By Cyrielle Marjolaine. Diagram. Publised at Sunday, November 19th 2017, 23:35:54 PM. If there’s something on a schematic that just doesn’t make sense, try finding a datasheet for the most important component. Usually the component doing the most work on a circuit is an integrated circuit, like a microcontroller or sensor. These are usually the largest component, oft-located at the center of the schematic.
By Madeleine Catherine. Circuit. Published at Monday, December 25th 2017, 12:47:39 PM. A single-layer or single-sided PCB is one that is made out of a single layer of base material or substrate. One side of the base material is coated with a thin layer of metal. Copper is the most common coating due to how well it functions as an electrical conductor. Once the copper base plating is applied, a protective solder mask is usually applied, followed by the last silk-screen to mark out all of the elements on the board.
By Cyrielle Marjolaine. Motor. Published at Monday, December 25th 2017, 12:27:21 PM. An ideal step motor would have zero mechanical friction, its torque would be proportional to ampere-turns and its only electrical characteristic would be inductance. Ampere-turns simply mean that torque is proportional to the number of turns of wire in the motor’s stator multiplied by the current passing through those turns of wire.
By Sasha Sara. Diagram. Published at Monday, December 25th 2017, 11:54:38 AM. There are drawing programs, and there are schematic capture programs. All schematic capture programs will produce output for inclusion in publications. However, these programs have different goals, and it shows. Rarely is the output of a schematic capture program really suitable for publication; often it is not even readable, or cannot be scaled. Engineers who really want to have a useful schematic drawing of a circuit usually redraw the circuit in a general drawing program, which can be both tedious and prone to introducing new errors.
By Cyrielle Marjolaine. Amplifier. Published at Monday, December 25th 2017, 10:10:23 AM. So at this point we have the signal and power grounds connected. Next is the chassis. There are a number of ways that we can accomplish this connection. The key thought is to maintain the shock protection while using it as an EMI shield. Sometimes it can connect directly to the ground at the input jacks. This was a fairly common practice in the earlier days of electronic equipment. These were also in many cases what I would consider lower fidelity equipment and things that did not benefit from three wire AC mains. I do not recommend this as there is the possibility of introducing the EMI noise from the chassis and AC mains earth ground into the signal path. Most methods of making the connection involve resistors, capacitors or rectifiers. I suspect all will work. My preference is for a parallel combination of a metal film resistor of about 120 ohms (1/2 Watt is fine) and a type X2 capacitor in the range of 0.1 to 0.22uF. Type X2 capacitors are rated for use with AC mains circuits. I have seen ceramics and polys used there but since they are not usually AC mains rated I strongly recommend against them. The capacitor and resistor provide sufficient isolation between the chassis and circuitry to allow the chassis to be an effective EMI shield but not induce the EMI into the active circuitry.
By Sasha Sara. Circuit. Published at Monday, December 25th 2017, 07:47:25 AM. First let’s understand the difference between these two terms. While electrical is the basis of everything, electronic is a subset of electrical. An electrical circuit deals with just the flow of electrons and has components like resistors, inductors and capacitors and uses Alternating Current Source; while electronic circuit deals with the transformation of current and controlling the motion of the electrons and uses Direct Current Source. An electrical circuit is termed as Passive because it doesn’t have any such component that reacts to the current/voltage that passes through them and electronic circuit is called active because of the additional components like diode or a transformer that react to the current/voltage that passes through.
By Bertille Solange. Amplifier. Published at Monday, December 25th 2017, 06:04:45 AM. As their name suggests, the main job of a “Power Amplifier” (also known as a large signal amplifier), is to deliver power to the load, and as we know from above, is the product of the voltage and current applied to the load with the output signal power being greater than the input signal power. In other words, a power amplifier amplifies the power of the input signal which is why these types of amplifier circuits are used in audio amplifier output stages to drive loudspeakers.
By Valentine Sybille. Circuit. Published at Monday, December 25th 2017, 05:39:30 AM. We all know about electricity. It is the flow electrons. Hence the word electricity is derived from the word electrons. A battery itself doesn’t work, if you hold it up in air, there would be no passage of electric current. Hence you need a circuit. In Simple terms an electronic circuit is a closed pathway for electrons to flow.
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