E7C - Practical Circuits
Extra Class
Filters: types, responses, filter design, active filters
11 questions
How are the capacitors and inductors of a low-pass filter Pi-network arranged between the network’s input and output?
What is the frequency response of a T-network with series capacitors and a shunt inductor?
What is the purpose of adding an inductor to a Pi-network to create a Pi-L-network?
How does an impedance-matching circuit transform a complex impedance to a resistive impedance?
Which filter type has ripple in the passband and a sharp cutoff?
What are the characteristics of an elliptical filter?
Which describes a Pi-L network?
Which of the following is most frequently used as a band-pass or notch filter in VHF and UHF transceivers?
What is a crystal lattice filter?
Which of the following filters is used in a 2-meter band repeater duplexer?
Which of the following measures a filter’s ability to reject signals in adjacent channels?