A diode protect cmos circuit

May 13, 2011, 2:05 am

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The CMOS digital circuit used to produce a osicillator, with pulse low frequency frorm. We use R and C are a lot of period time. it must have a diode to prevent current flow feedback. In picture the oscillator circuit, we use the CD40106 and 74HCT132.The D1 and D2 connected to the input terminal of [...]

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Cheap siren with nand gate IC

May 13, 2011, 8:52 pm

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This is a siren sound generator circuit. Which is less expensive and can create simple. The IC1 is using CD4011 (Digital Nand Gate) and the IC2 is CD4046. Operation of the circuit, IC1 is a clock frequency 1 Hz.(Frequency adjusted by the value of R1 and C1.) Then it pluse IC1 regtifier through diode D1 [...]

Triangle wave generator circuit with cmos inverter IC

December 6, 2012, 6:54 pm

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This is a very Function Generater project. can be used Triangle and Squarewave Generator. The main parts are CD40106 popular CMOS IC and a normal transistor is BC547 or NPN type such as : BC549 , 2N3094, 2SC1815, OR an Old number 2SC458 . VR1 For Control frequency Output. S3 to Seclector High = 1kHz-10kHz, [...]

Logic probe tester circuit

May 17, 2013, 9:24 am

≫ Next: CD4046 datasheet (phase-locked loop)

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They are digital logic probe circuits that you make easliy. Most digital circuits that used CMOS ICs. because I like using CMOS ICs. Because it needs a voltage of approximately 3V to 12V and the power consumption is low. If we use the battery power for longer than IC-TTL. But when problems need to Logic. [...]

CD4046 datasheet (phase-locked loop)

July 11, 2013, 2:52 am

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The CD4046 is Phase-locked loop IC of CMOS digital (combined analog and digital chip). A Phase-locked loop(PLL) has a voltage-controlled oscillator(VCO). The VCO signal and an input signal are sent vto a phase comparator which generates an error voltage part to any difference in frequency between two signals. The error voltage adjusts the VCO frequency [...]

The circle 10 LED running lights

September 14, 2013, 5:49 am

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This is the circle 10 LED running light as another kind of string light circuit. Which is running light on circle each one step beautifully and can adjust speed as well. The working principle From circuit will see that we use two ICs. Which is IC1-NE555 as timer IC with a widely used general. In […]

VCO-using schmitt trigger

November 6, 2013, 8:21 pm

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The oscillator or the frequency generator, By most popular use NE555 or transistors or various gate. The output frequency setting depend on the resistance or capacitance As well as use the crystal control or frequency to the circuit. The frequency generator will see that has Designs commonly used in an electronic circuits, specifically the digital […]

Jumbo digital clock using simple CMOS ICs

February 15, 2014, 7:51 pm

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This is a Digital clock large size: 6 CM, cause can see clear on Very clearly in the range of 10 meters, even in the dark, because the display is easy to read numbers. This projects use all CMOS ICs that easy to buy in store than the Cheap Digital time clock with alarm circuit […]

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CD4069 inverter gate circuit

March 2, 2014, 9:24 pm

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A CD4069 consists of six inverter gate circuit in 14 DIP packets. It is made with CMOS technology so can be use on wide supply voltage range : 3.0volts to 15volts,low power consumption, high noise immunity: 0.45Vdd typ. And Low power TTL compatibility: Fan out of 2 driving 74L or 1 driving 74LS This is […]

CD4017 CMOS-Decade counter/divider

March 8, 2014, 12:26 am

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CD4017 CMOS-Decade counter/divider When we build the 10 LEDs running light for hobby. Often use CD4017 CMOS-IC. This really neat chip contains a counter and a decoder circuit, that can show a single output pin for each count from 0 to 9. And also use to build all kinds of timer, LED sequencers and controllers […]

Simple Tone Generator using inverter logic form.

April 15, 2014, 9:22 pm

≫ Next: Simple Two digits counter using CD4026

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We use a simple oscillator circuit in very many projects. I like to use a inverter logic gate since it is easy and cheap. But we do not use it directly. Mostly I use IC4011 nand gates since includes for separate four positive logic nand gate on a single silicon chip. Enough for general use […]

Simple Two digits counter using CD4026

April 18, 2014, 11:33 pm

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This is a simple two digit counter using CD4026 as main parts can display with LED 7 segment 0-99 number There is a reset button to restart. It can be applied to, for example, counting products, counting people into the library, and more. The working principle As circuit in Figure 1. The IC1, IC2-CD4026 4026 […]

Rising-edge trigger R-S Flip Flop circuit

December 3, 2014, 12:47 am

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The normal R-S flip flop circuit include of two nade gate are connected together and when need to set or reset then feed the logic signal is “1” instead trigger and use inverter work instead. In Figure 1 suppose begin state of both input is “0” and output Q is “1”, input of N1 will […]

A diode protect cmos circuit

May 13, 2011, 2:05 am

≫ Next: Know the characteristics of CMOS IC and how to use

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The CMOS digital circuit used to produce a osicillator, with pulse low frequency frorm. We use R and C are a lot of period time. it must have a diode to prevent current flow feedback. In picture the oscillator circuit, we use the CD40106 and 74HCT132.The D1 and D2 connected to the input terminal of the twin IC respectively.These diodes should be outside the IC, because if the diode within the IC, when too much current flow will cause the loss diode and IC too.

The post A diode protect cmos circuit appeared first on Electronic projects circuits.

Know the characteristics of CMOS IC and how to use

May 20, 2020, 9:59 am

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For maximum efficiency, reducing various problems well. Let's know the characteristics of CMOS and how to use it.

The post Know the characteristics of CMOS IC and how to use appeared first on Electronics Projects Circuits.

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Logical guessing game circuit Diagram

August 1, 2014, 9:14 pm

≫ Next: CD40106 Hex Inverting Schmitt Trigger Datasheet & Pinout

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This circuit is the logic guessing game circuit that uses the digital ICs as the base of projects. They are used for playing, with 2 players, the first will set logic, and second-guessing logic. The code in this circuit is 4 switches. If a player can guess the code exactly as planned, will have the […]

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CD40106 Hex Inverting Schmitt Trigger Datasheet & Pinout

March 25, 2025, 2:24 am

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Let's learn about the CD40106 hex inverting Schmitt trigger CMOS, its features, and its pinouts, together with a couple of example circuits. Read more

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CD4013 Datasheet | D Flip-flops | Example Circuits

February 12, 2014, 2:08 am

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The CD4013 CMOS logic chip contains two D-type (DATA) flip-flops. See its features, pinout, datasheet, truth table, and application circuits. Read more

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Schmitt Trigger Circuit using CMOS

April 12, 2025, 12:33 am

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Learn about Schmitt trigger using digital CMOS ICs, together with its hysteresis, substitution with a normal gates chip, and how to use them. Read more

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