basic bjt amplifiersmsn/221308bjtampnew.pdf2 asst. prof. dr. montree siripruchyanun asst. prof. dr....
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Asst. Prof. Dr. Montree Siripruchyanun
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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221308 Engineering Electronics I
Basic BJT AmplifiersBasic BJT Amplifiers
Asst. Prof. Dr. Montree SiripruchyanunMatheepot Pattanasak
Dept. of Teacher Training in Electrical EngineeringFaculty of Technical Education
King Mongkut’s Institiute of Technology North Bangkok
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Figure 4.2(a) Bipolar transistor inverter circuit; (b) inverter transfer characteristics
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Asst. Prof. Dr. Montree Siripruchyanun
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Figure 4.4Common-emitter transistor characteristics, dc load line, and sinusoidalvariation in base current, collector current, and collector-emitter voltage
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Figure 4.5 Base current versus base-emitter voltage characteristic with superimposed sinusoidal signals
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Asst. Prof. Dr. Montree Siripruchyanun
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Figure 4.8A simplified small-signal hybrid-π equivalent circuit for the npn transistor
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Asst. Prof. Dr. Montree Siripruchyanun
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Figure 4.13Expanded small-signal model of the BJT, including the Early effect, for the case when the circuit contains the (a) transconductance and (b) the current gain parameters
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Figure 4.22aBasic data sheet for the 2N2222 bipolar transistor
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Asst. Prof. Dr. Montree Siripruchyanun
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Figure 4.22b
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Figure 4.28A bipolar circuit with an emitter resistor, a voltage-divider biasing circuit, and a coupling capacitor
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Asst. Prof. Dr. Montree Siripruchyanun
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Figure 4.29The small-signal equivalent circuit with an emitter resistor
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Figure 4.44Emitter-follower circuit
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Asst. Prof. Dr. Montree Siripruchyanun
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Figure 4.45Small-signal equivalent circuit of the emitter-follower
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Figure 4.53
Basic common-base circuit
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Asst. Prof. Dr. Montree Siripruchyanun
Asst. Prof. Dr. Montree Siripruchyanun and Matheepot
Pattanasak
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Figure 4.54
(a) Simplified hybrid-π model of the npn transistor and (b) small-signal equivalent circuit of the common-base circuit