D C Bias Level Adjustment - Agilent Technologies 4284A Service Manual

2-10. DC BIAS LEVEL ADJUSTMENT (OPTION 001 ONLY)
This adjustment updates the EEPROM Calibration Data to set the DC bias voltage. T h e
adjustment program is necessary to perform this adjustment.
EQUIPMENT:
Computer
Multimeter
H P-IB Cable
Interface Box
BNC(m) to BNC(m) Cable ( 30 cm )
BNC(f) to Dual Banana Plug Adapter
PROCEDURE:
1. Display t h e adjustment program's main menu, referring t o paragraph 2-7-
2. INITIAL OPERATING PROCEDURE.
2. Press the Adj.1' softkey to select the DC Bias Level Adjustment.
When the computer cannot access the HP 3458A, the HP-IB address
registration display appears. E n t e r the HP 3458A's HP-lB address
using the numeric keys and the 'Enter' softkey.
3. Perform the adjustment according t o the program's instruction. Figure 2-10
shows the adjustment setup.
MULTIMETER
0 0 0 0 0
0
0 0 0 0
0
0 M C C O D O
O 0 0 0 0
= 0 0 0 1:3
NOTE
BNC(f)-dual banana
/ p l u g Adapter
a
0 0
O
0 0
O
0 0
f I
BNC(m)-BNC(m)
Cable (30
Figure 2-10. DC Bias Level Adjustment Setup
2-16
HP 9826A
HP 3458A
HP 10833A
HP PN 04284-65007
HP PN 8120-1838
HP PN 1251-2277
HP 4284A
0 0 0 0 E 7 = 1 0
O
0 0 0
O
0 0 0
O
0 0 0 0
O
0
0 0 0
I N T E R F A C E BOX
' j N
DC BIAS T E S T SIGNAL
0