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Hi, Do you agree that the LLC converter would be more efficient for the above case? Consider synchronous rectifiers in each case. The Buck would be a Dual cascaded Buck so that Duty cycle was not too small?.also, the cascaded method means the downstream buck, that carried most current, can have a lower voltage mosfet with lower rds(on). Wha
On page 9 of the book ?Power supply design, Volume 1 Control? by Dr Ridley, he states that a Full Bridge converter is good for power levels from 200w to over 5000w. Most places where I have worked would usually say above 1000W means a resonant converter is really needed. If anything, it is said that this is because the noise of a hard switched c
what do we mean when we say "current adds up in phase"? for a wire antenna, there's already a current arises from feed source and it causes antenna to radiate, then why we emphasize 'adds up in phase'. It sounds like we use a second source to increase the radiation. Doesn't it?
Dear, i will be grateful if anyone can send me the matlab code for using Method of Moment technique to find out s11, directivity and gain of dipole antenna. Thanx
my current starved vco oscillations are dying out after some nanosecond. what could be the possible reasons? and how to rectify it?
Hi everyone, As part of the course i took in analog circuit i required to design an amplifier with these values: Rin= 52kohm Rout = 53 ohm A=35 gain in db F-3dblow = 400hz F-3dbhigh = 400khz M1= 40db/dec M2 = -20 db/dec Dc supply voltage are : +5 v , -5v Transitors are ntype BJT My idea was using a simple CE amplifier with 2 resis
hi all right now am designing three phase protection circuit for that i planned to measure the voltage using resistor net work method, herewith i had attached my circuit and my volt measuring code, everything working good but in sometimes the R phase connected to AN0 pin shows high reading, kindly go through my code and give your valuable sugges
Hi, The ckt as as draw as attached, is a auto/manual control panel board for pump-motor and trying to configure to run with MCU control auto operation and manual (with start/stop button in board). With the panel here i have included 2 nos relay: Relay-1, NO, parallel connected to START BUTTON and Relay-2, NC, series connected with STOP BUTTON for
Anyone designed with Oceane?
How does the shunt tripping module for MCB works. Has anyone disassembled one
Hi, I have designed a temp controller. The temp from the sensor is measured and amplified. I have an relay in my circuit. The relay is connected with the Analog port, but in different pin. Whenever the relay gets turned on the ADC value gets increased. The voltage reference is same at all instance. The chip i have used : Atmega3208.
hai i have watched a video that display a circuit 1.5 to 220v ac inverter is it true plz must ans me if its
Hi all, I'm working on a design that draws power through USB but needs about 1.5A of current at 5V. Hence I'm exceeding the 500mA limit and need to "negotiate" a higher current from the source. I've read various pieces of USB documentation and I understand a small microcontroller would be the way to do this properly. I'm looking for a solution t
I have a VCVS instance in my schematic design. I can't find VCVS in layout after generate from schematic because there is no VCVS PDK in layout. How can solve this problem? Thanks. Attached is VCVS symbol in schematic.
Hello i am using the two stages amplifier shown bellow into the transimpedance feedback system shown bellow. if the system shown bellow i have miiler capacitor and feedback ressistor how do i break them into the system shown in the end? Thanks. 157371 157372
Hi, Regarding tethered drones such as the LIGH-T 4, which is rated at 1.2kW?. Do you know what voltage the BLDC motor inverters are likely to take?...presumably a lot more than a battery powered drone? Also, do you know what is the kind of power ranges that these tethered drones te
Hello, Is it possible to do circuit HFSS cosimulation when I am planning to use floquet port for unit cell of metamaterial structure part simulation. Thanks
I need help with NIMH Button cell battery I want to Trickle charge this battery for 5 years on my smoke detector alarm stand buy current is 40 mA here is my schematic /circuit I use this is my calculation please tell me if I am right on my calculation 10.4 volt /8.4 volt =2 volt/ 1k8 resistor =1.1 mA Please advise me if you can Thanking you in
Hi guys, I have a schematic of OTA amplifier: 157362 I want to know the W and L that were used to design this OTA. I don't have more information other than the ones provided in this picture. since all transistors are in saturation, I thought about using the saturation current equation to find (W/L) ratio. by assuming
I need a max of 40v and 8a to power my drop down variable power supply. I have old microwave transformers so I removed the secondary and rewound it with 14 gauge wire. I now get 48vac and when I use a bridge rectifier it brings it down to 40vdc. I tried to test amps by hooking up my tester (rated at 20amps) and only succeeded in burning up some jum