Adxl345 linux driver freezes, [raspberry pi i2c]
Hello, I did everything like Peetah in this topic :http://ez.analog.com/message/130856?tstart=0#130856 (thanks men)but there is a problem. Sudo evtest /dev/input/event0 returns proper values but in...
View ArticleMod/Demod IQ Selection
I'd appreciate a recommendation of your mod & demod chips (even better if you have mod/demod IQ to 2.4GHz RF in one chip - we'd just drop two of them down to cover the MIMO requirement.) We aren't...
View ArticleAN-564 ADE7756 Voltage connection
Figure 1 indicates that the voltage sampling connection is made across L1 and L2, and no connection to the neutral. Figure 16 shows connection to L1 and AGND via resistor R9 and C7. Shouldn't V2N be...
View ArticleAD7476A analog input over-voltage protection
The absolute maximum ratings for the analog input in the AD7476A's datasheet say 0.3V beyond the rails (0V-5V in my case). If the analog signal is driven out of this range by a +/-12V powered op-amp...
View ArticleAES EBU & SPDIF
Hello,i was just curious if i can just use the spdif I/Os of an ADAU1446 fordirect connection to and from AES/EBU equipment.For what i've understood, the two formats are quite similiar, with...
View Articlehelp a rookie out part 2
related question: http://ez.analog.com/message/138883 So I am doing shock testing using an ADXL001-500 and a DAQ (links to data sheets below) and I get the feeling that I something is not going quite...
View Article来自陈高升的邮件
HI Adrian : Thanks for your reply;I use the XILINX's V6 FPGA to connect to an ADV212 using the HIPI mode! Until now, I still have no new thinking;I am sure that My DMA timing is OK! I still doubt...
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Why doesn't work the ADC's DMA mode of ADuC842?
I am going to use the ADC's DMA mode of ADuC842.I configure ADuC842 in ADC's DMA mode base on the illustration in datasheet.I don't know where is wrong.Who can help me solve the problem? Thank you very...
View Articleinstalling the plugins on eclipse Kepler
I have installed the Blackfin plugins from the sourceforge site. Everything seemed to install correctly. When I build a simple hello world program I get the error :Toolchain "Blackfin Linux FDPIC GNU...
View Articlemicrophone for a door locking system
Hello, I am creating a door locking system with communication capabilities and need help choosing a microphone for the system. I will be installing the mic in the locking system located at the handle...
View ArticleQuestion Regarding AD8339
Hello to everyone in Engineer Zone, I wish to post a technical inquiry about the AD8339. According to the datasheet for product AD8339 Revision B on page 29, and with reference to the section "using...
View ArticleReference Design under Vivado
I have been trying to port the ZC702 and ZC706 designs to Vivado, and I have been following the recent work on GitHub/analogdevicesinc/hdl.My port is also available on Github/kutusystems. The reason...
View ArticleProcess the floating-point data in BF518
My processor is BF518. Recently, I need to process some floating-point data in the BF518. I want to process some data to get the same result in the PC and the BF518. Like this...
View ArticleADIS16480 and Evaluation Board Questions
(Background:) I (or more specifically my team) recently bought the ADIS16480 and the corresponding evaluation board for use with the BeagleBone Black. This board boots from a microSD card with an...
View ArticleUltrafast Comparator for Sine wave at 16KHz
Hello, I have an application that has a sine wave output at 16KHz with varying amplitude. I would like to generate a CMOS/TTL from that sine wave with low delay (~100ns is good enough). Input: Sine...
View ArticleAllowable Sample rates for the ADAU1701
Hello All The ADAU1701 has a maximum sample rate of 192kHz. However the datasheet does not specify a minimum sampling rate (that I can see anyway). If I use a lower crystal input frequency or select...
View ArticleADE7878
I am using ADE7878 for Energy meter purpose. I have started communication b/w ADE7878 & my micro controller. When i read Voltage RMS registers, values are reading from the registers when i apply...
View ArticleSoftware Update for AD9910
Is there a software update for the AD9910 evaluation board now that Windows XP is going?
View Article21369 SPI loader/modified boot kernel - EE345
I am attempting to have multiple bootable images stored on a SPI flash that will be selected by an image with the modified boot kernel starting at address 0x00000 on our custom 21369 board. Utilizing...
View ArticleWhat is the rise time of bclk output in ADAU1442?
I would like to know what the rise and fall times are for the BCLK outputs on the ADAU1442 so I can determine the length of traces I can use and whether or not to buffer them Thanks Gerry
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