PIC Theory & Design
The following information was extracted from the September 1998 Electronics Now Magazine. The author of the article was Michael A. Covington. In Michael’s article he acknowledges the contribution of...
View ArticleELECTRIC FIELD DISTURBANCE MONITOR – Front End + Power Supply Circuits
This schematic is the power supply and front-end sections of the field monitor that is discussed in more detail at Electric Field Disturbance Monitor. (this link is off-site) <cut>The system can...
View ArticleElectro-meter circuit
This is a simple electronic circuit circuit.This meters electrostatic charge from any material such as plastic recognize, comb, etc.<cut> Up to 30 cm from the target material. To use this...
View ArticleSiren Circuit
This circuit is to generate sound siren when S1 is pressed and increate sound frequency because charged C1, S1 is released when the frequency decreated (discharging C1).<cut> Try to change, R3,...
View ArticleShort Circuits : CD4011
<cut>Short Circuits : CD4011 The CD4011 has four separate 2-input NAND gates which you can use independently and can use widely than 7400/74LS00. </cut>
View ArticleShort Circuits : CD4049
<cut>Short Circuits : CD4049 The CD4049 is HEX Inverting buffer which you can use ndependently. </cut>
View ArticleShort Circuits : CD4070
<cut> Short Circuits : CD4070 The CD4070 has four separate 2-input Exclusive-OR gates which you can use independently. Note : Alway should connect unused pin to VDD or VSS.</cut>
View ArticleShort Circuits : 4081
<cut>Short Circuits : 4081 The CD4081 has four separate 2-input AND gates which you can use independently but not widely as CD4011.
View ArticleElectronics timer by CD4060
This is an electronics timer by CMOS CD4060 which is CMOS 14 Stage Ripple-Carry Binary Counter/Divider and Oscillator.<cut> Output Qn is the nth stage of the counter, representing 2n, for example...
View ArticlePhase shift oscillator
Phase shift oscillator with NOT gate Phase shift oscillator can build from CMOS NOT gate.This is an example which use CD4049 CMOS .The output frequency is about 1/3.3RC ___Hz <cut> </cut>
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