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PERTEMUAN 6.1. DIODE

DASAR TEKNIK ELEKTRO. PERTEMUAN 6.1. DIODE. N-Type Semiconductor. P-Type Semiconductor. E. E. Diode Types. Rectifier Diodes Light Emitting Diodes (LED) Photodiodes Zener Diodes Schottky Diodes. Diode Applications. Reverse Voltage Protection Rectifying Display Light Sensing.

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PERTEMUAN 6.1. DIODE

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  1. DASAR TEKNIK ELEKTRO PERTEMUAN 6.1. DIODE

  2. N-Type Semiconductor P-Type Semiconductor

  3. E E

  4. Diode Types • Rectifier Diodes • Light Emitting Diodes (LED) • Photodiodes • Zener Diodes • Schottky Diodes

  5. Diode Applications • Reverse Voltage Protection • Rectifying • Display • Light Sensing

  6. Ripple Full-wave ripple frequency is twice AC frequency

  7. Zener Diode

  8. Diode Bridge

  9. Voltage Doubler On negative half-cycle, D1 charges C1 to Vp. On positive half-cycle D2 adds AC peak to Vp on C1 and transfers it all to C2.

  10. Voltage Doubler • Voltage doublers allow you to develop higher voltages without a transformer. • Stages can be cascaded to produce triplers, quadruplers, etc. • Voltage multipliers usually supply low currents to a high-resistance load. • Output voltage usually drops quickly as load current increases.

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