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Electronics Circuit Application Blog


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This Blog show the Different Electronics Circuit Design, Application, Fields and Resources which could help students, engineers, professionals, and common people whose interest is in electronics.
2016-03-19 18:53
If you have a shortwave or high-frequency receiver or scanner that is struggling to capture signals with a short, whip antenna, and you'd like the kind of performance that a 60-foot 'longwir… Read More
2009-07-08 15:39
Commercially available hearing aids are quite costly. Here is an inexpensive hearing aid circuit that uses just four transistors and a few passive components. On moving power switch S to &ls&hell…Read More
2009-06-13 06:53
Particularly suitable for cellulite treatment3V battery supply, portable setDevice purpose:This is a small, portable set, designed for those aiming at look improvement. The Bio-Stimulator pr… Read More
2009-06-13 06:44
Stethoscopes are not only useful for doctors, but home mechanics, exterminators, spying and any number of other uses. Standard stethoscopes provide no amplification which limits their use. T… Read More
2009-06-13 06:31
Current generated flows through clips placed on the earlobes Output current adjustable from 80 to 600 microAmperesDevice purpose:Owing to the recent launching in Europe of Cranial Electrothe… Read More
2009-06-13 06:21
Device purpose:This circuit is intended to drive the various lights decorating the crib prepared during Christmas season at many homes in Latin Countries, especially for children delight, in… Read More
2009-06-13 03:53
How Levitation WorksIf you hold two permanent magnets close together, you see that one of them will jump strongly toward (or away) from the other. In 1842, Samuel Earnshaw expressed the perv… Read More
2009-06-06 05:36
This 3A charger was originally designed to work with small batteries like those used in motorcycles. In principle it can be used to charge car batteries also but will take a lot longer.The c… Read More
2009-06-06 05:19
After seeing other modelers building their model wings from plastic foam, I decided that I wanted to do the same. Building your wings from foam covered with 1/16 in. balsa can produce a stro… Read More
2009-06-06 04:09
Parts List:C1 = 100uF/63VC2 = 10uF/63VD1 = 1N5401/NTE5801D2 = LED (Red, 5mm)Q1 = NTE374/BD140Q2 = NTE123AP/BC547R1 = 120 Ohm R2 = 82 Ohm R3 = 10K R4 = 33K R5 = 22KP1 = 2K2U1… Read More
2009-06-06 03:45
The circuit shown here is that of the IC controlled emergency light. Its main features are: automatic switching-on of the light on mains failure and battery charger with overcharge protectio… Read More
2009-06-03 16:47
Precision Frequency generator 1 to 999 Hz Precision Metronome 1 to 999 beats per minuteCircuit Diagram:Parts:R1__________1M 1/4W ResistorR2_________22K 1/4W ResistorR3__________6K8 1/4W Re… Read More
2009-06-03 16:47
Precision Frequency generator 1 to 999 Hz Precision Metronome 1 to 999 beats per minuteCircuit Diagram:Parts:R1__________1M 1/4W ResistorR2_________22K 1/4W ResistorR3__________6K8 1/4W Re… Read More
2009-06-03 16:42
All-FET design Valve-like distortion behaviorParts:P1______________10K Log. PotentiometerR1_______________1M 1/4W ResistorR2_______________3K3 1/4W ResistorR3_______________2K2 1/4W Resist… Read More
2009-05-27 02:33
This is a very interesting project with many practical applications in security and alarm systems for homes, shops and cars. It consists of a set of ultrasonic receiver and transmitter which… Read More
2009-05-12 09:37
This is a four-channel temperature measurmet adapter that works without external power supply. It will suitable for measureing temperature and logging its data with a PC. The circuit diagram… Read More
2009-05-12 07:19
This is a simple capacitance meter which can measure capacitance value easy. There are some measurement methods for capacitance, at one time the capacitance was measured with a impedance bri… Read More
2009-05-11 02:36
This is an experimental work to monitor a spectrum pattern in radio band, and is a continuous project from Audio Spectrum Monitor. To analyze the spectrum of an input signal, I chose an Atme… Read More
2009-05-11 01:58
I have got a GPS module last year and I built a GPS data logger that records position data from the GPS module. The position data is output in NMEA-0183 format and store its sentence into an… Read More
2009-05-08 06:15
The MP3 players consist of only semiconductor parts and no complex mechanics. This is a great feature for electronics handicrafts because it can be built easy with the same performance as co… Read More
2009-05-08 03:01
Recently, most digital video equipments, such as video recorder, DVD player and TV game, have component video output. The component video signal is like RGB video signal, but it cannot conne… Read More
2009-05-07 08:36
A video test pattern generator will be needed when calibrate or test video equipments. To characterize system performance and understand it quantitative, wave form monitor, vector monitor an… Read More
2009-05-07 08:10
When measure video signal with oscilloscope, video line selector is very useful to find a scan line. The line selecter generates trigger pulse at selected line, oscilloscope will display onl… Read More
2009-05-05 08:51
This project fills the need of anybody who has a test instrument with the GPIB port and likes to get the screen dump on his PC without any GPIB card. It emulates the HP7470A operation on the… Read More
2009-04-29 04:51
The amp is based on the High Gain PCB, so uses a pair of LM3876 (or LM3886) power opamps, run from a ±35V supply. I used a cut-down P88 preamp PCB because I only wanted one preamplifi… Read More
2009-04-27 01:53
The circuit described on this page is a modification of the original Double Barreled Amplifier. The circuit has been simplified somewhat. The circuit board layout is smaller and much more co… Read More

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