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SL1452 Scheda tecnica(PDF) 2 Page - Zarlink Semiconductor Inc |
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SL1452 Scheda tecnica(HTML) 2 Page - Zarlink Semiconductor Inc |
2 / 8 page With a minimum of external components, the SL1452 forms a complete wideband FM detector suitable for use in satellite TV. The video output and bandwidth may be optimised by adjustment of the working Q of the quadrature coil. FEATURES s High Operating Frequency Simplifies Image Filtering s Negligible Differential Gain and Phase Errors s Video Bandwidth Suitable for High Definition TV s High Sensitivity and Wide Dynamic Range s Wide Operating Frequency Range: 300 to 1000 MHz s Electrostatic Protection* * Normal ESD handling precautions should be observed ORDERING INFORMATION SL1452 NA DP (8-lead plastic DIL package) SL1452 NA MP (8-lead miniature plastic DIL package) SL1452 WIDEBAND LINEAR FM DETECTOR FOR SATELLITE TV 2029-2·1 ABSOLUTE MAXIMUM RATINGS Operating temperature range Supply voltage, pin 6 Input voltage, pin 7 or 8 Storage temperature Junction temperature 2 10 °C to180°C 7V 2·5V p-p 2 55 °C to 1150°C 1 175 °C Fig. 2 Block diagram INPUT REF 8 7 INPUT SIGNAL INPUT AMPLIFIER 1k 1k 2k 2k 70p 4 4 DEMODULATOR 3 2 QUADRATURE DEMODULATOR COMPONENTS VIDEO AMPLIFIER 5 VIDEO OUTPUT 6 VCC 1 0V 4 0V 2p 2p Fig. 1 Pin connections - top view (not to scale) 0V DEMODULATOR COIL DEMODULATOR COIL 0V INPUT SIGNAL INPUT REF VCC VIDEO OUTPUT 1 2 3 4 8 7 6 5 1 2 3 4 8 7 6 5 SL1452 SL1452 0V DEMODULATOR COIL DEMODULATOR COIL 0V INPUT SIGNAL INPUT REF VCC VIDEO OUTPUT DP8 MP8 ADVANCE INFORMATION |
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