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university:courses:electronics:electronics-lab-10 [18 Aug 2017 15:54]
Antoniu Miclaus add breadboard circuits + xy plots
university:courses:electronics:electronics-lab-10 [23 Aug 2019 13:05]
Antoniu Miclaus
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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:​**
 +  * Fritzing files: [[ https://​minhaskamal.github.io/​DownGit/#/​home?​url=https://​github.com/​analogdevicesinc/​education_tools/​tree/​master/​m2k/​fritzing/​shunt_volt_reg_bb | shunt_reg_bb]]
 +  * 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]]
 +</​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.txt · Last modified: 25 Jun 2020 22:07 (external edit)