Re: Possible reason for H.264 Encoding error
Hi Ashwin, I am using a customised board from other vendor.I am following the example from H264_MP_Encoder_Developer_Guide_Rel3.0.0 and it appeared to fail more frequently at zero degree.CORECLK...
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MDAC output V-I + current buffering?
Although it might seem the question is centered around an MDAC, there's more analog content than digital I think. I'm feeding a 10Vp-p signal into an MDAC, the output is converted to voltage using the...
View ArticleRe: ADV7281 I2C config
Hello, I've asked an expert on this part to come comment. Most likely you have a very basic hardware problem. Dave
View ArticleRe: High Side Current Sensing or Differantial Amplifier Vs Difference Amplifier
See: http://www.analog.com/library/analogdialogue/archives/42-01/high_side_current_sensing.html Harry
View ArticleRe: EVAL-ADIS C/C++ Driver or Source Code Libraries
I just wanted to check back in on this. Look forward to hearing how this works for you. Best,NevadaMark
View ArticleRe: choosing ADXL346 interrupt ??
Hiaccording to the datasheet SINGLE_TAP bit is set when a single acceleration event that is greater than the value in the THRESH_TAP register (Address 0x1D) occurs for less time than is specified in...
View ArticleRe: IRQ0 Interrupt issue - ADSP21489
Hithe issue solved - i miss the nop needed because of the cache freeze.Page 4-88 sharc processor programming reference Itamar
View ArticleRe: SPDIF ADAU1445/6
SPDIF out sends only two channel, for rest channel You must use external circuit like WM8804, DIT4096 connected to serial out interface of ADAU.
View Articlethe selection for an isolated gate driver
Hi there.I'm lookinging for an isolated gate driver and now checking the ADI's webpage.But I could not see the feature deferences among ADUM3223 and ADUM4223 and ADUM7223.Besides, the package and the...
View Articleundefined resister setting of ADC7619
Hi. In "ADV7619_SW_Manual_rev0.pdf", some bits in register map are not defined.And some of them has default value as 1. Can we change the register value of these undefined registers?Or should we not...
View ArticleAD9625 input drive
Hi Looking through the datasheet of the AD9625 ADC, could you clarify if the device can be DC coupled? there are opposing statements in the PDF. Page 19The input stage contains a differential sampling...
View ArticleRe: AD7190 evaluation board
Hi Tarzan, Good to hear that the software is now operating on your system. Single conversion mode works but its operation is not apparent. If you open the interface window, select single conversion...
View ArticleRe: How to compute the Energy values ? (ADE7880)
Hi hmaniThank you for your response. I did the circuit figure6 of the user guide. The only difference is that I don't have loads and I don't have current sensors. With my circuit I just send signals...
View ArticlePosition information over 180 deg instead of 360
I'm trying to read position information over SPI using EVAL-AD2S1210EDZ. In this process I'm using microchip dsPIC33FJ32MC204 for SPI communication. Eval Board Config: Res0:1; Res1:0 (16 bit) and A0:0;...
View ArticleHow to use the current sens amp for PWM motor application?
Hi I would like to know how to use current sense amp in PWM motor drive system.For example, AD8418 has a peak output by input common-mode step response.AD8418A,AD8417, AD8210 .... also.(see AD8418...
View ArticleRe: How do you synchronize conversions from 2 AD7799 converters
Hi rockybooth, I'd like to add some clarifications on this issue. The AD7799 operates with an internal master clock only – there is no option to drive the part with an external clock. Therefore, there...
View ArticleRe: AD5755 0-24mA current application
Hi Jerry, Apologies for my delay,Most systems will have sensors that work within 4-20mA but sometimes there are other systems/applications that exceed this range. For example, the sensor may not be...
View ArticleInput-impedance of AD9280
Dear Sir/Madam, We are studying about your AD9280 8bit ADC.I have a question. We need the input-impedance for our simulation.Impedance =Fs voltage / DC leakage current, we think, correct?On your...
View ArticleAbout Isolated power ciurcuit
Hi there, We are looking for a smaller solution of isolated power.The condition is the following.Spec: Vin=12V, Vout=5V, Iout=300mA, isolated DC/DCConsept: smaller board area, fewer compontents,...
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