Can anyone tell me if there are any logic gates ... Yahoo Can anyone tell me if there are any logic gates built into this circuit board? We have circuits that we use at work and we are trying to figure out exactly how they work. They were made for the function of indicating whether or not a door is open or closed. How to make an AND Gate using Diodes on Breadboard This is the circuit we are going to build on Breadboard. 1. P terminal of diodes is connected together. 2. Logic inputs are given to n terminal of diodes. 3. End terminals of Resistance are connected to P terminals of the diode and ve of 9 v battery respectively. How to Build a Diode AND Gate Circuit An AND gate is a logic circuit that only turns on an output when all the inputs are HIGH or a logic state of 1. If any inputs are off or at a logic state of 0, the output is off. AND gates can be built using a variety of electronic components, including transistors and mechanical pushbuttons. Can a LED be used in place of a diode in a ... Yahoo Answers A standard diode has a forward bias (Vf) of ~.7v. A schottky diode has a Vf of ~ .3 .4 V. An LED has a Vf of ~ 1.5 3.5 volts depending on the color. Generally it could be made to work but in a standard Xtal radio circuit, No It won't work. OR and AND logic gates made with diodes Electronics Area OR and AND logic gates made with diodes. If we need a OR gate we can use a 4071 OR CMOS IC or a TTL 7432 OR IC. If we need a AND gate we can use a 4081 AND CMOS IC or a TTL 7408 AND IC but sometimes it is easier to use diodes. Diode Logic uses the fact that diodes conduct only in one direction. (they behave like switches). can a diode be used as a voltage source? | Yahoo Answers Generally, in a silicon diode if the applied potential is greater than 0.7 V, the diode starts conducting. It's all a diode does. It CANNOT generate any voltage for any reason. And in no way it can be used as a voltage source. In a Zener diode, only the output voltage is a regulated version of the input. Problems on Diode Circuits 1 IN THIS VIDEO I TRIED TO EXPLAIN ABOUT THE HOW TO FIND DIODE CURRENTS AND VOLTAGES IN THE GIVEN CIRCUITS ... Diode DC Circuit Example 2 (Very Hard ... GATE 2011 ECE Diode Small Signal Analysis ... circuit analysis Diode Logic Gates Electrical ... With diode logic, it is also difficult to build any gates other than AND and OR. NOT gates are not possible. So enter DTL (diode transistor logic), which adds an NPN transistor to the output of the gates described above. This turns them into NAND and NOR gates, either of which can be used to create any other kind of logic function. How to Solve the Diode Circuits (Explained with Examples) Although the values of voltage and current of the diode by this method is not exact, using the diode approximation the circuits can be solved analyzed very easily. What is the difference thyristor, diode, and a ... Yahoo SCRs only conduct one way, like diodes. Triacs are thyristors that conduct both ways, and only turn off when the current through them reaches 0. They can be built by putting two SCRs in inverse parallel and connecting the gates together. So to answer your second question, neither a diode and resistor, nor a diode and transistor make up a thyristor. NAND Gate using Diode Circuit Peter Vis NAND Gate using Diode Circuit. This is a Diode Transistor Logic (DTL) NAND Gate circuit using a bipolar junction transistor. A basic circuit using any general purpose bipolar transistor such as the BC549, BC548, or BC547, could be used to construct the gate. The diodes could be any general purpose 1N4148 type. how does a P N junction diode act as a switch? | Yahoo Answers A P N junction diode only acts as a gate, allowing current to flow in one direction. If you add another layer, as in PNP or NPN (a transistor) then you can use this as the switch or amplifier. Only other option with diodes are zener diodes which allow reverse bias current once the voltage threshold for the input is exceeded. Diode logic In the cascaded AND OR diode gates in the picture on the right, the AND high output voltages are decreased because of the internal voltage drops across the AND pull up resistances. Applications. Diode logic gates are used to build diode–transistor logic (DTL) gates as integrated circuits. EE101: Diode circuits IIT Bombay * V <0 Volts !S is open (a perfect open circuit), and it can ideally block any reverse voltage. The current through the diode is 0 A. * The actual values of V and i for a diode in a circuit get determined by the i V relationship of the diode and the constraints on V and i imposed by the circuit. M. B. Patil, IIT Bombay what is the effect of diodes in parallel? | Yahoo Answers It depends on the diodes. Every diode has a slightly different voltage drop across it. If you connect two different diodes in parallel, the one with the lower voltage drop will conduct most of the current, even to the point where it will behave as if the larger diode isn't even there. Can we use diode for ac source(240v) as regulator or as ... Always have lots of margin unless you are buying very expensive diodes. Usually it is best to pay a few cents more for that extra that just might, one day, be exceded by things outside your control (to illustrate, a circuit drawing 0.8A continuously, I would buy use a 3A diode, unless 5A ones were close in price quite possible). Why can't we use diodes to make a NOT gate? Quora A NOT gate needs to be able to change a 0 to a 1 and a 1 to a 0. In practical terms, this generally means being able to take a high voltage input and make it low (a bunch of diodes in series will accomplish this), but also being able to take a low input and make it high. Diodes cannot do this; you need an amplifier of some kind. How to make an OR Gate using Diodes on Breadboard So in this post, you will learn how to make an OR Gate using Diodes on Breadboard. I am sure you must be familiar with an OR Gate, it's Truth Table, Logic symbol, and its working. But do you know, you can build your own OR Gate on Breadboard? So in this post, you will learn how to make an OR Gate using Diodes on Breadboard ... Circuit Diagram ... Can we replace a diac with a diode connected in ... Yahoo Can we replace a diac with a diode connected in back to back arrangement?why? Answer Save. 3 Answers. Relevance. billrussell42. ... Join Yahoo Answers and get 100 points today. Join. Trending Questions. Trending Questions. ... How to create a multiple input NAND gate using three IC inverters with maximum input? How to Build a Diode OR Gate Circuit You can also simply add toggle switches instead so that it's much easier to work with. If you want to build the above circuit with toggle switches, see Diode OR Gate Circuit built with Toggle Switches. This is the breadboard circuit of the toggle switch Diode OR gate circuit, Diode OR Gate Breadboard Circuit built with Toggle Switches. what is leakage current of diode? | Yahoo Answers However, when engineering complex circuits everything has to be taken in account. On the other hand, take a zener diode, it is designed to operate reverse biased after a break over voltage, and it is used as a voltage regulator. All diodes exhibit the break over region of reverse bias, but most diodes will burn up. Why do two reverse diodes represent the logic gate AND ... Now if A is low, the diode allows A to draw current, which pulls down the node voltage of S, so the voltage of S corresponds to the voltage drop of the diode when current is flowing through the resistor and the diode... which is approximately 0.7V, or 'low'. simulate this circuit. Same if B is low. Same if A or B are low. How can we design an OR gate using diodes ? Quora When at least one of the inputs X and Y is high, the high input is passed through to Z, due to the diode (considered ideal) creating a short path. When both X and Y are at low logic level, the diodes remain open circuited and no current flows through R, due to which Z attains logic 0. That’s how you get an OR gate with diodes. Previous GATE Questions on Diode Applications ... Previous GATE Questions on Diode Applications & Miscellineous Questions 1990. 1. ... Design a circuit using two ideal diodes, one resistor and two voltage sources that would convert the input voltage to the output voltage as shown in figure. The resistor value need not be specified. AND gate operation | ECE Tutorials AND gate using Diodes The above circuit diagram shows the realization of AND gate using diodes. It consists of two PN junction diodes where the inputs A and B are connected to cathode terminal and positive V (5 v) volts are connected to anode terminal through a resistor. What would happen if you put 2 diodes facing ... Yahoo Let's consider both parallel and series circuit configurations for three types of diodes: conventional silicon diodes, Schottky diodes, and Zener diodes. Two conventional silicon diodes or two Zener diodes connected in parallel but in opposite directions would limit or clip any voltage placed on them to around ± 0.7 volts. . What is the relationship between transistors and gates ... What's more, "gates" are pretty much history, except as a line of code in a Verilog or VHDL file. Most hardware description code creates many gates per line. You can not design a modern computer gate by gate in your life time. Books are no longer written by monks with pen and ink and computers are no longer made with TTL chips. Diode as a circuit element (article) | Diode | Khan Academy We solve a diode circuit graphically by plotting a diode i v curve and resistor to find the intersection. Written by Willy McAllister. Diodes conduct current in one direction but not the other. We solve a diode circuit graphically by plotting a diode i v curve and resistor to find the intersection. Silicon diode displays a drop of 0.6V when ... Yahoo Silicon diode when connected in a D.C. circuit effects a drop of 0.6V. Also, it can work as a zener diode. I studied some circuits using 2 silicon diodes connected in series to obtain a 1.2V zener diode. Now, I would like to know whether it is possible to obtain a Zener voltage 0.3V if 2 silicon diodes are connected in parallel configuration and whether the voltage drop will be 0.3V. Also I ... why the diode SD50 is used in the circuit of ... Yahoo why the diode SD50 is used in the circuit of battery charger using SCR? mini project of ECE. Answer Save. 3 Answers. Relevance. Rick. Lv 7. ... Join Yahoo Answers and get 100 points today. Join. Trending questions. ... Circuit analysis using source transformation? 3.11 MULTIPLE DIODE CIRCUITS puter Action Team as to build our understanding and intuition of diode circuit operation. In this section we discuss the use of the simplified diode models for hand analysis of more complicated diode circuits. 3.11.1 A Two Diode Circuit For our first example of multiple diode circuits, consider the circuit containing two diodes in

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digital logic - and or gates 3 transistors nand nor gates 2 transistors why

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transistors - why is bjt nand rise time so high

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not gate - avalanche diode random source design

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what type of mini projects can be made in digital logic gates using only logic gates

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switches - optimize pnp diode schematic

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using a transistor instead of a relay to control a dc motor

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what is the truth table for a 3input nand gate

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p channel mosfet to do automatic switch between battery and power source

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power - n-mosfet motor driver full protection

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common collector h-bridge driver

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random output circuit

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nand gate formula

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can we virtually decrease the forward voltage drop across a diode up to zero how do we make

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current activated diode switch

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npn circuit to switch 12v 1a dc load by 3 3v 1a dc using pir

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equivalent ideal diode circuit analysis

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criteria behind selecting pwm frequency for speed control of a dc motor

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78 questions with answers in computer science education from 100 experts

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doubtpoint

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discrete high side mosfet drivers for windows

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trying to convert a mains powered string of led u0026 39 s

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rapha u00ebl zacharie de izarra ovni warloy baillon ufo rapha u00ebl zacharie de izarra

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