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university:courses:electronics:electronics-lab-10 [12 Nov 2018 12:36]
Antoniu Miclaus
university:courses:electronics:electronics-lab-10 [25 Jun 2020 22:07] (current)
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-====== Activity ​10. Shunt regulator ======+====== ActivityShunt regulator ======
  
 ===== Objective: ===== ===== Objective: =====
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 <WRAP centeralign>​ Figure 2 Band-gap shunt regulator Breadboard Circuit </​WRAP>​ <WRAP centeralign>​ Figure 2 Band-gap shunt regulator Breadboard Circuit </​WRAP>​
  
-Waveform generator W1 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 regulated output voltage at the collector of Q<​sub>​3</​sub>​.+Waveform generator W1 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 regulated output voltage at the collector of Q<​sub>​3</​sub>​.
  
 ===== Procedure: ===== ===== Procedure: =====
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 All the emitters can be tired to ground ( pins 3,7,10,13 ). Devices Q<​sub>​1</​sub>,​ Q<​sub>​2</​sub>​ and Q<​sub>​3</​sub>​ can be connected in parallel and serve as Q<​sub>​2</​sub>​ in figure 1. Q<​sub>​4</​sub>​ and Q<​sub>​5</​sub>​ can be used for Q<​sub>​1</​sub>​ and Q<​sub>​3</​sub>​ in figure 2. The 3 to 1 emitter area ratio will result in an output voltage very nearly 1.2 volts if R<​sub>​1</​sub>​ and R<​sub>​3</​sub>​ are both equal to 2KΩ. All the emitters can be tired to ground ( pins 3,7,10,13 ). Devices Q<​sub>​1</​sub>,​ Q<​sub>​2</​sub>​ and Q<​sub>​3</​sub>​ can be connected in parallel and serve as Q<​sub>​2</​sub>​ in figure 1. Q<​sub>​4</​sub>​ and Q<​sub>​5</​sub>​ can be used for Q<​sub>​1</​sub>​ and Q<​sub>​3</​sub>​ in figure 2. The 3 to 1 emitter area ratio will result in an output voltage very nearly 1.2 volts if R<​sub>​1</​sub>​ and R<​sub>​3</​sub>​ are both equal to 2KΩ.
  
 +<WRAP round download>​
 **Resources:​** **Resources:​**
-  * LTSpice ​files: [[ https://minhaskamal.github.io/DownGit/#/home?​url=https://​github.com/​analogdevicesinc/​education_tools/​tree/​master/​m2k/​ltspice/​shunt_reg_ltspice | shunt_reg_ltspice]]+  * Fritzing ​files: [[downgit>​education_tools/tree/master/m2k/fritzing/shunt_volt_reg_bb | shunt_reg_bb]] 
 +  * LTSpice files[[downgit>​education_tools/​tree/​master/​m2k/​ltspice/​shunt_reg_ltspice | shunt_reg_ltspice]] 
 +</​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-10.1542022561.txt.gz · Last modified: 12 Nov 2018 12:36 by Antoniu Miclaus