X9251_07 INTERSIL [Intersil Corporation], X9251_07 Datasheet - Page 18

• Manufacturer Part Number: X9251_07
• Manufacturer: INTERSIL [Intersil Corporation]

Application Circuits (continued)
V
V
S
S
R
1
R
R
frequency ∝ R
amplitude ∝ R
FUNCTION GENERATOR
V
-1/2 ≤ G ≤ +1/2
V
G = - R
1
3
INVERTING AMPLIFIER
O
O
= G V
= G V
R
R
2
ATTENUATOR
4
2
/R
S
S
18
1
R
–
+
1
–
+
A
1
= R
–
+
, R
, R
R
2
B
2
2
, C
= R
3
}
}
= R
R
R
A
B
4
= 10kΩ
V
O
V
O
R
2
X9251
R
1
Z
V
V
IN
S
S
Z
IN
= R
C
EQUIVALENT L-R CIRCUIT
(R
1
2
–
+
C
R
+ s R
1
+ R
G
fc = 1/(2πRC)
C
O
3
2
FILTER
= 1 + R
) >> R
R
R
(R
1
3
1
+ R
R
2
2
1
R
+
–
/R
3
2
) C
1
1
+
–
= R
R
2
2
+ s Leq
V
O
April 13, 2007
FN8166.5