Transcription of CHAPTER 12: PRINTED CIRCUIT BOARD (PCB) …
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PRINTER CIRCUIT BOARD ISSUES CHAPTER 12: PRINTED CIRCUIT BOARD (PCB) DESIGN ISSUES INTRODUCTION SECTION : partitioning SECTION : TRACES RESISTANCE OF CONDUCTORS VOLTAGE DROP IN SIGNAL LEADS "KELVIN FEEDBACK" SIGNAL RETURN CURRENTS GROUND NOISE AND GROUND LOOPS GROUND ISOLATION TECHNIQUES STATIC PCB EFFECTS SAMPLE MINIDIP AND SOIC OP AMP PCB GUARD LAYOUTS DYNAMIC PCB EFFECTS INDUCTANCE STRAY INDUCTANCE MUTUAL INDUCTANCE PARASITIC EFFECTS IN INDUCTORS Q OR "QUALITY FACTORS" DON'T OVERLOOK ANYTHING STRAY CAPACITANCE CAPACITATIVE NOISE AND FARADAY SHIELDS BUFFERING ADCs AGAINST LOGIC NOISE HIGH CIRCUIT IMPEDANCES ARE SUSCEPTIBLE TO NOISE PICKUP SKIN EFFECT TRANSMISSION LINES DESIGN PCBs THOUGHTFULLY
PRINTED CIRCUIT BOARD ISSUES PARTITIONING 12-3 SECTION 1: PARTITIONING Any subsystem or circuit layout operating at high frequency and/or high precision with both analog and digital signals should like to have those signals physically separated as
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