Re: PCB considerations - Sigma ADAU1452
Hi, Where I work we also prefer the simplicity of a plain double-sided PCB whenever possible. In one of our products we have "gotten away with" a double-sided board with a ADAU1701 (my post...
View ArticleRe: How to use a Balun at the Output of the Op Amp AD834
OK J. So,I`m understandig that no matter what the frequencies of the two signals to be multiplied (if I use AD633), since these two frequencies are, the most, 1 MHz. If the two signals to be...
View ArticleRe: 1701 (DAC?) noise
found it! it was the agilent 54622 scope injecting noise into the gound leads. not much but enough to trouble...when I turned the scope off it was clean..
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Re: ADE7878 AVDD DVVD error
Hi hmani. I was busy with some other project and now got back to the power meter. I resolved all the issures I had and now I am able to get readings of voltage and current.?I have a relay testing...
View ArticleRe: AD7176-2 Data read errors
Hi Jonathan: Yes, the errors occur randomly. And yes, 0V is from a source. I looked at the buffer amp outputs andthey are clean. Same results when the inputs are grounded. Tom
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ad 9736
hi all,am using ad9736 for my waveform generation project,s using kintex 7 fpga am sending a 14 bit dds data to dac in rsds io standard. i have used pin mode of operation..i used a 400 mhz clockfrom...
View ArticleADF7023J Emission characteristics
Hello When ADF7023J was emission test, it was symptom similar to latch-up.Symptoms was SPI communication hang-up too.In order to return. it power down and restart. Test Condition was below.ADF7023J was...
View ArticleRe: A question about AD-FMCOMMS1-EBZ
Hi Chris, I will be looking into the question this week. I will let you know what I find. Regards,Adrian
View ArticleTransmission of Custom I Q samples over ad9364
Hi , I would like to transfer custom samples from a block RAM to ad9364 as a first step to check how to integrate my RTL design for QPSK modem with the front end part . I want to bypass the...
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SPI SLAVE mode, communication problem
Hi, all! We have problem with SPI2 slave mode on ADSP BF-707. SPI is configured as CPOL = 0, CPHA = 0 in slave mode. PROBLEM: On picture we can see, that the first byte was sent correctly (in the...
View ArticleRe: EVAL-ADXL362Z-DB real-time evaluation sysytem trouble
Hi, After you trun the SW4 to VU, before you connect PC, what is shown on the Eink display? Can you see all the icons turn on when you shake the board? If you keep the board stable on the table for a...
View ArticleRe: BF51x VDDINT Min
Hi , Can any one update me with regards to this issue . Thanking you With best regards and wishes
View ArticleRe: ad9265 Input Delay
Hi Chad, Here DCO calibration works fine, and IDELAY calibration works fine with your patch applied, with the latest kernel+HDL. Could you share the devicetree .dts file that you used?What clock did...
View ArticleRe: AD7091r communication problem with nexys 3 fpga
Hi Antti, From the schematics (and CN0335 circuit note), for me it seems that PIN 1 on eval coresponds with PIN 6 on Nexys (or PIN 7, depending how you plug in the board). I don't have the board so I...
View ArticleRe: Receive external signal from Vector Signal Generator and display to...
Mohd, Did you take in consideration the fact that AD9643 is a 14-Bit ADC and AD9122 is a 16-Bit DAC?Make sure that the captured samples are shifted (<< 2) before they are written in memory to be...
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Re: termination resistor values for daisy chained LVDS app
Hi Ed, Can you please provide me with a sketch of your system setup?Usually if you are using a network with just ADN4665 Drivers and ADN4666 Receivers, then the last receiver on the link has a...
View Articleproblem with setting the SDATA Mode to Master
Hi forum, I am trying to make a 1761 codec to act as the master on the BCLK (I2S bit clock).I am setting it in Sigmastudio and I can see the bit 0 in register 0x4015 changing from 0 to 1.When I export...
View ArticleRe: RS485 on BF518 EZ-Board
Hi Mike, this sounds strange, so far I think we may try the two following:1) double check if you have any code change that may result in this besides the board file, a complete patch against a clean...
View ArticleRe: PWB design data for ADuM3471 and ADuM1300 EVALboards
Is there the update? TKS! Kaos
View ArticleRe: AD5755 DCDC doesn`t start up
Hi, msamera! Thank You for Your reply! It not exactly the inductor, just a small ferrite bead like BLM21 type. I think that this way I`ll get a better filtration than just using a simple RC...
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