Podcast
Questions and Answers
What is the total circuit attenuation when all four attenuators are switched 'in'?
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?
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?
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?
Which of the following equations represents the pad derived filter equation R2?
In the context of attenuation using attenuator networks, what does k represent?
In the context of attenuation using attenuator networks, what does k represent?
If a network impedance simultaneously terminates all input and output transducers with equal impedance, what type of impedance is it?
If a network impedance simultaneously terminates all input and output transducers with equal impedance, what type of impedance is it?
What type of attenuation adjustment does the circuit provide, ranging from 0dB to 15dB in 1dB steps?
What type of attenuation adjustment does the circuit provide, ranging from 0dB to 15dB in 1dB steps?
Which switches need to be connected to achieve an attenuation of -3dB in the circuit?
Which switches need to be connected to achieve an attenuation of -3dB in the circuit?
What is the formula for deriving characteristic impedance ZO using ZOT?
What is the formula for deriving characteristic impedance ZO using ZOT?
What does dB represent in the equation k = 10dB/20 for current and voltages?
What does dB represent in the equation k = 10dB/20 for current and voltages?
