figure 6-19. Connecting the HP 16047A
4. Perform the correction.
To comp ensate for the HP 16047A's residuals and strays, an
OPEN/SHORT correction is required.
a. Leave the HP 16047A in an OPEN condition as sho
wn in
Figure 6-17.
b.
Press 4
MEAS SETUP
5 , and
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CORRECTION . The CORRECTION
page will now b e displayed.
c.
Move the cursor to the OPEN eld.
NNNNNNNN
ON ,
NNNNNNNNNNN
OFF and
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
MEAS OPEN
will be displayed.
d.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
MEAS OPEN to p erform the OPEN correction data
measurement. Wait until the message OPEN measurement
completed. is displayed on the system message line.
e.
Press
NNNNNNNN
ON to set the OPEN correction function to ON.
f. Connect a shorting bar to the HP 16047A to set up the
SHORT condition as shown in Figure 6-20.
Measurement Procedure and Examples 6-25