CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. Copyright © , Texas Instruments Incorporated. The basic building block of the circuit made around a very well known IC CD which is a hex inverter. This can be constructed, with the. the inverter CMOS digital IC datasheet is IC Hex Inverting Buffer IC, to design the Square wave oscillator generator circuit diagram.

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Latest posts by Frank Donald see all.

A speaker is commonly used Ce4049 you please be specific re the frequencies — I need a variable range of 1. Light detector using LDR and astable mode of timer. Connect two in series to make a non-inverting buffer.

CD – Hex Buffer, Inverter

This circuit uses a simple battery to power the light and also built with a auto shut-off. The circuit we use a little equipment, just add a resistor dd4049 capacitor are the only one, It uses less energy. So, apart from homes, it can also be used shop and banks.

It can also used as a cd0449 measure against vandalism. The square wave oscillator circuit consist one resistor and capacitor and IC with it. Touch switch using monostable mode of timer IC.


The Maximum power supply must not exceed 18 volts. Skip to main content. Quote and Order boards in minutes on https: It can also be useful in making various fd4049 like simple LED torch light, Automatic Street light, magic eye, and automatic guest detector at home door.

Just install this at the bottom of the door and whenever a person would arrive, his shadow will fall on the circuit giving an indication that somebody is present on the door without the knowledge of the visitor. Frank Donald March 3, 0 Comments. Submitted by webmaster on 26 December It is used for interfacing and to make simple clock pulse generators and oscillators.

Magic Eye Circuit Using 4049 IC

This under cupboard lighting circuit will be a great alternative for traditional torches and also proves to be cost effective among all other lighting systems. The input-signal high level VIH can exceed the VCC supply voltage when cf4049 devices are used for logic-level conversions.

I need to build a circuit contain a crystal oscillator square wave with To understand the working you cs4049 know about the truth table of NOT gate which is: But as soon as shadow falls on LDR, its resistance will go high.


Video games, blogging and programming are the things he loves most. When an electric signal is applied to the input pin of speaker, it generates sound waves. The frequency determined by the resistor R1 and capacitor C1 can be obtained by the formula ccd4049 Notify of all new follow-up comments Notify of new replies to all my comments.

Abdelmoniem Mohamed Abdelaty 18 Dec Reply.

Hex Inverter Buffer IC pinout, Features, Equivalent & Datasheet

Interface SD Card with Arduino. Interface GPS with Arduino. Pls i will need a help in building my own inverter.

What is Web Browser. Previous Post Basic pulse generator using op amp IC And rest of the inverters in the CD IC are connected parallel together for lighting the lamp connected to cd409 circuit. In the absence of light, LDR exhibits a resistance of the order of mega-ohms which decreases to few