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Archives for May, 2012

Earthquake Detector

Earthquake Detector Biased photodiode, Earthquake Circuit Diagram, earthquake detector, frequency counter, optical receiver, Oscilloscope, plane miror, two frequency laser  

GPS circuit diagram

GPS circuit diagram GPS circuit diagram gps signals, constant, control words Test Range Monitoring Applications Detect , analyze and Geo-Locate available all of the circuit diagrams

STK078 circuit power Compo audio

STK078 circuit power Compo audio

Radio Circuit

Making Radio Circuit Here there are a variety of radio series that you can compare, where appropriate and the most perfect.  In a radio receiver must know about the advantages and disadvantages of the radio series and types of components used. R1     100KO R2     2.2KO VR1     50KO D1    LED C1    […]

Balanced Microphone Amplifier circuit

Balanced Microphone Amplifier circuit using TL072, 1N4004, 1N5819

Practical Application – Intercom Circuit

The simple switch shown so far can be used in simple audio applications. Here is a simple “all-master” intercom circuit that steers an audio amplifier towards one of several distant receivers. All units shown are identical and are connected to the same multipair cable. One battery powers all units. You press the button corresponding to […]

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