Element 3: General Radiotelephone

effective 6/25/2009

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3-G-054: Resonance - Tuning Networks

3-54G1: What is an L-network?

A network consisting of an inductor and a capacitor.

A low power Wi-Fi RF network connection.

A “lossy” network.

A network formed by joining two low pass filters.



3-54G2: What is a pi-network?

A network consisting of one inductor and two capacitors or two inductors and one capacitor.

A network consisting of a capacitor, resistor and inductor.

The Phase inversion stage.

An enhanced token ring network.



3-54G3: What is the resonant frequency in an electrical circuit?

The frequency at which capacitive reactance equals inductive reactance.

The highest frequency that will pass current.

The lowest frequency that will pass current.

The frequency at which power factor is at a minimum.



3-54G4: Which three network types are commonly used to match an amplifying device to a transmission line?

L network, pi network and pi-L network.

Pi-C network, pi network and T network.

T network, M network and Z network.

L network, pi network and C network.



3-54G5: What is a pi-L network?

A network consisting of two inductors and two capacitors.

A Phase Inverter Load network.

A network with only three discrete parts.

A matching network in which all components are isolated from ground.



3-54G6: Which network provides the greatest harmonic suppression?

Pi-L network.

L network.

Pi network.

Inverse L network.





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