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Logic Circuits Vs Transistor Power Circuits – Circuit Schematic
Logic Circuits Vs Transistor Power Circuits
Invert a signal to drive fets with hard/fast rise and fall times. I was told in another thread to use an inverter (NOT chip). This makes perfect sense to me sin...
Help with designing a circuit with logic gates – Circuit Schematic
Help with designing a circuit with logic gates
There are chips that have AND/OR/NOT gates, but I was wondering if there`s a single one that have all of the ones I need - if not, then what should I use specif...
Shift register on a schematic – Circuit Schematic
Shift register on a schematic
The circuit includes a shift register chip (74HC595N), which I couldn`t find on CircuitLab. Is there any specific drawing to represent a shift register on a sch...
digital logic How does an AND gate behave in this situation – Circuit Schematic
digital logic How does an AND gate behave in this situation
The AND output will be high with both switches closed. However, nothing is guaranteeing the level of the inputs when the switches are open, so the result could ...
xilinx Documenting Digital Design Schematics and Figures – Circuit Schematic
xilinx Documenting Digital Design Schematics and Figures
Small digital design using a Xilinx picoblaze softcore processor, and I`m finding that producing schematics of acceptable quality to be frustrating and time con...
integrated circuit Wiring a 74LS259 (addressable latch) – Circuit Schematic
integrated circuit Wiring a 74LS259 (addressable latch)
I`m trying to use a 74LS259 8 bit addressable latch. I`m trying to get it working without a micro-controller first to ensure that I understanding the wiring 100...
When abstract logic circuits get translated to the electrical equivilant how are conversions from 0 to 1 handled – Circuit Schematic
When abstract logic circuits get translated to the electrical equivilant how are conversions from 0 to 1 handled
The basic problem for me is that gates on a logic circuit appear to be creating power from nothing, which is impossible. For example imagine two NOT gates conne...
pcb fabrication Feasibility Question and Advice on CAD software – Circuit Schematic
pcb fabrication Feasibility Question and Advice on CAD software
For a hobby project I have bread boarded, I am considering using a pair detectors that operate as a single use physical barrier. When hit by a projectile, a tra...
avr What is the point of Buffers like this in Programmers – Circuit Schematic
avr What is the point of Buffers like this in Programmers
On the bottom you will see a 74AC125 which is a Quad Buffer with Tri-State Outputs. I`ve seen quite a few buffers like this on programmers. but im not exactly s...
digital logic Clock switching using clock gates – Circuit Schematic
digital logic Clock switching using clock gates
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controller 4017 counter LEDs have multiple connections in this traffic light circuit – Circuit Schematic
controller 4017 counter LEDs have multiple connections in this traffic light circuit
Why are four legs connected to the green LED and two to the amber LED in the 4017 traffic light circuit Shouldn`t it be able to do with only one leg per LED Eac...
multiplexer Extending UM91214B to support more channels – Circuit Schematic
multiplexer Extending UM91214B to support more channels
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flipflop What happens when theres no specific input variable on a logic diagram using a JK flip flop – Circuit Schematic
flipflop What happens when theres no specific input variable on a logic diagram using a JK flip flop
Q1 and Q2. to form a table, on the left side, list the the four possible states of Q1, Q2; on the right side, write the values that Q1 and Q2 will assume after ...
level shifting Increasing Voltage – Circuit Schematic
level shifting Increasing Voltage
Build a logic level shifter (that`s what it`s called) with a few discrete components (transistors and resistors) or you can go for a one-component solution, i. ...
Arithmatic Logic Unit – Circuit Schematic
Arithmatic Logic Unit
Creating a 2-bit alu. It has 8 defined functions (the functions are defined by a 3bit code), AND XOR etc, and these functions act on two, 2-bit binary numbers a...
Traffic Light Control Circuit – Circuit Schematic
Traffic Light Control Circuit
This page features a circuit that has twenty open collector outputs that turn on one at a time in a continuous, unidirectional loop sequence. The circuit uses t...
Vending Machine Controller – Circuit Schematic
Vending Machine Controller
average vending machines are commonplace at railway stations, airports, fast-food restaurants and even in companies. Press a switch and the machine delivers a c...
Range Encoder/DP Encoder Circuits – Circuit Schematic
Range Encoder/DP Encoder Circuits
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Parallel BCD Output – Circuit Schematic
Parallel BCD Output
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multiplexed 7 segment – Circuit Schematic
multiplexed 7 segment
The basic technique is the same like the last lesson except fact that we have added a counter which counts between 0000 and 9999. Our counter increments with 1 ...