Lab 5 TF EIM: Difference between revisions

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LC Resonance circuits
LC Resonance circuits
=The LC cicuit=
=The LC cicuit=
#Design a parallel LC resonant circuit with a resonant frequency between 50-200 kHz.
[[File:TF_EIM_Lab5_LC.png| 200 px]]
#Design a '''parallel''' LC resonant circuit with a resonant frequency between 50-200 kHz.  use <math>L</math> = 10 - 100 <math>\mu H</math>, R = 1k <math>\Omega</math> .
#Construct the LC circuit using a non-polar capacitor
#Construct the LC circuit using a non-polar capacitor
#Measure <math>\frac{V_{out}{V_{in}}</math> as a function of frequency.
#Measure the Gain <math>\equiv \frac{V_{out}}{V_{in}}</math> as a function of frequency. (25 pnts)
#Measure the ratio when you insert an external resistance approximately equal to the inherent resistance of the rf choke <math>R_{L}</math>.
#Compare the measured and theoretical values of the resonance frequency (<math>\omega_{L}</math>) (10 pnts)


=The LRC cicuit=
==Questions==
 
#What is the bandwidth of the above circuit? (5 pnts)
 
=The RLC cicuit=
[[File:TF_EIM_Lab5_RLC.png| 200 px]]
#Design and construct a '''series''' LRC circuit.
#Measure and Graph the Gain as a function of the oscillating input voltage frequency. (25 pnts)
#Measure and Graph the Phase Shift as a function of the oscillating input voltage frequency. (25 pnts)
==Questions==
#What is the current <math>I</math> at resonance? (5 pnts)
#What is the current as <math>\nu \rightarrow \infty</math>? (5 pnts)
 
 
[[Forest_Electronic_Instrumentation_and_Measurement]]

Latest revision as of 23:41, 3 February 2011

LC Resonance circuits

The LC cicuit

  1. Design a parallel LC resonant circuit with a resonant frequency between 50-200 kHz. use [math]\displaystyle{ L }[/math] = 10 - 100 [math]\displaystyle{ \mu H }[/math], R = 1k [math]\displaystyle{ \Omega }[/math] .
  2. Construct the LC circuit using a non-polar capacitor
  3. Measure the Gain [math]\displaystyle{ \equiv \frac{V_{out}}{V_{in}} }[/math] as a function of frequency. (25 pnts)
  4. Compare the measured and theoretical values of the resonance frequency ([math]\displaystyle{ \omega_{L} }[/math]) (10 pnts)

Questions

  1. What is the bandwidth of the above circuit? (5 pnts)

The RLC cicuit

  1. Design and construct a series LRC circuit.
  2. Measure and Graph the Gain as a function of the oscillating input voltage frequency. (25 pnts)
  3. Measure and Graph the Phase Shift as a function of the oscillating input voltage frequency. (25 pnts)

Questions

  1. What is the current [math]\displaystyle{ I }[/math] at resonance? (5 pnts)
  2. What is the current as [math]\displaystyle{ \nu \rightarrow \infty }[/math]? (5 pnts)


Forest_Electronic_Instrumentation_and_Measurement