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Using the SG3525 PWM Controller - Explanation and Example: Circuit Diagram / Schematic of Push-Pull Converter

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PWM is used in all sorts of power control and converter circuits. Some common examples include motor control, DC-DC converters, DC-AC inverters and lamp dimmers. There are numerous PWM controllers available that make the use and application of PWM quite easy. One of the most popular of such controllers is the versatile and ubiquitous SG3525 produced by multiple manufacturers – ST Microelectronics, Fairchild Semiconductors, On Semiconductors, to name a few. SG3525 is used extensively in DC-DC converters, DC-AC inverters, home UPS systems, solar inverters, power supplies, battery chargers and numerous other applications. With proper understanding, you can soon start using SG3525 yourself in such applications or any other application really that demands PWM control. Before going on to the description and application, let’s first take a look at the block diagram and the pin layout. Pins 1 (Inverting Input) and 2 (Non Inverting Input) are the inputs to the on-board error amplifier. If you a...
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S.I & C.I ENGINE DEFINATION,What is SI and CI engine? What is the meaning of CI engine? Which engine is more efficient CI or SI? How does a CI engine work?

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S.I & C.I ENGINE DEFINATION        **  S.I Engine                       S.I means spark ignition engine,and these engine are also called petrol engine, these type engine have a spark plug for sparking the air fuel mixture on cylinder,each cylinder have a one spark plug some engine have a two spark plug these engine name is (DTSI--DIGITAL TWIN SPARK IGNITION ENGINE) engine.      *** Petrol engine are more smooth because petrol fuel ignition capability is too much high, easy to burn the air fuel mixture🙂          MPFI-- Its a four cylinder MPFI engine. ** C.I engine         C.I engine full form is Compressed ignition engine, and it is used in Diesel vehicle, it's work on "compressed air" and "pressurised fuel" for firing in each cylider., Compressed air and pressurised fuel use because dielsel ignition capability is low,this why it's need a turb...
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Addressing Modes of 8051

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What is an addressing modes ? In short ,a way to addressing a operand is nothing but addressing mode. Operand means data on which we are going to operate i.e source data. We can address the operand using direct address or by using register or we can address the data using some numerical value etc. e.g. MOV A,#6BH In this example 6BH  is operand i.e. source data. After execution of this instruction 6BH is added to the accumulator.We can execute this instruction by using 5 different ways i.e we can use 5 different addressing modes to execute this instruction. Following are the different type of addressing modes.  Immediate addressing mode   Direct addressing mode  Register addressing mode  Register indirect addressing mode   Indexed addressing mode. Immediate addressing mode : As word indicate 'immediate' this addressing mode transfer 8 bit immediate data to destination . e.g MOV A, #6BH This instruction moves immediate data hex 6B to accumulator. I...
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