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Verification of truth table of logic gates

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<span style="font-family: "arial" , "helvetica" , sans-serif; font-size: large;">Verification of truth table of logic gates</span></h2>
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<span style="font-family: "arial" , "helvetica" , sans-serif;"><b>Objective:</b></span></div>
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To get familiar with logic gates and verified their truth tables by using gate’s ICs</div>
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<b>Equipment:</b></div>
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Advanced digital trainer DEV-2766</div>
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Logic gates ICs</div>
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AND gate 7408</div>
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OR gate 7432</div>
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NOT gate 7404</div>
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NAND gate 7400</div>
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NOR gate 7402</div>
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Connecting wires</div>
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<b>Introduction and explanation of logic gates :</b></div>
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<b>Logic gates:  </b></div>
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A logic gate is an elementary building block of a digital circuit. Most logic gates have two inputs and one output. At any given moment, every terminal is in one of the two binary conditions low (0) or high (1), represented by different voltage levels. The logic state of a terminal can, and generally does, change often, as the circuit processes data. In most logic gates, the low state is approximately zero volts (0 V), while the high state is approximately five volts positive (+5 V).</div>
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Verification of truth table of logic gates

Verification of truth table of logic gates Objective: To get familiar with logic gates and verified their truth tables by ...

Turn Off Battery Charging from Solar Panel at Nightfall

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<b><span style="font-family: "arial" , "helvetica" , sans-serif; font-size: large;">Turn Off Battery Charging from Solar Panel at Nightfall</span></b></h2>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">When loading a battery during the day from a solar panel it can be partially discharging through the panel after nightfall. This solar panel power switch circuit replaces the diode and connects the panel to battery through a relay contact. When the power supply voltage is too low the relay is not ON, so the battery is not connected to the solar panel. When the voltage is high enough to engage the relay and the LDR receives enough light in order to open T1, the relay will switch and the battery will charge.</span></div>
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The relay remains ON even when the solar panel voltage starts to decrease. A connected and charged battery cannot action the relay when the light intensity decreases because R2 will block T1. The brightness at which this occurs is set by P1.</div>
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Because the power consumption is determined primarily by the relay, it is important that the relay should be a miniature one, with high coil resistance but also be capable to switch up to 10 Amps.</div>
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Turn Off Battery Charging from Solar Panel at Nightfall

Turn Off Battery Charging from Solar Panel at Nightfall When loading a battery during the day from a solar panel it can be partially ...

Transistor versus vacuum Tubes

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Transistor versus vacuum Tubes

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Transistor load Line Analysis

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<b><span style="font-family: "arial" , "helvetica" , sans-serif; font-size: large;">Transistor load Line Analysis</span></b></h2>
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<b><span style="font-family: "arial" , "helvetica" , sans-serif; font-size: large;">FLIP_FLOP: </span></b></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">A flip-flop circuit can maintain binary state in definitely(as long as power is delivered to the circuit)until directed by an input signal to switch states.</span><br />
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Transistor load Line Analysis

Transistor load Line Analysis FLIP_FLOP: A flip-flop circuit can maintain binary state in definitely(as long as power is delivered...

SEQUENTIAL LOGIC CIRCUITS

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<b><span style="font-family: "arial" , "helvetica" , sans-serif; font-size: large;">SEQUENTIAL LOGIC CIRCUITS</span></b></h2>
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<span style="font-family: "arial" , "helvetica" , sans-serif; font-size: large;">In SEQUENTIAL logic systems the outputs of a logic circuit will not only be dependent upon the state of the inputs but also upon the previous state of the outputs.</span><span style="text-align: left;"><span style="font-family: "arial" , "helvetica" , sans-serif; font-size: large;">The state of the outputs can no longer be determined by simply examining the inputs.</span></span></div>
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SEQUENTIAL LOGIC CIRCUITS

SEQUENTIAL LOGIC CIRCUITS In SEQUENTIAL logic systems the outputs of a logic circuit will not only be dependent upon the state of the i...

Power Rating of Transistor Lead Transistor Testing

Power Rating of Transistor Lead Transistor Testing

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Performance of Transistor Amplifier

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<span style="font-family: "arial" , "helvetica" , sans-serif; font-size: large;"><b>Performance of Transistor Amplifier</b></span></div>
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Performance of Transistor Amplifier

Performance of Transistor Amplifier Performance of Transistor Amplifier Download Here SMART ENGINEERING SERVICE ...

Multiplexer and Demultiplexer

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<b><span style="font-size: large;">Multiplexer and Demultiplexer</span></b></h2>
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<h3 style="text-align: left;">
<span style="font-size: large;">Multiplexer</span></h3>
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In electronics, a multiplexer (or mux) is a device that selects one of several analog or digital input signals and forwards the selected input into a single line. A multiplexer of 2n inputs has n select lines, which are used to select which input line to send to the output. Multiplexers are mainly used to increase the amount of data that can be sent over the network within a certain amount of time and bandwidth. A multiplexer is also called a data selector. Multiplexers can also be used to implement Boolean functions of multiple variables. An electronic multiplexer makes it possible for several signals to share one device or resource, for example one A/D converter or one communication line, instead of having one device per input signal.</div>
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Multiplexer and Demultiplexer

Multiplexer and Demultiplexer Multiplexer In electronics, a multiplexer (or mux) is a device that selects one of several analog o...

Logical properties of exclusive OR function

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<b><span style="font-family: "arial" , "helvetica" , sans-serif;">Logical properties of exclusive OR function</span></b></h2>
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Exclusive OR </h3>
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The XOR gate (sometimes EOR gate, or EXOR gate and pronounced as Exclusive OR gate) is a digital logic gate that implements an exclusive or; that is, a true output (1/HIGH) results if one, and only one, of the inputs to the gate is true. If both inputs are false (0/LOW) or both are true, a false output results. XOR represents the inequality function, i.e., the output is true if the inputs are not alike otherwise the output is false. A way to remember XOR is "one or the other but not both".</div>
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XOR can also be viewed as addition modulo 2. As a result, XOR gates are used to implement binary addition in computers. A half adder consists of an XOR gate and an AND gate. Other uses include subtractors, comparators, and controlled inverters.</div>
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Logical properties of exclusive OR function

Logical properties of exclusive OR function Exclusive OR The XOR gate (sometimes EOR gate, or EXOR gate and pronounced as Exclusi...