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university:courses:electronics:electronics-lab-9 [05 Mar 2019 12:24] – [Using an NPN transistor array:] Antoniu Miclausuniversity:courses:electronics:electronics-lab-9 [05 Nov 2021 15:28] (current) – [Activity: Regulated Voltage Reference] Doug Mercer
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-====== Activity 9.  Regulated Voltage Reference ======+====== Activity Regulated Voltage Reference - ADALM2000======
  
 ====== Version 1 ====== ====== Version 1 ======
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 ===== Objective: ===== ===== Objective: =====
  
-The zero gain amplifier (Q<sub>1</sub>, R<sub>2</sub>) and stabilized current source (Q<sub>2</sub>, R<sub>3</sub>) from activities and can be used in conjunction with a PNP current mirror stage (Q<sub>3</sub>,Q<sub>4</sub>) in negative feedback to build a circuit which provides a constant or regulated output voltage over a range of input voltages.+The zero gain amplifier (Q<sub>1</sub>, R<sub>2</sub>) and stabilized current source (Q<sub>2</sub>, R<sub>3</sub>) from activities 10 and 11 can be used in conjunction with a PNP current mirror stage (Q<sub>3</sub>,Q<sub>4</sub>) in negative feedback to build a circuit which provides a constant or regulated output voltage over a range of input voltages.
  
 ===== Materials: ===== ===== Materials: =====
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 <WRAP centeralign> Figure 2 Regulator Version 1 Breadboard Circuit </WRAP> <WRAP centeralign> Figure 2 Regulator Version 1 Breadboard Circuit </WRAP>
  
-Waveform generator 1 should be configured for a 1 KHz triangle wave with 4 volt amplitude and 2V offset. The Single ended input of scope channel 2 (2+) is used to measure the stabilized output voltage at the collector of Q<sub>4</sub> ( negative inputs 1= and 2- should be connected to ground).+Waveform generator 1 should be configured for a 1 KHz triangle wave with 4 volt amplitude peak-to-peak and 2V offset. The Single ended input of scope channel 2 (2+) is used to measure the stabilized output voltage at the collector of Q<sub>4</sub> ( negative inputs 1= and 2- should be connected to ground).
  
 ===== Procedure: ===== ===== Procedure: =====
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 <WRAP centeralign> Figure 5 Regulator Version 2 Breadboard Circuit</WRAP> <WRAP centeralign> Figure 5 Regulator Version 2 Breadboard Circuit</WRAP>
  
-Waveform generator W1 should be configured for a 1 KHz triangle wave with 4 volt amplitude and 2V offset. Scope channel 2 (2+) is used to measure the stabilized output voltage at the emitter of Q<sub>4</sub>.+Waveform generator W1 should be configured for a 1 KHz triangle wave with 4 volt amplitude peak-to-peak and 2V offset. Scope channel 2 (2+) is used to measure the stabilized output voltage at the emitter of Q<sub>4</sub>.
  
 ===== Procedure: ===== ===== Procedure: =====
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 ==== For Further Study: ==== ==== For Further Study: ====
  
-ADI Mini Tutorial on [[http://www.analog.com/static/imported-files/tutorials/MT-087.pdf|Voltage references]]+ADI Mini Tutorial on [[adi>static/imported-files/tutorials/MT-087.pdf|Voltage references]]
  
 ====== Using an NPN transistor array: ====== ====== Using an NPN transistor array: ======
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 <WRAP round download> <WRAP round download>
 **Resources:** **Resources:**
-  * Fritzing files: [[ https://minhaskamal.github.io/DownGit/#/home?url=https://github.com/analogdevicesinc/education_tools/tree/master/m2k/fritzing/regulated_voltage_reference_bb | regulated_voltage_reference_bb]] +  * Fritzing files: [[downgit>education_tools/tree/master/m2k/fritzing/regulated_voltage_reference_bb | regulated_voltage_reference_bb]] 
-  * LTspice files: [[ https://minhaskamal.github.io/DownGit/#/home?url=https://github.com/analogdevicesinc/education_tools/tree/master/m2k/ltspice/regulated_voltage_reference_ltspice | regulated_voltage_reference_ltspice]]+  * LTspice files: [[downgit>education_tools/tree/master/m2k/ltspice/regulated_voltage_reference_ltspice | regulated_voltage_reference_ltspice]]
 </WRAP> </WRAP>
  
 **Return to Lab Activity [[university:courses:electronics:labs|Table of Contents]]** **Return to Lab Activity [[university:courses:electronics:labs|Table of Contents]]**
  
university/courses/electronics/electronics-lab-9.txt · Last modified: 05 Nov 2021 15:28 by Doug Mercer