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SL1466 Datasheet(PDF) 1 Page - Mitel Networks Corporation |
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SL1466 Datasheet(HTML) 1 Page - Mitel Networks Corporation |
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1 / 16 page  FEATURES s Single chip PLL system for wideband FM demodulation s Simple low component count application s Fully balanced low radiation design s High operating input sensitivity s 2 stage AGC detect for control over internal and external AGC stages s Low distortion video output drive s Video polarity invert s Digital AFC with window adjust s ESD protection (Normal ESD handling procedures should be observed) ORDERING INFORMATION SL1466/KG/QP1S Fig.1 Pin connections - top view The SL1466 is a wideband PLL FM demodulator, intended primarily for application in satellite tuners. The device contains all elements necessary, with the exception of external local oscillator tank and loop filter components, to form a complete PLL system operating at 403 or 480MHz. An AFC system is provided, whose output signals can be used to correct for any frequency drift at the head end local oscillator. APPLICATIONS s Satellite receiver systems s Data communications systems Fig. 2 Block diagram 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 VCC VIDEO FB+ VIDEO + VIDEO – VIDEO FB– IF V CC IF IPB IF GND AGC TIME CONSTANT IF AGC SET RF AGC SET NC RF AGC CONTROL GND DIGF LO DIGF HI AFC SET AFC WINDOW OSC VCC OSC + OSC – OSC GND VCO GAIN SET VIDEO DRIVE VIDEO POL SELECT NC NC QP28 IF IP AGC AMP IF IP NC NC RF AGC CONTROL NC AGC DETECT RF AGC SET AGC TIME CONST LO TANK VCO GAIN SET DIGF HI DIGF LO AFC WINDOW AFC SET VIDEO POLARITY VIDEO DRIVE VIDEO FB– VIDEO – VIDEO + VIDEO FB+ S/H AFC IF IPB 21 22 13 16 15 Vcc GND 28 1 14 17 18 IF AGC SET 19 7 8 10 27 26 25 24 11 12 4 5 2 3 PHASE DETECTOR REF ON CHIP VCO SELECT SL1466 Wideband PLL FM Demodulator Preliminary Information DS 3979 2.2 August 1997 |
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Similar Description - SL1466 |
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