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NE567 Datasheet

  • NE567

  • Tone decoder/phase-locked loop

  • 166.51KB

  • 13頁

  • PHILIPS

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Philips Semiconductors Linear Products
Product specification
Tone decoder/phase-locked loop
NE/SE567
DESCRIPTION
The NE/SE567 tone and frequency decoder is a highly stable
phase-locked loop with synchronous AM lock detection and power
output circuitry. Its primary function is to drive a load whenever a
sustained frequency within its detection band is present at the
self-biased input. The bandwidth center frequency and output delay
are independently determined by means of four external
components.
PIN CONFIGURATIONS
FE, D, N Packages
OUTPUT FILTER
CAPACITOR C3
LOW-PASS FILTER
CAPACITOR C2
INPUT
SUPPLY VOLTAGE V+
1
2
3
4
TOP VIEW
8
7
6
5
OUTPUT
GROUND
TIMING
ELEMENTS R1
AND C1
TIMING ELEMENT R1
FEATURES
鈥?/div>
Wide frequency range (.01Hz to 500kHz)
鈥?/div>
High stability of center frequency
鈥?/div>
Independently controllable bandwidth (up to 14%)
鈥?/div>
High out-band signal and noise rejection
鈥?/div>
Logic-compatible output with 100mA current sinking capability
鈥?/div>
Inherent immunity to false signals
鈥?/div>
Frequency adjustment over a 20-to-1 range with an external
resistor
F Package
OUTPUT
1
C3
2
NC
3
C2
4
INPUT
5
NC
6
V
CC
7
TOP VIEW
14
GND
13
NC
12
NC
11
R1C1
10
R1
9
8
NC
NC
鈥?/div>
Military processing available
APPLICATIONS
鈥?/div>
Touch-Tone廬 decoding
鈥?/div>
Carrier current remote controls
鈥?/div>
Ultrasonic controls (remote TV, etc.)
鈥?/div>
Communications paging
BLOCK DIAGRAM
4
鈥?/div>
Frequency monitoring and control
鈥?/div>
Wireless intercom
鈥?/div>
Precision oscillator
R
2
3.9k
INPUT
V1
3
PHASE
DETECTOR
2
R
1
5
6
CURRENT
CONTROLLED
OSCILLATOR
R
3
+
QUADRATURE
PHASE
DETECTOR
鈥?/div>
V
REF
AMP
8
AMP
C
1
LOOP
LOW
PASS
FILTER
C
2
R
L
+V
7
C
3
OUTPUT
FILTER
1
廬Touch-Tone
is a registered trademark of AT&T.
April 15, 1992
403
853-0124 06456

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