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Educational program: Mechanic - electrician Title of program: Technical training II. class Transistor´s stage with common collector Worked out: Bc. Chumchal.

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Prezentace na téma: "Educational program: Mechanic - electrician Title of program: Technical training II. class Transistor´s stage with common collector Worked out: Bc. Chumchal."— Transkript prezentace:

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2 Educational program: Mechanic - electrician Title of program: Technical training II. class Transistor´s stage with common collector Worked out: Bc. Chumchal Miroslav Projekt Anglicky v odborných předmětech, CZ.1.07/1.3.09/ je spolufinancován Evropským sociálním fondem a státním rozpočtem České republiky.

3  Scheme of connection of the transistor´s stage with CC (SK)  Recessing drawing  Amplifier with common collector  Components specification  Properties of the amplifier with CC (SK)  Students activities  Control questions Connection of the transistor with common collector

4 Connection scheme of transistor´s stage with CC

5 Recessing drawing

6 The amplifier with common collector

7 Components Value T NPN ( BC 548 ) R1 10K R2 M1 R3 4K7 R4 470 C1, C3 1M/16V C2 20M/16V Components specification

8 Qantity Value Input resistance ( R VST ) Very big ( 10K – 50OK ) Output resistance ( R VÝST ) Very small ( 10 ohm – 1K ) Voltage amlification ( A U ) none Current amlification ( A I ) big ( 20 – 200 ) Efficiency amlification ( A P ) small ( 10 – 200 ) Connection properties of the amplifier with CC

9  Implement a connection with cc (sk) on a circuit board.  Design a connection according to the scheme on a circuit board, independently.  Before soldering of components take their measurement.  After soldering, check out your practice work and take their measurement. Students activities

10  What voltage you can measure on the transistors electrodes ?  How big electric current passing through by circuit ?  Calculate amplification of amplifier A U and compare with connection with SE, SB.  Calculate the gain in dB and compare with connection with SE, SB too.  Make evaluation of your work. Students activities – control questions

11  Poznáváme Elektroniku I.,Václav Malina, Vydalo nakladatelství KOPP,České Budějovice, 1996  vypočet tranzistorového stupně  Vlastní poznámkový sešit Literature used


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