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Educational program: Mechanic - electrician Title of program: Technical training II. class Generator of rectangular oscillations Worked out: Bc. Chumchal.

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Prezentace na téma: "Educational program: Mechanic - electrician Title of program: Technical training II. class Generator of rectangular oscillations Worked out: Bc. Chumchal."— Transkript prezentace:

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2 Educational program: Mechanic - electrician Title of program: Technical training II. class Generator of rectangular oscillations 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 generator of rectangular oscillations  Components specification  Recessing drawing  Recessing drawing from the side of printed wiring  Utilization of connection in practice  Students activities

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5 Components Value IO 4011 R1,R2 1K R3,R4 470 C1 68K-100K D1,D2 KA …… T1 BC 548

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8  Testing of capacitors according to the acoustic signal  Testing of semiconductor diodes  Testing of transistors  Testing of resistors

9 Describe a function of the acoustic tester Describe a sound when faulty diode is testing Describe a sound when capacitor 330nF, 220μF is testing

10 Draw a rectangular oscillations from the screen of oscilloscope to the prepared raster. Determine an amplitude of oscillations, period T. Calculate a frequency f Draw a graph of oscillation dependence, generated by a tester on amount of testing resistance1K, 10K.

11  Own note exercise book


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