Transistor

Transistor . Sensors Technology – MED4. Lecturer: Smilen Dimitrov. Introduction. The model that we introduced for ST. Introduction. We have discussed The units of voltage, current and resistance, from both a microscopic and macroscopic (electric circuits) perspective

854 views • 31 slides

INTRODUCTION TRANSISTOR CONSTRUCTION TRANSISTOR OPERATION

455 views • 10 slides

TRANSISTOR

TRANSISTOR. A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. The transistor is the fundamental building block of modern electronic devices There are two types of transistors Bipolar Junction Transistor

910 views • 15 slides

The History of the Transistor

The History of the Transistor. Alex Basinger. The Vacuum Tube. The Vacuum tube is a glass tube that hold electric currents First saw by Thomas Edison, and called it the “Edison Effect” The Vacuum tube didn’t reach its full potential until Lee De Forest, improved on the idea

1.05k views • 8 slides

Before the Transistor

Before the Transistor. Computers in 1940s and 1950s were built with vacuum tubes Computers where large, with limited memory and processing power. Before the Transistor. ENIAC computer in 1946 was 30 tons, 150 feet wide, contained 18,000 vacuum tubes, 100 kHz clock

354 views • 6 slides

Transistor-Transistor Logic and BiCMOS

Transistor-Transistor Logic and BiCMOS. Dr. T.Y. Chang NTHU EE 2007.12.11_13. Introduction. Diode-Transistor Logic Basic TTL NAND gate Schottky TTL BiCMOS Text Book: D.A. Neamen, Electronic Circuits Analysis And Design, 2nd ed. Chapters 17. Parameters. Diode-Transistor Logic.

1.56k views • 28 slides

TRANSISTOR

TRANSISTOR. Transistor is a semiconductor device made of a solid piece of semiconductor material ,with atleast three terminals for connection to an external circuit. TYPES. Semiconductor device-germanium ,silicon, gallium arsenide ,silicon carbide etc.

2.13k views • 19 slides

TRANSISTOR

TRANSISTOR. BJT : DC BIASING. Transistor Currents. …( Eq. 3.1). Emitter current (I E ) is the sum of the collector current (I C ) and the base current (I B ) . Kirchhoff’s current law;. Collector Current (I C ). …( Eq. 3.2). Collector current (I C ) comprises two components ;

1.69k views • 40 slides

TRANSISTOR

TRANSISTOR. TRANSISTOR Background and Introduction. A semiconductor device that Amplifies, Oscillates, or Switches the flow of current between two terminals Invention of the Transistor

1.76k views • 22 slides

Transistor

Transistor. Victor Hugo Estrada Rivera University of Texas at El Paso Molecular Electronics Chem 5369. Definition. An electronic device made of a semiconductor that can act as an insulator and a conductor. The ability to change from these two states enables the device switch or amplify.

834 views • 41 slides

The Transistor

0.7 V. The Transistor. A transistor is an automatic switch . It can only be on or off. collector. base. emitter. When the transistor is on , current flows from the emitter to the collector . For this to happen, there has to be 0.7 V across the base of the transistor.

669 views • 38 slides

Transistor

Transistor. Introduction. The term Transistor was derived from the word “Transfer” of “resistor” A semiconductor device that Amplifies, Oscillates, Switches Operation depends on the flow of current Lighter in weight Low operating voltage High efficiency More sensitive to shock.

598 views • 14 slides

Transistor

Transistor. BJT Transistors:. NPN Transistor. Sandwiching a P-type layer between two n-type layers. PNP Transistor. Sandwiching a N-type layer between two p-type layers. How a “NPN” Transistor works?.

1.4k views • 27 slides

The MOS Transistor

The MOS Transistor. Polysilicon. Aluminum. n areas have been doped with donor ions (arsenic) of concentration N D - electrons are the majority carriers. L. Gate oxide. Polysilicon Gate. W. Source. Drain. Field-Oxide (SiO 2 ). n+. n+. p substrate. p+ stopper. Bulk (Body).

629 views • 26 slides

Transistor-Transistor Logic (TTL)

Transistor-Transistor Logic (TTL). Lecture L4.1. Transistor-Transistor Logic (TTL). Developed in mid-1960s Large family (74xx) of chips from basic gates to arithmetic logic units Becoming obsolete with the development of programmable logic devices (PLDs). TTL Chips. TTL NAND, NOR, XOR.

1.37k views • 9 slides

Simplified Transistor - Transistor Logic (TTL)

Simplified Transistor - Transistor Logic (TTL). Transistor - Transistor Logic (TTL) Simplified form of inverter Two instead of four transistors Two instead of four resistors For low v i input, output v o is high Q 1 is on ( saturation ).

530 views • 16 slides

The MOS Transistor

The MOS Transistor. Cross-Section of CMOS Technology. MOS transistors Types and Symbols. D. D. G. G. S. S. Depletion. NMOS. Enhancement. NMOS. D. D. G. G. B. S. S. NMOS with. PMOS. Enhancement. Bulk Contact. Threshold Voltage: Concept. The Threshold Voltage.

467 views • 29 slides