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PDF ZXF103 Data sheet ( Hoja de datos )
| Número de pieza | ZXF103 | |
| Descripción | VARIABLE Q FILTER | |
| Fabricantes | Zetex Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ZXF103 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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VARIABLE Q FILTER
ZXF103
DESCRIPTION
The ZXF103 is a versatile analog high Q bandpass filter. It can be configured to provide pass or notch
characteristics.
The basic filter section requires 2 resistors and 2 capacitors to set the centre frequency. The frequency range is up
to 600kHz. Two external resistors control filter Q Factor. The Q can be varied up to 50.
APPLICATIONS
Many filter applications including: -
• Sonar and Ultrasonic Systems
• Line frequency notch
• Signalling
• Motion detection
• Instrumentation
• Low frequency telemetry
FEATURES AND BENEFITS
• Centre Frequency up to 1MHz
• Variable Q up to 50
• Low distortion
• Low noise
• Low power 25mW
• Devices easily cascaded
• Small QSOP16 package
ORDERING INFORMATION
PART NUMBER
PACKAGE
ZXF103Q16
QSOP16
SYSTEM DIAGRAM
RC
RC
Filter Input
ZXF103
R Q SET
PART
MARK
ZXF103
Filter Output
PART NUMBER
ZXF103Q16TA
ZXF103Q16TC
CONTAINER
Reel 7”
178mm
Reel 13”
330mm
INCREMENT
500
2500
PINOUT
1
R2
0V
RC2
BIAS
RC1
0V
C1
FI1
16
GP1
Vcc
GP3
GP2
NC
Vcc
FO
FI2
ISSUE 1 - APRIL 2002
1
1 page  
Filter Configurations and Responses (Continued)
Inverse Notch Filter (with attenuating skirts)
ZXF103
AC Filter Performance
30
20
10
0
-10
-20
10K
100K
1M
Frequency (Hz)
10M
-90
-180
-270
-360
-450
-540
10K
100K
1M
Frequency (Hz)
10M
ISSUE 1 - APRIL 2002
5
1
Fo = 2 πRC
where R=R1=R2
and C=C1=C2
R4
Q ∝ R3
where R1,R2,R3 and R4 ജ2kΩ
and C1 and C2 ജ 50pF
See “Designing for a value of Q”
for more details.
The skirt ‘roll off’ away from the
peak is -20dB/Decade regardless
of chosed Q.
Typical responses from the
circuit with component values
derived from the diagram.
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet ZXF103.PDF ] | |
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