Questions: Circuit design

 

 

 

 

 

 

 

Question no. 1

Which of the following is not used as a technique to deal with electrostatic overstress?
Possible answers Choose

Answer A is:

Answer B is:

Answer C is:

Answer D is:

Review: Transient protection, digital immunity

Question no. 2

You need to reduce the amplitude of 50MHz clock harmonics produced on a tightly-packed processor PCB. What technique will be your first choice?
Possible answers Choose

Answer A is:

Answer B is:

Answer C is:

Answer D is:

Review: Digital clocks

Question no. 3

For a circuit with a microcontroller and a short range radio receiver at 433.92MHz, you have the option of using the following digital decoupling techniques at the micro VCC terminal. Which do you choose? (The capacitor data gives the impedance curves as shown opposite)

Possible answers Choose

Answer A is:

Answer B is:

Answer C is:

Answer D is:

Review: Decoupling

Question no. 4

A high frequency balanced data communication circuit requires which of these characteristics, to minimise RF emissions?
Possible answers Choose

Answer A is:

Answer B is:

Answer C is:

Answer D is:

Review: Balanced interfaces

Question no. 5

A watchdog is:
Possible answers Choose

Answer A is:

Answer B is:

Answer C is:

Answer D is:

Review: Digital immunity