51. what is the frequency range for the ISM band?
52. What is the need for snubber circuit?
53. How do you sense the current flowing through a circuit?
54. what is the minimum requirement for the bndwidth of oscilloscope to measure 10MHz signal?
55. What is the functionality of watchdog timer in microcontroller?
56. Define return loss and insertion loss?
57. How is controlled impedancfe ensured in PCBs? 58. Define a 4-layer stack up.
59. What is the difference between microprocessor, FPGA, ASIC?
60. What is the ideal value of CMRR in operational amplifiers?
61. Define wetting current.
62. Define nyquist theorom.
63. What does the IEC61000-4-2 standard define?
64. What does 8/20us transient mean in transient testing?
65. Define line and load regulation?
66. How do you control inrush current in circuits?
67. what is the type of diode used for voltage regulation?
68. what happens to the PNP transistor when base voltage is greater than Supply voltage + Base-to-emitter voltage?
69. what is the difference between enhancement and depletion mode mosfet?
70. How do you decide the copper thickness on PCB?
71. What is the relation between junction temprature of an IC, ambient temeprature, power dissipation.
72. What are the various EDA tools you have worked on?
73. What are some of the tips to ensure best probing during oscilloscope measurements?
74. What is PSRR and how is it useful in circuit designs?
75. What is the use of MOV in circuits?
76. What is the need for common mode chokes in circuits?
77. What is the type of battery to be used in the applications where more charge density is required?
78. What is the different classe sof PCB used in the industry?
79. What is the standards in Wi-Fi signalling?
80. what are the best layout techniques for mounting chip antenna?
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