How an SCR works?-Principle of Operation SCR Working Principle The SCR is a four-layer‚ three-junction and a three-terminal device and is shown in fig.a. The end P-region is the anode‚ the end N-region is the cathode and the inner P-region is the gate. The anode to cathode is connected in series with the load circuit. Essentially the device is a switch. Ideally it remains off (voltage blocking state)‚ or appears to have an infinite impedance until both the anode and gate terminals have suitable
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It’s nothing but a AC to DC converter. Keywords: 5V DC power supply‚ rectifier‚ diode‚ filter‚ capacitor‚ zener diode‚ voltage regulator‚ signal‚ waveshape. 1. Introduction I’m designing a 5V DC power supply. Here I’m basically designing a AC to DC converter. To convert the AC to DC‚ I’m using components like full wave bridge rectifier‚ filter & a voltage regulator. To get the constant 5V I use 1N4733A zener diode. The block diagram of this project is given below and giving the part to part
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further classified as Semiconductor Devices : Semiconductor diode‚ zener diode‚ and varactor diode etc. Uni-junction transistor‚ Bipolar junction transistor (BJT)‚ FET‚ silicon‚ Controlled rectifier etc. Vacuum Tube Devices : Vacuum tube diode‚ triode‚ Tetrode‚ Pentode‚ Hexode‚ Heptode etc. Gas Tube Devices : Gas diodes‚ Thyratons etc. Photo Sensitivity Devices : Gas photodiodes‚ photo multiplier tubes‚ photodiodes‚ light emitting diode‚ photosensitive transistor etc. Though there are devices
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EXPERIMENT NO-1 AIM- To determine the frequency of A. C. mains by using an electric vibrator. APPARATUS- Electric vibrator‚ table lamp‚ pulley‚ weight box‚ fishing cord‚ a. c. source. THEORY- when a cord of mass per unit length m is connected to the vibrating rod of the vibrator and stretched with a tension T‚ the cord vibrators in segments. If the length of the cord is then adjusted until the nodes are clearly marked‚ the frequency of the stretched string is the same as of the vibrating rod which
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Design technique of P-type CMOS circuit for gate-leakage Reduction in deep submicron Aneesha R1‚ Shabnoor Naaz M2 8th Semester‚ E&C Dept‚ BIT Mangalore 1anee.star@ymail.com 2naazshaik.44@gmail.com Abstract— Before the CMOS process is scaled into deep sub-micron process‚ dynamic energy loss has always dominated power dissipation‚ while leakage power is little. The aggressive scaling of device dimensions and threshold voltage has significantly increased leakage current exponentially‚ thus the
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MAHAMAYA TECHNICAL UNIVERSITY‚ NOIDA Syllabus For B. TECH. SECOND YEAR Of ELECTRONICS AND COMUNICATION ENGINERING(EC) ELECTRONICS AND TELECOMMUNICATIONENGINERING (ET) ELECTRONICS ENGINERING (EL) (Effective from the Session: 2013-14) SCHEME OF EVALUATION OF B TECH SECOND YEAR (from academic year 2013-14) SEMESTER III (EC/ET/EL) Periods S.N O. 1 2 Subject Code AS-306 AS301A Subjects L T 0 1 P 0 0 Evaluation Scheme Sessional End Semester CT TA TOT P Th P 10 10 20 80 30 20 50 100 Total 100
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LDR Circuit Diagram: Here is the schematic for the circuit: Light Dependent Resistors Light Dependent Resistors (LDR) are also called photoresistors. They are made of high resistance semiconductor material. When light hits the device‚ the photons give electrons energy. This makes them jump into the conductive band and thereby conduct electricity. A photoresistor or light-dependent resistor (LDR) or photocell is a light-controlled variable resistor. The resistance of a photoresistor decreases
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Pulsating DC‚ Ripple voltage‚ Filter‚ Zener diode. Abstract: |Serial No.|Component Details |Specification |Quantity | |1. |Transformer |220V/12V |1 piece | |2. |p-n junction diode |1N4007 |4 piece | |3. |Resistor |3.2KΩ |1 piece | |4. |Capacitor |1000uf |1 piece | |5. |Zener diode |1N4733A |1 piece
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Birla Institute of Technology & Science‚ Pilani Work-Integrated Learning Programmes M.S. Microelectronics at BITS Pilani Professional Development Centre‚ Bangalore Type of Input | Sponsored employees (with adequate work experience in Microelectronics area) with a First Degree of BITS or its equivalent | Duration | Normally Four Semesters | Special Feature | This is a specially designed programme to meet the Human Resource Development requirements of various collaborating
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1.6 Material/tool required. Table 2 material required. SR NO COMPONENT 1 ATMEGA32 MICROCONTROLLER 2 IR TRANSMITTER & RECEIVER 3 GPS MODULE 4 GYROSCOPE 5 STEPPER MOTOR 6 LM7805 7 POWER BATTERY 8 RESISTOR 9 LED 10 PCB 11 ULTRASONIC 1.7 Component description: 1.7.1 ATMEGA32 Microntroller: Family with low power consumption. Atmega32 is based on enhanced RISC (Reduced Instruction Set Computing‚ Know more about RISC and CISC Architecture) architecture ATmega32 is an 8-bit high performance microcontroller
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