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| university:courses:electronics:electronics-lab-9 [25 Aug 2017 10:31] – add breadboard circuits + xy plots Antoniu Miclaus | university:courses:electronics:electronics-lab-9 [15 Feb 2019 16:49] – add ltspice files Antoniu Miclaus |
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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 2. 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. An individual device such as a 2N3904 etc. can be used for Q<sub>4</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 (when R<sub>2</sub> is 100Ω). | 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 2. 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. An individual device such as a 2N3904 etc. can be used for Q<sub>4</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 (when R<sub>2</sub> is 100Ω). |
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| | **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]] |
| | * 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]] |
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| **Return to Lab Activity [[university:courses:electronics:labs|Table of Contents]]** | **Return to Lab Activity [[university:courses:electronics:labs|Table of Contents]]** |
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