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PDF AN1512 Data sheet ( Hoja de datos )
| Número de pieza | AN1512 | |
| Descripción | All in one NE5230 | |
| Fabricantes | Philips | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AN1512 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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INTEGRATED CIRCUITS
www.DataSheet4U.com
AN1512
All-in-one: NE5230
Philips
Semiconductors
1991 Dec
1 page  
Philips Semiconductors
All in one: NE5230
Application note
AN1512
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INPUT
+VCC
1k 10k 1.2M
0.01µF
0.0047µF
–
NE5230
+
10k
-VCC
2k
3kHz-
26kHz
+VCC
10k 1.5M
0.047µF
0.047µF
–
NE5230
+
10k
-VCC
2k
0.5kHz-
7.6kHz
+VCC
+
NE5230
–
-VCC
10k
1k
OUTPUT
NOTES:
All resistors in Ω
All capacitors in µF
0.006µF
10k 10k
0.006µF
+VCC
–
NE5230
+
-VCC
2k
DC-1kHz
Figure 7. Audio Equalizer
MIDBAND FREQUENCY
The midband frequencies can be selected as described earlier. The
upper frequency of this band can be determined by connecting a
resistor from Pin 5 to Pin 4. The value of this resistor can be
determined by using the graph shown as Figure 6. The lower end of
this frequency is selected by using a second-order high-pass filter
with the upper band suppression done by using the bias adjust pin.
The lower end frequency was chosen to be about 500Hz and the
upper band was selected to be about 7.6kHz.
The midband frequencies can be selected as described earlier. The
upper frequency of this band can be determined by connecting a
resistor from Pin 5 to Pin 4. The value of this resistor can be
determined by using the graph shown as Figure 6. The lower end of
this frequency is selected by using a second-order high-pass filter
with the upper band suppression done by using the bias adjust pin.
The lower end frequency was chosen to be about 500Hz and the
upper band was selected to be about 7.6kHz.
SL00910
1991 Dec
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet AN1512.PDF ] | |
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