Re: ADV7612 EDID on Xbox 360
The board is a new board that is based on the Irrevium board. The Irrevium board works.The new board works with PC and the HPA (hot plug) works also. The XBOX doesn't look normal because it does eight...
View ArticleRe: AD719x communication problem
Hi Siyavash, Can I ask for scope shots of your digital interface lines? Upon power-up a reset should be initiated so as to place the digital interface to a known state. This is done by writing 40...
View ArticleVB ver. 6 source code for software used in the the AD8369 Evaluation Board
I have been working with an idea that utilizes your AD8369. One of the components in this project is a PC, which adjusts the gain of the AD8369, as a response to the intensity of several other acoustic...
View ArticleCalibration of the ADE7758
Hello all, I have been trying to calibrate the ADE7758 for use in reading Vrms, Irms, WT/Hr, VA/Hr, and VAR/Hr. I feel that I have figured out the Vrms and the Irms pretty well and am able to get...
View ArticleRe: Missing files in latest FPGA release?
Thanks Lars, I have seen the instruction on generating Netlist files but the missing files are Verilog files that are missing from cf_lib (provided pcore library). -Jhadi
View ArticleRe: AD7631/34 Power Supply Sequencing
Hi HM72, I just found on the p.23 on the AD7631 datsheet, a correction on the previous post. There is a need a sequencing for the AVDD and DVDD power supply, AVDD should come up prior to or...
View ArticleRe: AD9838 output configuration to minimise power consumption
Hi, Even if IOUTB is not used, you still need to connect a 200ohm resistor at the output. This ensures that the DAC output does not exceed the voltage compliance range.Note, you can change the value of...
View ArticleRe: AD9914: crosstalk during initialization
Hi, Have you tried issuing a DAC CAL before writing at the registers to output a frequency?If this does not help, kindly check if you have floating input pins or not. Floating input pins are profile...
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Re: How to compare noise levels between digital and analog accels?
Hi David, 1. You can either compare noise density or RMS noise. I suggest RMS noise since for the same noise density, different filter design may cause the final RMS noise a little different.2. RMS...
View ArticleRe: Amplitude Modulation in digital domain with DDS
Hi, You can use Ad9911, and use the test-tone modulation mode. It enables sinusoidal amplitude modulation on the carrier. The carrier is the Channel output in which the frequency can be set via...
View ArticleRe: Our power-up sequence for ADV7611
Hello, Sorry,due to my imperfect English, ask to you about Q2) again. you wrote:Q2) Both options are acceptable.Although our sequence is not perfect, we believe that as long as 1.8V supply does not...
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Re: ADSP21469 EZ-Kit with Sigma Studio - Using and External ADC/DAC
Hi guys, thank you very much for your help and attention. The technical support on this forum is top notch I am using the ADSP21469 Evaluation board, so lease confirm if my understanding is correct:...
View ArticleRe: getting consistent output from ADIS 16375
The eval adis board charges through usb port from laptop, but usb only supports upto 500mA current. ADIS 16375 requires upto 1.5A for startup.
View ArticleRe: Aliasing in sigma-delta ADC output?
Hi Alexxx, With a sigma delta ADC, the point of aliasing will be at the output data rate/2. When FS = 480 (sinc4 filter, chop off), the first notch is at 10 Hz. If you continuously convert on a single...
View ArticleRe: AD594AQ Troubleshooting
The power is on pins 4 and 11. Is there anything else that could cause this problem?
View Articleadi_rtl_reenable_interrupts() behavior / documentation
Calling this function when interrupts were not disabled prevented my interrupts from firing. I get this function from exception.h, but I can find no documentation about it and I cannot step into it in...
View ArticleRe: AD594AQ Troubleshooting
If the part draws 300-400 uA, you will have 3-4 V drop across the 10k resistor.Put the 9V (measure it, it might be dying) battery on pins 4/11; no resistor.Then tell us what it does. Harry
View ArticleAD725ARZ monochrome output
Hello all, Please let me know your advice about below when input signal to AD725ARZ is monochrome analog signal. 1: Is there any problem with input to7pin GIN ? 2: Is there any problem with connecting...
View ArticleRe: Query about ADL5545 and ADL5521' Gerber Files
Hi, Jim Got it! Really thanks for your kindly help on this! Br,Wayne
View ArticleRe: getting consistent output from ADIS 16375
Is there a question in this post? Did the ADIS16375 function on the EVAL-ADIS? To your statement, the USB does not see the 1.5A peak current because of the large capacitor bank and soft-start...
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