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nobody is going to do your work for you. We will help out with specific question, but we won't write code for you. I suggest you do one of the following a) tell your boss you need help b) study more c) hire a consultant to do the job d) post the same question on stackexchange and have the notoriety of a post with a -100. ;-)
nobody asked "at which frequency??"...
Without any useful information other than symptoms, nobody is going to be able to suggest anything helpful. Things like who makes the fan, documentation, wiring diagrams, photos, etc... At least something more than two sentences (that contain very little information). Like there is no description of how you injected dc into the fan.
-60dB is 0.1%. -90dB is 0.003%. Few people can hear 0.1% distortion in music but a sinewave sounds a little like a buzzer. nobody can hear 0.01% or less. At fairly low frequencies an OPA134 audio opamp has 0.00008% distortion. A TL071 audio opamp has 0.03% distortion. A 741 or LM358 ordinary old opamp has about about 3% distortion.
nobody can help you with just scarce informations and a diagram at the size of a postage stamp :roll:. Show what you have, what you tried, what you expected and what you got instead. It won't work if you are not willing to invest at least a little of your own sweat.
nobody knows , that's still bother me.
nobody is going to do your homework for you. If you have a specific question then ask that question, instead of asking someone to help you.
Start with + input, the easy one. VIN+ = 2.5V*(100k/(25.9k+100k)) = 2.0V. Now ignore R2 since nobody's telling you input bias current. Though depending on op amp this could matter slightly. VIN- must equal VIN+. So now I(V1) must equal (2.0-1.3)/23.7K or 29.5uA. This must also be the current through R5, to 2.0V (on VIN-). So VO=2.0+29.
What is the reason? Please help me. If you do not have the uptake to realize that without presenting any code or picture nobody can help you, you will hardly note that there are other ways of debugging the program, such as systematically identifying what is and what is not working ( communication, display, etc... )
Neither; usually they're fairly lousy regulation (if any). nobody cares since they only have to charge the battery without burning it up (and the phone has some smarts about that, inside). But I have used many of them, with some added filter caps and a 3-terminal regulator, to make low cost (wall wart is free when the thing it powered, died) powe
I certainly hope nobody does your homework for you. Next time why don't you just say "Take my class for me and do my homework for me, so I can go do something I consider more important" :-)
This is not a Cadence issue. It's a PDK issue and any answer comes from the foundry, what they chose to model and check. They might set an arbitrary limit where they think "nobody (sane) would ever..." but that's some misplaced faith. Get the PDK. Read the rules. Your answer will be there, somewhere.
It's all about transition density, and gate by gate this is widely variable. Clock tree vs total, that's architectural. How much is always-clocked registers / FFs, how much is gated- clock, how much is combo logic? nobody's answer will be the same as yours, unless their chip design is the same as yours. Assessing the similarity of basis, for any
For analog blocks low voltage is "what you do because you must", not "what you want to do for analog quality". Ability to integrate trumps ultimate performance. Of course running off one cell or less, for a very long time has value in things like hearing aids, low-maintenance remote devices (IoT) and so on. nobody wants a +/-15V, 10mA op amp in
Not only finite (and unbalanced) switching times in the logic, but comparator rising / falling delay asymmetry can cause race conditions which turn into output glitching. In the larger picture the flash ADC data would be registered (nobody likes to work with unstable data) and the trick is to ensure that the strobe avoids the hazard regions. Thi
Most 18650 Li-ion cells do not have protection circuits built-in but some do. The protection circuit is usually in the laptop battery circuit, not in each cell. ebay sells mostly fakes and manufacturer's rejects. nobody makes an 18650 cell with as much as 6800mAh, it is probably 680.0mAh instead. One video of a fake shows a tiny 68mAh Li-Po inside
I see nobody responding so I'll suggest that while you're waiting, you find a copy of the design kit docs and find the mask levels descriptions and groundrules that pertain to this layer. That ought to be what anybody who uses the process, would be regurgitating on your behalf.
If you ask a power supply designer, +20% design margin on power switch voltage handling will get you only scorn. If this is a school project then maybe nobody will notice. Anyone whose reputation is on the hook for using your product would insist on more confidence I expect. And a die that nobody buys has pretty lousy manufacturing economics no ma
Probably the value in a timer but without the code nobody can tell you what and where it needs changing. Brian.
nobody knows the answer to you question? May I hypothesize? It seems that antenna is not isolated port but input, LO is another input and the other two ports output sum and difference of the two input signals. It seems that way by looking at diagrams for rat-race coupler published on
I have a small looseleaf book. One website per page with username and password (about 50 total). Since it's a bother to get it out every day, I made a similar text doc in English, in the clear. (nobody but me is in this place.) For a while the doc was named 'my passwords 2015-05-22.txt', but one day I decided that would make it too easy for a burgl
nobody sells a "3.2V" white LED. Some will be 3.0V, some will be 3.2V and some will be 3.4V and you do not know the voltage of your LEDs unless you test then sort each one. That is why we use a supply voltage that is high enough that low voltage LEDs and high voltage LEDs use almost the same current from the same resistor value and look almost the
nobody can answer such a broad question. Consider you need several motors, battery, some kind of gyro to provide balance sensing, a receiver (and possibly transmitter) and a computer to tie it all together. Then you need the frame to mount it in and of course a remote control system. In my country it would cost many times more to build one than to
why do people keep posting these horrible ideas. nobody uses discrete transistors anymore for amps. Go to mini circuits, pick out an amplifier integrated circuit, and use THAT instead. I mean this is not 1990
nobody makes a "silicone" transistor because silicone is a synthetic rubber. A transistor is made of silicon, not silicone. The germanium transistor is missing a resistor from its base to its emitter to turn it off enough that its collector to base leakage current is not amplified by it.
nobody makes an NDT2955L, but they make an NDT2955NL. It is spec'd to work well when its gate-source voltage is as low as 4.5V but some of them barely conduct (250uA) when at the threshold voltage of 4V. Buy a few thousand of those Mosfets and test them all. You might find one or two that work at a little less than 4V.
nobody makes one like this because it wastes a lot of battery power making heat. You can make a simple 50Hz or 60Hz sinewave and feed it to an audio power amplifier that drives a voltage stepup transformer. The proper efficient way to do it is make a complicated Pulse-Width-Modulated circuit.
check with manufacturers planned obsolescence schedule. that chip will be used in high volume right up to the day it goes obsolete. it was too popular so now its used a lot and nobody will re-design their product to use some other until that thing goes obsolete.
I haven't looked at Saber simulator in decades, but at the time it was one of the least-compatible-with- anything simulators going. nobody liked it who looked at it (although the Saber illuminati were showing some better than SPICE behavioral modeling capability, back when SPICE was SPICE and no support for AHDLs there). Here's a question. Can yo
Hi Friends I am using viterbi decoder 7.0 with punctured data rate of 3/4. I depunctured data and also generated erase signal according to the IP datasheet but i am not getting output can anyone tell me how to solve it? By debugging? nobody here can debug it, we don't have your PC with th
Hello, Do you know how many it was, or where I can find out this number? i put it to you that there is no way to find out, because nobody wants to admit how only 100 people who are uk citizens enrolled for electronics degree study last year..true?...its what I have heard
Probably so. But TSMC owns it and nobody who's got it by signing their paperwork is allowed to redistribute it. So go talk to TSMC. Or maybe some outfit like MOSIS, if this is on their menu.
nobody could convince me to switch to Win10. But one can save images on any reliable formatted drive without reformatting. Two drive image backup is safer.
A wireless charger made for a product has a budget to determine its price. If it is very powerful then it could charge a battery in a few minutes but it would be so big and expensive that nobody would buy it. So they make cheap wireless chargers that take many hours (all night?) to charge a battery.
I eat viruses for lunch and rarely get any unless I get careless on downloads. I also never use any AV suite on any version of windows since XP to Win8.1 ( nobody will convince me to use Win10) A simple adware cleaner which gets some trojans is called ADWcleaner. quick and free. A comprehensive trojan cleaner is combofix.exe which also resets som
LED current and pulsed versus DC operation will be commanded by your application. nobody can answer the question without knowing your optical design. We can guess that modulated light (=pulsed LED) may be preferable because it's a way to get rid of ambient light interferences.
Looks like a valid option if you don't need high accuracy. Rectifier reverse recovery charge is obviously a limitation. Why is it that none of our competitors is doing this? Means you didn't yet notice a secondary AC current measurement in a battery charger. How can you be sure that nobody uses it?
I don't understand your signal questions. To change the board, go to board layout mode (press 1). From there, there are several options under "Design" for modifying the board. You can also try using Altium's crummy online documentation, but I find it easier to just search the web. nobody can tell you what "proper" trace size is; it depends on y
nobody can answer that question without knowing more about the VFD input. There will undoubtedly be some voltage drop but it may be insignificant. Find out the VFD input resistance and treat it like the lower resistor in a potential divider with the 1K as the upper resistor. Brian.
Hee, hee. When I was 14 I made chasers with neon light bulbs and 90V batteries and potted them in clear plastic. They looked good and worked well. Then the first one BLEW UP and made a big mess, luckily nobody was injured. I told everybody I made them for to get rid of them. They had no vent holes.
My mains voltage is always stable and never changes. nobody here has ever seen or used a voltage stabilizer. What is wrong with your mains electricity for it to need additional voltage stabilizers? Why is it not fixed?
Why are you worrying about such low distortion that nobody can hear? Maybe you can hear distortion as low as -60dB but probably not lower.
The James Randi Educational Foundation has offered for many years a one million dollar prize to anyone who could successfully demonstrate supernatural powers, perpetual motion, etc. under controlled conditions. Although many people applied for the challenge, nobody actually managed to pass the preliminary test phase of their claims.
Kind of an emergency situation here. I am with a band and the power supply to the electric keyboard died last night. They have a gig tonight and nobody sells replacement power supplies locally. I am wondering if we can find another 12VDC 3.5A source (assuming unswitched) if that will work with the keyboard or if there is risk of damaging the k
Hello friends, I am open this thread nobody help me, I have a bus pirate v3.6 but I am noob this type of things, I am the hardware guy. I am examine the MN101EF31G Lsi User Manual (datasheet) and I confused the understanding register table. Some bits are "reserved = always set 0" I am understand
Searching quite a bit for the manufacturers specification would have revealed that these are industry standard 10-turn potentiometers. Of course nobody can tell about the state of a used product. I also don't know about the general quality of the chinese manufacturer. The price is nice.
nobody talked about Spartan 6 before. What is it, a simulation program used by hardly anybody? Or is it a micro-controller? A speaker must be driven with a power amplifier.
Maybe someone should point to an article describing that nobody bothers with Karnaugh diagrams when they can just use a synthesis tool to map the logic function onto the primitives at hand. I am all for some theoretical insight, but they (the learning institute) would do better to flush the time spent on Karnaugh diagrams into lets say linear algeb
Hello, I am trying to implement an I2C interface. SCL and SDA signals are on high('b1) state if in stop/inactive state. How can i model the same? Later if i want to drive 'b0 or 'b1 from the driver, it should not throw error. And if i am not driving any value, it should go back to high('b1) state Please explain what is 'pullup" premitive a
nobody can tell without seeing the code. No attached file.