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Philips - Tone decoder/phase-locked loop

Numéro de référence SE567
Description Tone decoder/phase-locked loop
Fabricant Philips 
Logo Philips 





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SE567 fiche technique
Philips Semiconductors Linear Products
Tone decoder/phase-locked loop
Product specification
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.
FEATURES
Wide frequency range (.01Hz to 500kHz)
High stability of center frequency
Independently controllable bandwidth (up to 14%)
High out-band signal and noise rejection
Logic-compatible output with 100mA current sinking capability
Inherent immunity to false signals
Frequency adjustment over a 20-to-1 range with an external
resistor
Military processing available
APPLICATIONS
Touch-Tone® decoding
Carrier current remote controls
Ultrasonic controls (remote TV, etc.)
Communications paging
PIN CONFIGURATIONS
FE, D, N Packages
OUTPUT FILTER
CAPACITOR C3
LOW-PASS FILTER
CAPACITOR C2
INPUT
SUPPLY VOLTAGE V+
1
2
3
4
8 OUTPUT
7 GROUND
6
TIMING
ELEMENTS R1
AND C1
5 TIMING ELEMENT R1
TOP VIEW
F Package
OUTPUT 1
C3 2
NC 3
C2 4
INPUT 5
NC 6
VCC 7
14 GND
13 NC
12 NC
11 R1C1
10 R1
9 NC
8 NC
TOP VIEW
Frequency monitoring and control
Wireless intercom
Precision oscillator
BLOCK DIAGRAM
INPUT
V1
3 PHASE
DETECTOR
4
R2
3.9k
2
R1 5
6
C1
CURRENT
CONTROLLED
OSCILLATOR
QUADRATURE
PHASE
DETECTOR
AMP
R3
VREF
+
– AMP
®Touch-Tone is a registered trademark of AT&T.
71
C3 OUTPUT
FILTER
LOOP
LOW
PASS
FILTER
C2
8
RL
+V
April 15, 1992
403 853-0124 06456

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