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university:courses:electronics:electronics-lab-9 [05 Mar 2019 12:24]
Antoniu Miclaus [Using an NPN transistor array:]
university:courses:electronics:electronics-lab-9 [05 Nov 2021 15:28] (current)
Doug Mercer [Activity: Regulated Voltage Reference]
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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-9.1551785099.txt.gz · Last modified: 05 Mar 2019 12:24 by Antoniu Miclaus