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257 Threads found on edaboard.com: Two Inverter
Hi everybody, im new at this forum, sorry for my english, ive been trying to find information about how to generate the patters to commutate a asymmetric cascaded 7 level inverter exponent two and implement it in the PSIM software with modulation strategy based on carriers and a reference, since the inverter has to generate 7 levels it (...)
Normally the two complementary transistors in a basic CMOS inverter gate are in a one or zero state where one transistor is ON and the other is OFF. Thus the only current drawn is the leakage current through the OFF transistor, which is very small. However if the input gates are allowed to float, they may go to an intermediate voltage that allows
Hi. I am a digital backend engineer, and have no much understanding about CMOS transistor. I read a book these days and found it said "the resistance of pMos network should equate that of nMos network, in CMOS transistor". like a inverter, the pMos should be nearly two times width than nMos, to make their (...)
I have two 3-phase inverters. One is from Semikron (with IGBTs, rated 600V, denoted as Semikron-inverter in this post). Another one is a home-made prototype. The schematic of the home-made prototype inverter is shown in Figure 1, while its physical layout is shown in Figure 2. The specifications of the power switches (...)
Hi i am very new to the cadence virtuoso layouts . I am trying to make a 6T SRAM layout . The schematic has two coupled inverters . I have recently added the Nangate 45nm layout in which it has already a inverter layout, so i am trying to use the create instance icon to place the layout of the inverter. when i am trying (...)
Can anyone give: 1. The voltage equation of an electric generator 2. The phase equation of an electric generator 3. The frequency equation of an electric generator and if I want to parallel two generator and want to see the results then what I have to do and what will happen to those equation? Will there be any change li
I am trying to understand the behaviour of a transformer under a fault condition. The transformer feeds a fault (three-phase bolted short for example). The supply to the transformer is an inverter. the inverter may fail in such a way that the inverter DC circuit effectively connects across two phases of the transformer. (...)
It is like building a tree. Start with the truth table to define the structure. E.g. use the MSB(A5) to enable the first two 2-4 decoder driven by A4 and A3. This gives you 8 times the enable for the eight final 2-4 decoder(using A1 and A2). You might need inverter if you use a decoder with only one enable. Enjoy your design work.
P-type operates on the opposite polarity as N-type. Did you invert the gate signals? Assuming you have a bridge arrangement... The two N-mos must not get simultaneous highs at the gates. It can short-circuit your power supply. The N-type uses a gate signal referenced to its source terminal. The source must be at a definite lesser volt level than
That’s a Royer converter, this circuit is an auto-oscillating resonant using two transistors in push-pull configuration to provide a symmetrical more details read here:
Dear all, I need to design a differential ring VCO. The criteria is duty cycle should be 50%. I have tried to design that by connecting two current-starved inverter ring in parallel and initializing the two ring to VDD and GND respectively. It oscillates differentially but the problem is duty cycle is not 50%. Please help!!!
Hello, They have a transformer, but they use a two stage approach. First they convert 12VDC to about 350VDC. This is done at around 100 kHz, so they use a ferrite transformer (small, low weight). You need the transformer for isolation.. Second, 230V AC is made via a full bridge circuit driven from the 350VDC. They use PWM to get true sine w
This is not a differential stage, this is just like two inverters in parallel. So you effectively have 2 3-cell single-ended-inverter ring oscillators rather than one 3-cell differential ring oscillator. I dont think you can obtain the intended functionality without spending constant bias currents.
Connections of lower side drive are wrongly connected. It should be like of upper side. Collectors of all four transistors are connected together and are connected to one side of transformer winding.Similar should be for other side. Bases of two power transistors go to emitter of driver transistor. Although it will work but it is not efficient. Tr
Hi guys, I want to design a 24Vdc-240Vrms system that will use a Forward Converter (dc-dc) and an H-Bridge inverter (dc-ac), but I?m confused with the grounds. The Forward Converter has a transformer in the middle that technically divides the circuit in two, providing different grounds. So my question is: can I connect the two (...)
dear all, greetings, could anyone tell me how this is circuit works? and what i need to do in order to make it works for 220v/50hz output i will use it to control 75 watt ac motor. thanks NOTE: THE component mentioned below are for 120v/60 output. Components list: Part Total Qty. Description Substitutions C1, C2 2 68 uf,
That is a great talking thanks alot to all of you. First of all this is not an inverter. The current can be around 200 mili amps. I did not need too much power. As I said the circuit will be powered by battery. I think the circuit will have two parts. One is a sine generator this can be a microcontroller based or a wien bri
You can check output power devices because in most cases they are first to get destroyed. BTA06 is a 6A, 600V triac so it is controlling high voltage ac, similar to mains. There must be a high power inverter for generating ac for appliances. there are two devices with MOC4041 optocoupler, ma
As Vdd is connected with 5V, not 12V in your schematic, its ok for logic level operation. Most probably 5V supply to avr and Vdd of IR2110 are common, its good. Your circuit should work. Set duty cycle of PWM correctly. Is your load connected between two common nodes of FETs
hello frens, buffer is nothing but two inverters combination..then what makes the difference can u plz help s urgent (Voltage) buffer properties: Very high input resistance and very low output resistance and unity gain. If you speak about opamp realizations: inverters have o