Lab 2 RS - Revision history

Shaproma: Blanked the page

2011-01-23T06:27:18Z

Blanked the page

Shaproma: /* 1-50 kHz filter (20 pnts) */

2011-01-21T16:59:17Z

1-50 kHz filter (20 pnts)

Shaproma: /* 1-50 kHz filter (20 pnts) */

2011-01-21T16:57:30Z

1-50 kHz filter (20 pnts)

Shaproma: /* 1-50 kHz filter (20 pnts) */

2011-01-21T16:57:11Z

1-50 kHz filter (20 pnts)

Shaproma: /* 1-50 kHz filter (20 pnts) */

2011-01-21T16:54:34Z

1-50 kHz filter (20 pnts)

Shaproma: /* 1-50 kHz filter (20 pnts) */

2011-01-21T16:54:01Z

1-50 kHz filter (20 pnts)

Shaproma: /* phase shift (10 pnts) */

2011-01-21T16:43:25Z

phase shift (10 pnts)

Shaproma at 16:41, 21 January 2011

2011-01-21T16:41:45Z

Shaproma at 16:40, 21 January 2011

2011-01-21T16:40:25Z

Shaproma at 16:39, 21 January 2011

2011-01-21T16:39:57Z

← Older revision		Revision as of 06:27, 23 January 2011
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−	~~[https://wiki.iac.isu.edu/index.php/Electronics_RS Go Back to All Lab Reports]~~

−
−	~~;RC Low-pass filter~~
−
−	~~= 1-50 kHz filter (20 pnts)=~~
−	1. Design a low-pass RC filter with a break point between 1-50 kHz. The break point is the frequency at which the filter starts to attenuate the AC signal. For a Low pass filter, AC signals with a frequency above 1-50 kHz will start to be attenuated (not passed).
−
−	~~:To design low-pass RC filter I had:~~
−
−	~~<math>R=15\ \Omega</math>~~
−	~~<math>R=10\ pF</math>~~
−
−	~~:The break point (cut off ) frequency is <math>\omega_b = \frac{1}{RC} =</math>~~
−
−	~~2. Now construct the circuit using a non-polar capacitor.~~
−
−	~~[[File:TF_EIM_Lab3.png \| 400 px]]~~
−
−	~~3. Use a sinusoidal variable frequency oscillator to provide an input voltage to your filter.~~
−
−	~~4. Measure the input <math>(V_{in})</math> and output <math>(V_{out})</math> voltages for at least 8 different frequencies<math> (\nu)</math> which span the frequency range from 1 Hz to 1 MHz.~~
−
−	~~{\| border="3" cellpadding="20" cellspacing="0"~~
−	~~\|<math>\nu</math> \|\|<math>V_{in}</math> \|\| <math>V_{out}</math> \|\| <math>\frac{V_{out}}{V_{in}}</math>~~
−	\|-
−	~~\| Hz \|\| Volts \|\| Volts \|\|~~
−	\|-
−	~~\| \|\| \|\| \|\|~~
−	\|-
−	~~\| \|\| \|\| \|\|~~
−	\|-
−	~~\| \|\| \|\| \|\|~~
−	\|-
−	~~\| \|\| \|\| \|\|~~
−	\|-
−	~~\| \|\| \|\| \|\|~~
−	\|-
−	~~\| \|\| \|\| \|\|~~
−	\|-
−	~~\| \|\| \|\| \|\|~~
−	\|-
−	~~\| \|\| \|\| \|\|~~
−	\|-
−	\|}
−
−	~~5. Graph the <math>\log \left(\frac{V_{out}}{V_{in}} \right)</math> -vs- <math>\log (\nu)</math>~~
−
−	~~=phase shift (10 pnts)=~~
−	#measure the phase shift between <math>V_{in}</math> and <math>V_{out}</math> as a function of frequency <math>\nu</math>. Hint: you could use <math> V_{in}</math> as an external trigger and measure the time until <math>V_{out}</math> reaches a max on the scope <math>(\sin(\omega t + \phi) = \sin\left ( \omega\left [t + \frac{\phi}{\omega}\right]\right )= \sin\left ( \omega\left [t + \delta t \right] \right ))</math>.
−
−	~~=Questions=~~
−
−	~~#compare the theoretical and experimentally measured break frequencies. (5 pnts)~~
−	#Calculate and expression for <math>\frac{V_{out}}{ V_{in}}</math> as a function of <math>\nu</math>, <math>R</math>, and <math>C</math>. The Gain is defined as the ratio of <math>V_{out}</math> to <math>V_{in}</math>.(5 pnts)
−	~~#Sketch the phasor diagram for <math>V_{in}</math>,<math> V_{out}</math>, <math>V_{R}</math>, and <math>V_{C}</math>. Put the current <math>I</math> along the real voltage axis. (30 pnts)~~
−	~~#Compare the theoretical and experimental value for the phase shift <math>\theta</math>. (5 pnts)~~
−	~~# what is the phase shift <math>\theta</math> for a DC input and a very-high frequency input?(5 pnts)~~
−	~~# calculate and expression for the phase shift <math>\theta</math> as a function of <math>\nu</math>, <math>R</math>, <math>C</math> and graph <math>\theta</math> -vs <math>\nu</math>. (20 pnts)~~
−
−
−	~~[[Forest_Electronic_Instrumentation_and_Measurement]]~~
−
−	~~[https://wiki.iac.isu.edu/index.php/Electronics_RS Go Back to All Lab Reports]~~

@@ Line 9: / Line 9: @@
 :To design low-pass RC filter I had:
-  <math>R=15\ \omega m</math>
+  <math>R=15\ \Omega</math>
   <math>R=10\ pF</math>

@@ Line 9: / Line 9: @@
 :To design low-pass RC filter I had:
-  <math>R=15/ /omega m</math>
+  <math>R=15\ \omega m</math>
-  <math>R=10/ pF</math>
+  <math>R=10\ pF</math>
 :The break point (cut off ) frequency is <math>\omega_b = \frac{1}{RC} =</math>

@@ Line 7: / Line 7: @@
 . Design a low-pass RC filter with a break point between 1-50 kHz.  The break point is the frequency at which the filter starts to attenuate the AC signal.  For a Low pass filter, AC signals with a frequency above 1-50 kHz will start to be attenuated (not passed).
-:The break point (cut off ) frequency is <math>\omega_b = \frac{1}{RC} </math>
+:To design low-pass RC filter I had:
 . Now construct the circuit using a non-polar capacitor.

@@ Line 7: / Line 7: @@
 . Design a low-pass RC filter with a break point between 1-50 kHz.  The break point is the frequency at which the filter starts to attenuate the AC signal.  For a Low pass filter, AC signals with a frequency above 1-50 kHz will start to be attenuated (not passed).
-:The break point (cut off ) frequency is <math>\omega_b = \frac{1}{RC} =</math> break point (cut off ) frequency
+:The break point (cut off ) frequency is <math>\omega_b = \frac{1}{RC} </math>
 . Now construct the circuit using a non-polar capacitor.

@@ Line 41: / Line 41: @@
 =phase shift (10 pnts)=
-#measure the phase shift between <math>V_{in}</math> and <math>V_{out}</math> as a function of frequency <math>\nu</math>.  Hint: you could use<math> V_{in}</math> as an external trigger and measure the time until <math>V_{out}</math> reaches a max on the scope <math>(\sin(\omega t + \phi) = \sin\left ( \omega\left [t + \frac{\phi}{\omega}\right]\right )= \sin\left ( \omega\left [t + \delta t \right] \right ))</math>.
+#measure the phase shift between <math>V_{in}</math> and <math>V_{out}</math> as a function of frequency <math>\nu</math>.  Hint: you could use <math> V_{in}</math> as an external trigger and measure the time until <math>V_{out}</math> reaches a max on the scope <math>(\sin(\omega t + \phi) = \sin\left ( \omega\left [t + \frac{\phi}{\omega}\right]\right )= \sin\left ( \omega\left [t + \delta t \right] \right ))</math>.
 =Questions=

@@ Line 5: / Line 5: @@
 = 1-50 kHz filter (20 pnts)=
-# Design a low-pass RC filter with a break point between 1-50 kHz.  The break point is the frequency at which the filter starts to attenuate the AC signal.  For a Low pass filter, AC signals with a frequency above 1-50 kHz will start to be attenuated (not passed).
+. Design a low-pass RC filter with a break point between 1-50 kHz.  The break point is the frequency at which the filter starts to attenuate the AC signal.  For a Low pass filter, AC signals with a frequency above 1-50 kHz will start to be attenuated (not passed).
-# Now construct the circuit using a non-polar capacitor.
+. Now construct the circuit using a non-polar capacitor.
 [[File:TF_EIM_Lab3.png | 400 px]]
-#use a sinusoidal variable frequency oscillator to provide an input voltage to your filter.
+. Use a sinusoidal variable frequency oscillator to provide an input voltage to your filter.
-#Measure the input <math>(V_{in})</math> and output <math>(V_{out})</math> voltages for at least 8 different frequencies<math> (\nu)</math>  which span the frequency range from 1 Hz to 1 MHz.
+. Measure the input <math>(V_{in})</math> and output <math>(V_{out})</math> voltages for at least 8 different frequencies<math> (\nu)</math>  which span the frequency range from 1 Hz to 1 MHz.
 {| border="3"  cellpadding="20" cellspacing="0"
@@ Line 38: / Line 38: @@
 |}
-#Graph the <math>\log \left(\frac{V_{out}}{V_{in}} \right)</math> -vs- <math>\log (\nu)</math>
+. Graph the <math>\log \left(\frac{V_{out}}{V_{in}} \right)</math> -vs- <math>\log (\nu)</math>
 =phase shift (10 pnts)=

@@ Line 1: / Line 1: @@
 [https://wiki.iac.isu.edu/index.php/Electronics_RS Go Back to All Lab Reports]
 ;RC Low-pass filter
 = 1-50 kHz filter (20 pnts)=
-#Design a low-pass RC filter with a break point between 1-50 kHz.  The break point is the frequency at which the filter starts to attenuate the AC signal.  For a Low pass filter, AC signals with a frequency above 1-50 kHz will start to be attenuated (not passed).
+# Design a low-pass RC filter with a break point between 1-50 kHz.  The break point is the frequency at which the filter starts to attenuate the AC signal.  For a Low pass filter, AC signals with a frequency above 1-50 kHz will start to be attenuated (not passed).
-#Now construct the circuit using a non-polar capacitor.
+# Now construct the circuit using a non-polar capacitor.
 [[File:TF_EIM_Lab3.png | 400 px]]

← Older revision		Revision as of 16:39, 21 January 2011
Line 1:		Line 1:
		+	[https://wiki.iac.isu.edu/index.php/Electronics_RS Go Back to All Lab Reports]
		+
	;RC Low-pass filter		;RC Low-pass filter

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	[[Forest_Electronic_Instrumentation_and_Measurement]]		[[Forest_Electronic_Instrumentation_and_Measurement]]
		+
		+	[https://wiki.iac.isu.edu/index.php/Electronics_RS Go Back to All Lab Reports]