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BEC

BEC . Basic Components. Pn junction Npn junction MOSFET OP-amps. PN Junction. Call it a diode Governing equation. Npn junction. Called bjt. MOSFETs. Similar in function to bjt’s Low power, low speed. Op-amps. Differential amplifier Large gain Forms circuit component of

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BEC

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  1. BEC

  2. Basic Components • Pn junction • Npn junction • MOSFET • OP-amps

  3. PN Junction • Call it a diode • Governing equation

  4. Npn junction • Called bjt

  5. MOSFETs • Similar in function to bjt’s • Low power, low speed

  6. Op-amps • Differential amplifier • Large gain • Forms circuit component of lot of electronic components. • 741 ic is the most common op amp chip

  7. Circuits • Rectifiers • Inverter • Switch • Amplifier • Differentiator • Integrator

  8. Rectifiers • Convert ac to dc • Half wave, full wave, bridge type

  9. Inverter • Changes logic high to low and vice versa

  10. Switch • Mosfet generally used as a switch • Can be used as a voltage controlled switch • Bjt may also be used however it has power issues

  11. Amplifier • Bjt as an amplifier • Mosfet as in amplifier • Opamp as a general purpose amplifier

  12. Differentiator • Performs the mathematical operation of differentiation

  13. Integrator • Performs time integration on input voltage

  14. Comparator • Comparator exploits the high gain of the opamp device • Very useful in comparing voltages.

  15. Timer • Astable multi vibrator • Mono stable multi vibrator • datasheet

  16. Other circuits • High pass filter(differentiation) • Low pass filter(integration) • Opamp amplifiers • Opamp summer

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