AD9852
Why I get two different states of BPSK output when I use AD9852 evaluation board?
View ArticleRe: ADV7281 I2C config
Hi Abinay/Dave, We ran the Analog script file for ADV7281. Still we are not getting ACK for address (0x42). After writing 0x00 in 0x0F subaddress, we are not getting the crystal output. We also tried...
View ArticleRe: Plug TXA or TXB would affect the other output port normal display when...
Hi, lcheng,Here are our files got by uart information.File1-'plugout TXA.txt'File2-'plugout TXB.txt'File3-'re-plugin TXA.txt' based on File1.File4-'re-plugin TXB.txt' based on File2. test...
View ArticleAD9434 termination
Hello,My customer is interfacing the AD9434 and Altera Arria II FPGA but there are two methods of termination suggested - unless I am missing something!Standard LVDS Termination: 3-resistor...
View ArticleAD8436 - Output not linear to Input
Hello, when operating a AD8436 in the test configuration described in the datasheet Fig. 21 ( see attachment ) , I observe the following: When increasing the input amplitude up ~400 mVrms I see the...
View ArticleRe: How To obtain 32 bit Engineering Data from ADIS16485 IMU
Hi TM, Thank you for the post. Here is the process that I would use:Read X_GYRO_OUT in to a 16-bit, binary variable <data>Shift X_GYRO_OUT up by 16 bits, which translates <data> into a...
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AD9834 outpuc AC coupling
Hi, I have a very basic question about AC coupling the output of the AD9834, do I put the passive high pass filter just after the output of the DDS or I have to amplify first than apply a passive high...
View ArticleZedBoard/FMCOMMS2 ADC buffer read problems
Hi, I'm trying to perform some large-ish reads from the ADC buffer using the AXI DMA in the supplied demo design. I'm using the IIO_SAMPLE command from Matlab on a Windows PC to attempt to read 2000...
View ArticleRe: 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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Re: How to communicate with ADE7754 to make an energy meter with PIC18F2520
this is the schematic...... i am using 15 watt bulb and 40 watt bulb........my project is to show the energy change on adding or rmoval of lamp load in running load....but in running condition...device...
View ArticleRe: Can the electro-magnetic field affect the IMU operation?
Hi Mark, Attached is the data gathered. The data is analized as 1. X-axis directs forward and Z-axis directs upward.2. Throttle is increased from 40% to 70% at 280 sec.3. Battery voltage supplied to...
View ArticleRe: adis16480 spi configuration and processing overrun
Hi Mark,Thanks for your response.I'm using TI MCU tms320f28335, and a Dupont cable of 40cm length connecting my processor to eval-adis(J2 pins). Because the three VDD pins(J2) are short-connected, so I...
View ArticleRe: Can the electro-magnetic field affect the IMU operation?
Thank you! I appreciate you sharing the data and for the detailed explanation of the thought process you followed to arrive at this point. I look forward to looking at the data but wanted you to know...
View ArticleRe: adis16480 spi configuration and processing overrun
I would be concerned about two things, which would guide the next steps of my investigation: 1. 40cm might be OK but might introduce risk for signal integrity issues. Some have used twisted pair...
View ArticleAD7606 voltage supply
Hello everyone, I'm in need of some help... The supply voltage(AVCC) of AD7606 would effected by digital voltage(+3.3V)，my device work in the Byte Read Mode, so Pin6(Par'/Sel) connected to...
View ArticleAD9854: Relation between of LP filter and REF Multiplier
Hello, I would like to clarify the relation between of LP filetr on DAC output and Ref clock multiplier. I would like to keep the multipler value as low as possible for certain frequency range. My...
View ArticleEVB-ad7781
Hi all, I'm trying to work with the evaluation board ad7781EBZ with windows-7, is it possible?I installed the evaluation board software and connected a load cell to the board,I also followed the...
View ArticleClock Generation and Distribution (AD9577)
Hi,I want to generate and to distribute 128MHz clock to ADC/DAC(AD9707,AD9251). (I need 3-LVDS and 1-CMOS outputs)I'm using AD9577.Ref clock is SINE=26MHz (50 ohm 0dBm from OCXO)OUTPUT clock...
View ArticleRe: About AD7995
hi Tarzan, Would you be able to sent NACK instead of ACK before the STOP command is issued? This is raw 14 in your excel file. I will run similar experiment myself to make sure we get consistent...
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