Free electronic circuit design and schematic diagram
High-end audio equipments are normally digitally controlled by a a microprocessor (microcontroller) system. It’s necessary to have digital interface that provide control for audio signal switching, as well as programming the gain to control the signal volume. TEA6320 comes with the solution for digital control of audio source channel selector and volume control, very useful integrated circuit for modern audio […]
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A condenser microphone is different from dynamic microphone. The condenser microphone, the diaphragm is assembled close to a rigid backplate. This microphone need a battery that is connected to the rigid backplate and the diaphragm to charge or give an electrical potential between the metals. The response of diaphragm to sound is changed since the diaphragm change. The displacement of […]
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A dynamic microphone is an example of dynamic transducer. The principle of dynamic transducer is a movement of a thin metallic diaphragm because of sound wave. This diaphragm attach coil of wire. Based on Faraday’s electromagnetism law there will current flow caused by the motion of within the field. The motion speed affect the current amount that is produced by […]
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Triode for alternating current,TRIAC, is an electronic component that can control power in two direction in an AC circuit. The figure (a) shows the block construction and schematic symbol of TRIAC. The TRIAC is operated like two SCRs in parallel connection in opposite direction like shown in figure (b). Here is the figure of TRIAC: A TRIAC can be triggered […]
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Silicon Diode for Alternating Current, SIDAC, is a multilayer silicon semiconductor switch. This component is triggered by voltage and can be operated as bidirectional swtch. Usually, this SIDAC is used in cheap high voltage power supply or ignition circuits. Figure below shows SIDAC block construction, schematic symbol and geometric construction : The SIDAC has leakage current(Idrm) less than 5 µA […]
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Diode for alternating current is a trigger diode which conducts current only after the DIAC reach the breakdown voltage. The breakdown voltage of DIAC is 30 V. It has construction like an open base NPN transistor. The DIAC can be used in many application such as motor speed controls and light dimmers circuit. Figure below shows the DIAC block construction, […]
Read moreThis is tire pressure monitoring System video. This video explains what is tire pressure monitoring system and how it works. Tire pressure monitoring system (TPMS) is safety system that shows the pressure of the tire in real time, so the driver can see the condition of the tire. Here is the video: The pressure monitoring system device is placed inside […]
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