OPA660 Burr-Brown, OPA660 Datasheet - Page 16

• Manufacturer Part Number: OPA660
• Description: Wide Bandwidth OPERATIONAL TRANSCONDUCTANCE AMPLIFIER AND BUFFER
• Manufacturer: Burr-Brown

FIGURE 22. Signal Envelope Detector (Full-Wave Rectifier).
FIGURE 23. Direct-Feedback Amplifier.
V
I
1µF
V
I
100
®
R
20k
1
OPA660
100
3
6.4pF
82
C
R
B
P
P
5
C
E
8
OTA
2
+5V
–5V
4
+1
7
X
+
E
Offset Trim
1
1.2k
6
5k
100
R
390
R
180
3
5
120
12k
R
–
2
3
3
5
I
Q
= 20mA
+1
8
8
2
2
OTA
IN6263
IN6263
220
6
V
O
16
200
390
33pF
R
220
220
68
4
R
+V
–V
6
O
O
Network
Analyzer
290
100
50
R
IN
3
5
+5V
–5V
4
+1
7
OTA
G =
100mV
300mV
700mV
1.2k
1.4V
2.5V
V
R
6
8
2
O
5
R
2
+
3
2 • g
+ R
180
1
10
5
m
331MHz
362MHz
520MHz
552MHz
490MHz
f
= 1 +
–3dB
2R
R
3
5
15nF
V
O
INT