RS343 -RBG video Signals need a Flag when R or B signals are missing
Hi all, Please your help Have RS343 -RBG video Signals, need a Flag when R or B signals are missing Note:The Green video signal contain the synchronization and blanking pulses. The Red and Blue...
View ArticleHDMI Rx, inconsistent audio sampling clock on I2S output and audio InfoFrame
Hi, Customer have a question for one STB box with HDMI output, that the I2S LRCLK out of HDMI Rx (e.g ADV7850 or ADV7612) is different from InfoFrame. For example, the I2S is 44.1KHz but InfoFrame...
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AD7656 CONVST after reset pulse
Hi, After the RESET pulse, the AD7656 needs a CONVST pulse to initiate a conversion.How many second is needed from RESET to CONVST? Regards,yk
View ArticleADV212: What's the compression rate can be realized in video lossless...
I want to know how many compression rate can be realized in the video lossless compression. This product is used in Hd video surveillance area.
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ADMP421 - how to check...
Hello All,I have a board where ADMP421 is used. We did a rework (using hot air) and noticed the following behaviour:+3V3 - is present and correctGND as well.L/R - is lowCLK input is 2.048MHzData out is...
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AD7745: Temperature compensation
Hi all,I'm developing a rain sensor using an AD7745. I have the converter connected to a series of tracks on the PCB, measuring its the capacitance.Since I want to get rid rapidly of any rain or...
View ArticleSort an array - find the best way!
Hi, I'm using adsp-bf609 ez-board. In my code i've to sort an array of 1024 elements. This is a monodimensional array of float POINT_Z[1024].I've also the array POINT_Y[1024]. The index are correlated...
View ArticleAD9838 - Jittering at Some Frequencies
Good morning. My customer wants to use the AD9838 DDS and is currently evaluating the part via the evaluation board. His frequency range of operation is 40KHz up to 1MHz in 256 steps of...
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ADV7611 - I2C Timing problem!!!
Hey guys,i'm a german student and developing a Video Converter with the ADV7611 iC. I'm trying to set up the registers via I2C Interface from an AtMEGA-328p. After the reset (0x98,0xFF,0x80) a few...
View ArticleLow cost production JTAG programmer
Can anyone point me to a low cost solution for production JTAG programming of external flash connected to an ADSP-BF512? In development we are using Visual DSP and an ICE100B. The ICE100B is cheap,...
View ArticleBuilding with live sources: BuildToolChain script reports unterminated quoted...
Hi, I am having some trouble building the toolchain from live sources.When executing the followinggit clone git://git.code.sf.net/p/adi-buildroot/code sources/buildroot sources/buildrootgit clone...
View ArticleAD9984A schematics- unused pins connectivity
Hi, I'm using AD9984a in 4:2:2 20 bit mode, and LQFP 64 package. - Do I need to connect the unused blue pins to pull up/down/GND?- There is no GND pins in the LQFP 64 package, what is the device...
View ArticleInstrument Amplifier For Gas Analyzer Assistance Needed
Hello. I am requesting some assistance on a circuit I am wanting to design. This design is a gas analyzer with a local lcd display. I have a Figaro KE-25 oxygen sensor, that has a 0% to 100% oxygen...
View ArticleBF506F standalone
Hello, I am new to the BF506F chip. How to make the BF506F EZ-KIT to work standalone with my own program, i.e. the board executes my own program automatically after power up. I guess one way is to...
View ArticleAD-FMCOMMS1-EBZ input modification
Hi once again, I am attempting to connect a simple hardware module to produce a square wave output from the reference design into the DAC, and then view this output on the ADC using ChipScope. The...
View ArticleFeeding DAC with my own Real Samples
Hi Dragos, I'm using AD-FMCOMMS1 on ML605 carrier with no-OS reference design.I noticed that you have replaced the dac_dma_data[] with sine_lut[] around a month ago. I can follow the codes and see the...
View ArticleDiverting Low Level Audio
Is there a way to sense the low level audio and divert all signals below a threshold to an alternate audio path? I'm not looking to remove them from the main audio path, simply route anything low level...
View ArticleIF Frequency of ADRF6655 and ADRF6620
Hello,My name is Meir and I am DFAE. My customer works with IF frequency that is about 50-100KHz. We couldn't find any plot that specifies thatthe IF of the ADRF6655 supports this band, but the...
View Articlehanging at the adc testing instruction adfmcomms1ebz
I'm getting problem while interfacing ADFMCOMMS1EBZ with KC705 .i dumped the no-os reference design code on the board.When i observe the hyperterminal it is stopping at the adc testing point.it is not...
View ArticleAD5422 with a boost transistor output offset problem
Hello,I have designed a board which contains four AD5422B DACs.Each DAC has been programmed to generate 4mA output.Here are the four output currents measured. Output 1 = 3.999mA, Output 2 = 4.001mA,...
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