MC34071,2,4,A MC33071,2,4,A
Figure 61. High Impedance Differential Amplifier
+
MC34074
–
R
RE
R
–
MC34074
+
R
R
–
MC34074
VO
+
R
R
Example:
Let: R = RE = 12 k
Then: AV = 3.0
BW = 1.5 MHz
R
AV =
1+2
RE
Figure 62. Dual Voltage Doubler
220 pF
100 k
+10
–
MC34074
+
–10
RL +VO –VO
∞ 18.93 –18.78
10 k 18
–18
5.0 k 15.4 –15.4
100 k
100 k
+
MC34074
+
–
10
+
+
MC34074
–
10
+VO
+
RL
10
+
RL
10
–VO
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