Thursday 16 July 2015

Hardware Board Design Interview Questions- Part 5


71. How charge pumps will work? 

72. How VCO works? 

73. What are the VOH, VOL, VIH, and VIL for the CMOS, TTL, LVPECL, LVDS, and SSTL? 

74. What are the ADC types? 

75. Explain sampling theorem? 

76. What are the two conditions to sustain the oscillation? 

77. What is AC coupling? 

78. Why would you want to have AC-coupled signal?  

79. What is the skew? 

80. What is the slew rate? 

81. What is ground bounce and VCC sag? 

82. Draw CMOS and TTL circuitry? 

83. How to avoid the cross talk? 

84. What is SRAM and DRAM? What is the difference? 

85.  How FLASH memory works? 

86. What are the types of the flash? and comparison? 

87.  What is EEPROM? How it is differ from the flash? 

88. What is cache memory? 

89. How to select the heat sink for the design or for the chip? 

90. What is voltage sequencing? Why it is required?  


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