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112 Threads found on edaboard.com: Multiple Input Multiple Output
I have many paths that start at an input pin, goes through combo logic, then to an output pin. What complicates things is that the input can fanout to a flop as well as an output. Also the output can be driven by multiple sources (flop, input) via a mux (...)
Suppose I have gate A whose output drives two gates B and C. The wire length from ouput of A to input of B is 50um and the wire length from ouput of A to input of C is 100um. Will the wire delay same for these two cases? In EDA tools, delays are calculated for a net. Since output of A and inputs of B and C (...)
Your bandpass amplifier has its (-) input floating high since it has no DC connection to the output of the opamp. Your bandpass amplifier has VERY gradual slopes and is almost useless. I simulated it with a single input instead of your differential inputs and my opamps have a dual polarity supply to simplify biasing. You (...)
Hi, I'm having difficulty verifying my test for measuring Noise Figure of an assembly using a spectrum analyzer set for noise spectral density. Essentially I'm trying to measure noise figure by loading the input to 50ohms, having the device on (with LOs) and measuring the NSD at the output. I can measure NF by knowing the thermal noise at the in
When i change the ADC Clock (Clock Divider from 4 MHz to 44.1 KHz ) i am unable to hear anything . Why is it so. The test bench shows that the ADC clock is divided to 44.1 KHz but its not giving an on board output. Suggests you start reading the ADC datasheet. It's quite obvious that the ADC clock input must be a multiple (...)
AC Analysis in any SPICE Type Simulator is SIMO(Single input multiple outputs) Analysis. So do AC Analysis for your purpose. On the other hand, if XF Analysis exists in your SPICE Type Simulator, it is MISO(multiple inputs Single output) Analysis.
A while back the owner of an electronics shop I frequent gifted me an old pcb for a power supply he had laying around, because he had no use for it and he wasn't sure where it was from either. Since then I've tried and tried to find the proper specifications of the machine but to no avail. The PCB takes 8 inputs, 1x 9V AC, 3x 10V AC, 3x 16V AC
If you noticed IBIS file, there are multiple pins that map to same model definition. The model type may be input, output or IO. Suppose pins 1 to 5 map to model "xyz". The translator would create one model for "xyz" with 3 pins (assuming it is IO type). You would need to use this model 5 times in your design for the 5 pins. (...)
input filter ESR plays into wallplug efficiency and you may prefer multiple parallel lower value caps for this. In a simple buck your output current runs into the cap for the output-low period and out of it for the high phase, always scraping across the resistance one way or the other for a loss term. You (...)
I found a web site gives pwm generator with multiple phases output ,however it is supposed the pwm frequency is given , what should I modify the code so that any pwm frequency can input to the vhdl code
I have implemented a booth multiplier, and now I want to convert it to a variable cycle (Variable latency) multiplier such that the number of cycles taken to produce an output depends upon the type of input (perform multiple bit shifts to skip over runs of 1s or 0s etc) How can I do this?
The question: How many SPI data inputs can I drive from a single shift register's serial data output pin? I figure that they're likely to be high-impedance inputs, so the loading should be minimal. But the data output pin is not meant to source much power either. I didn't see anything in this datasheet concerning this sort of h
(transport mode allows multiple pending transitions on an output)
The folded cascode has a higher gain than that of simple amplifier, but its gain is little lower than that of cascode. As far as I remember, the main idea of the folded cascode is that the input and the output common mode points are equal. Why do we need such a thing? in case you are designing multiple stages (cascading) in (...)
So I have been looking for way to send multiple analog signals through a Fiber Optic (FO) link. I need to have a sampling >= 10 MHz and >= 12bits of precision. I was told that a serial output ADC and serial input DAC is the most FO friendly way of going about this. Just to make sure this is similar to using say a (...)
You could use the multiplexer , and use the micro to average them. Or you could feed the signal levels into a summing amplifier and then divide the output back down again to get the average without any computing.
Hello, For an FFT processor with N stages, I saved all the twiddle factors in one block ROM(which I think would be efficient than having multiple slices of ROM for each stage, don't you think? ), after reading one big file. Now, since the twiddle factors should be fetched in parallel for different butterflies working simultaneously I need a MUL
i really need help with matlab code to create a basic 2x2 mimo system. I am a noob so please explain thoroughly. and i would also like to know how it can be changed to simulate a 4x4 etc. it doesnt need rayleigh fading or any noise as of yet. Just a basic mimo system. Thanks
Although the feedback compensation can be optimized, you'll should be aware of a transient output response when switching the load. My main concern would be that voltage control of multiple LEDs is far from optimal control. I would go for individual current amplifiers and all signal switching on the amplifier input side.
I have few doubts on reset-polarity. Please share your thoughts. 1. Can there be multiple polarities of reset feasible in a design? 2. If Flop (F1) output is reaching another Flop (F2) via a inverter, will such situation be consider as design with multiple reset-polarity. assuming reset (...)