se5230 ON Semiconductor, se5230 Datasheet - Page 14

• Manufacturer Part Number: se5230
• Description: Low Voltage Operational Amplifier
• Manufacturer: ON Semiconductor

configuration at the output of the halfïwave rectifier, a
fullïwave can be realized. The values for the input and
feedback resistors must be chosen so that each peak will
have equal amplitudes. A table for calculating values is
included in Figure 12. The summing network combines the
input signal at the halfïwave and adds it to double the
halfïwave’s output, resulting in the fullïwave. The output
By adding another NE5230 in an inverting summer
Figure 12. Adding an Inverting Summer to the Input and Output of the HalfïWave will Result in FullïWave
NOTES:
R2 = 2 R1
R4 = R5 = R3
+V
For single supply operation V
can be grounded on A2.
+V
ïV
B
IN
IN
will vary output reference.
a
b
+V
ïV
IN
IN
EE
a
ï2V
R1
IN
0
b
NE5230, SA5230, SE5230
3
2
2a
+
ï
HALF-WAVE
http://onsemi.com
A
1
4
7
R2
5
14
V
HALF-WAVE
6
FULL-WAVE
EE
waveform can be referenced to the supply or ground,
depending on the halfïwave configuration. Again, no
diodes are needed to achieve the rectification.
transducer to convert a received AC output signal into a DC
level at the fullïwave output for meters or chart recorders
that need DC levels.
OUTPUT
OUTPUT
INPUT
This circuit could be used in conjunction with the remote
R3
R4
+V
B
2
500mV
3
ï
+
500mV
A
V
V
2
CC
EE
R5
4
7
5
6
500mV
+V
+V
IN
B
FULL-WAVE
a
520ms
b