Quadrac Semiconductor Device Quiz

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Questions and Answers

What is the total circuit attenuation when all four attenuators are switched 'in'?

  • 60dB
  • 30dB
  • 0dB
  • 15dB (correct)

If an attenuation of -8dB is required, which switches need to be connected in the circuit?

  • SW2 and SW3
  • SW1 and SW4
  • SW2 and SW4 (correct)
  • SW1 and SW2

What is the formula for characteristic impedance ZO?

  • $\frac{ZSC}{ZOC}$
  • $ZSC + ZOC$
  • $ZSC - ZOC$
  • $\sqrt{ZSC \cdot ZOC}$ (correct)

Which of the following equations represents the pad derived filter equation R2?

<p>$ZO \cdot [1/(k - 1)]$ (C)</p> Signup and view all the answers

In the context of attenuation using attenuator networks, what does k represent?

<p>Ratio between input and output power (B)</p> Signup and view all the answers

If a network impedance simultaneously terminates all input and output transducers with equal impedance, what type of impedance is it?

<p>Image impedance (B)</p> Signup and view all the answers

What type of attenuation adjustment does the circuit provide, ranging from 0dB to 15dB in 1dB steps?

<p>Step adjustment (A)</p> Signup and view all the answers

Which switches need to be connected to achieve an attenuation of -3dB in the circuit?

<p>SW1 and SW3 (A)</p> Signup and view all the answers

What is the formula for deriving characteristic impedance ZO using ZOT?

<p>$ZO \cdot [(k^2 - 1)/k]$ (A)</p> Signup and view all the answers

What does dB represent in the equation k = 10dB/20 for current and voltages?

<p>Power ratio factor (C)</p> Signup and view all the answers

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