Agilent Technologies 4284A Service Manual page 38

2 Alligator clips to 1 Dual
LO Input to A3TP4
Hi Input to A3TP6
Banana Plug Test Lead
HP 4284A
MULTIMETER
I I 1
Figure 2-8. Sense Amplifier DC Offset Adjustment Setup
A3 Board
TP4 R 3 5 3 T P 6
(ERR) ( S E N S E AMP VOS ADJ) (EDUT)
0 0 0
0
A3 30ARD
Figure 2-9. Sense Amplifier DC Offset Adjustment Location
6. Adjust A3R353 (SENSE AMP VOS ADJ), until the multimeter reads 0 ±10 mV.
Figure 2-9 shows the location of A3R353.
slu9Nlm
2-15