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    P-n Junction Diode

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    CHARACTERISTICS AND OTHER DIODE APPLICATIONS AIM:-To observe and draw the Forward and Reverse bias V-I Characteristics of a P-N Junction diode and diode applications . APPARATUS:P-N Diode 1N914 Regulated Power supply (0-30v) Resistor 1KΩ Ammeters (0-200 mA‚ Voltmeter (0-2V/200 V) Bread board Connecting wires THEORY:A p-n junction diode conducts only in one direction. The V-I characteristics of the diode are curve between voltage across the diode and current through the diode. When external voltage

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    P-N Junction Diode

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    CONTENTS + 0 ) 2 6 - 4 Learning Objectives ➣ P-N Junction Diode ➣ Derivation of Junction Resistance ➣ Junction Breakdown ➣ Junction Capacitance ➣ Equivalent Circuit of P-N JunctionDiode Fabrication # P-N JUNCTION DIODE ➣ Grown Junction ➣ Alloy Junction ➣ Diffused Junction ➣ Epitaxial Junction ➣ Point Contact Junction ➣ The Ideal Diode ➣ The Real DiodeDiode Circuits with D.C. and A.C. Voltage Sources ➣ Diode Clipper and Clamper Circuits ➣ Clippers ➣ Some Clipping

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    Diode

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    A diode is a two-terminal device‚ having two active electrodes‚ between which it allows the transfer of current in one direction only. Diodes are known for their unidirectional current property‚ wherein‚ the electric current is allowed to flow in one direction. Basically‚ diodes are used for the purpose of rectifying waveforms‚ and can be used within power supplies or within radio detectors. They can also be used in circuits where ’one way’ effect of diode is required. Most diodes are made from semiconductors

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    Diodes

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    the first type of semiconductor diode‚ and in fact‚ the first semiconductor electronic device. Cat’s whisker detectors are obsolete and are now only used in antique or antiquereproduction radios‚ and for educational purposes. Tunnel diode From Wikipedia‚ the free encyclopedia Tunnel diode schematic symbol 1N3716 tunnel diode (with 0.1" jumper for scale) 10mA germanium tunnel diode mounted in test fixture of Tektronix 571 curve tracer A tunnel diode or Esaki diode is a type of semiconductor that

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    Diode Transistor

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    bipolar (discussed later in this chapter). Let’s analyze this circuit for the condition where the input is "high‚" or in a binary "1" state. We can simulate this by showing the input terminal connected to Vcc through a switch: In this case‚ diode D1 will be reverse-biased‚ and therefore not conduct any current. In fact‚ the only purpose for having D1 in the circuit is to prevent transistor damage in the case of a negative voltage being impressed on the input (a voltage that is negative‚ rather

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    Silicon Diode

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    conducting germanium diode has a potential of about 0.7 V across it. 3) Silicon doped with impurities is used in the manufacture of semiconductor devices. 4) Reverse bias permits full current through a pn junction. 5) Semiconductor material of the p-type has few free electrons. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 6) The application of a dc voltage to control diode conduction is called A) a pn junction. B) bias. C) amplification

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    shottky diode

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    A SCHOTTKY DIODE? The Schottky diode is an important device which is widely used in radio-frequency (RF) applications. It possesses many similarities to the point-contact diode. In fact many of the early devices were made in the same way as a point-contact diode‚ although today’s devices are made with totally different manufacturing techniques. Unlike conventional semiconductor diodes‚ which consist of a PN junction‚ the Schottky diode is made from a metal semiconductor junction. This offers

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    Diode

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    E & H PLANE TEE MAGIC TEE PDF created with pdfFactory Pro trial version www.pdffactory.com Contents ü History ü What is Magic Tee ? ü Microwave T-junctions ü Two-port network ü E-plane tee ü H-plane tee ü MAGIC TEE (HYBRID TEE) ü Characteristics of magic tee ü Electric field pattern of magic tee ü Application of Magic Tee PDF created with pdfFactory Pro trial version www.pdffactory.com HISTORY Ø A magic tee is a four-port‚ 180 degree hybrid splitter‚ realized in waveguide. Ø Originally

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    Tunnel Diode

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    III.8. THE TUNNEL DIODE 1. Theory The Japanese physicist Leo Esaki invented the tunnel diode in 1958. It consists of a p-n junction with highly doped regions. Because of the thinness of the junction‚ the electrons can pass through the potential barrier of the dam layer at a suitable polarization‚ reaching the energy states on the other sides of the junction. The current-voltage characteristic of the diode is represented in Figure 1. In this sketch i p and U p are the peak‚ and iv and U v are

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    Junctions

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    Chapter 5 Describe tight junctions Consist of transmembrane cell-adheasion proteins around upper part of cell holding neighboring cells together. Identify the three types of muscle tissue * Cardiac * Smooth * Skeletal A muscle cell is also called a myocyte What type of tissues covers body surfaces‚ lines body cavities‚ forms the internal and external linings of many organs and constitutes most gland tissue? Epithelial By definition‚ adipose tissue is a type of connective tissue

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