![](/html/Intersil/106617/page10.png)
“FLOATING”
SOURCE
HI-539
HI-539
rON
rON
FIGURE 8A.
V+
+
-
V-
HI-539
rON
rON
V+
+
-
1M TO 10M
POWER SUPPLY
COMMON
V-
POWER SUPPLY
COMMON
NOTE: The amplifier in Figure 8A is unusable because its bias currents cannot return to the power supply. Figure 8B shows two alternative paths
for these bias currents: either a pair of resistors, or (better) a third wire from the low side of the signal source.
FIGURE 8B.
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