Simple Bfo Metal Detector Improved Circuit Design

Simple Bfo Metal Detector Improved Circuit Design In the category Metal Detectors Videos more articles and learn more information about Simple Bfo Metal Detector Improved Circuit Design Reviews Price Specifications Features Image manuals videos Accessories All this in metal detectors for gold.

BFO-beat frequency oscillation method. The use of metal detectors two oscillators, including the head of the search coil. Frequency compared to the cursor and displays the frequency difference between the sound signal. Hardware circuit is simple enough, reel requires strict implementation. Operating frequency of 40-500 kHz. Simple BFO method requires only a few ingredients and work for the evening. Oscillators are designs using simple Colpitts BJT transistors. Today this method is popular in radio there are inexpensive devices. Or consider with direct measurement of frequency which was well executed on processors.
Parameter analysis of the oscillatory circuit signal amplitude for coil set up near resonance with that feeds from a generator. The emergence of metal in the area causes the coil or chime or away from it, depending on the type of metal, leading to the increase or decrease in the amplitude of vibration of coil. It is also designed as an amateur BFO, but found information about using serial devices to find treasures.

Simple Metal Detector beat Frequency Oscillator

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Simple Metal Detector beat Frequency Oscillator
I when I search the Internet for metal detectors, I saw a couple of the design but when not enough specific elaboration, BFO (beat frequency oscillator) using metal detectors two oscillators, and once you get the circuit components can be built in a few simple steps l.

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Simple Bfo Metal Detector Improved Circuit Design

Metal detectors-the electronic induction to detect metal objects in a neutral environment, i.e. soil, water, and wood walls and under clothing and luggage, food, in humans and animals and so on. Made the rapid development of electronics micro compact and reliable machines and very “smart”. Metal detectors, expanded, and other professional applications purely military, became the cover and entertainment, which includes the treasure hunt in the broad sense of the term.