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Re: ADV7625 OSD Character color change
Hi Jeyasudha.M When the input source video is RGB(0-255) format ,the OSD menu color also change.May be is the same cause.
View ArticleFingerprint signal processing SW for Blackfin
Dear All, We have a national ID project in Turkey, which all old ID cards will be changed with smart card included new ID cards. We as PAVO electronics design and production company(www.pavo.com.tr)...
View ArticleRe: Analog sharc 21160 processor emulation
I am okay to use the first option. I did not actually thought fopen and fwrite will work since there is specialized functions to dump data to file ADspMemoryType.DumpMemoryToTextFile(). Do u have code...
View ArticleSRAM Initialization on ADSP21369 fails only with SPI bootloader
HiI'm using a ISSI IS61LV5128 SRAM on a company board.The DSP boot is controlled by a LPC4337 microcontroller,, in SPI slave mode.I'm using this SRAM which works very well in the Visual DSP 5.I have an...
View ArticleRe: Re: QPSK GENERATION (MATLAB HDLCODER)
hi dragos, i used two array as shown below, const uint16_t sine_lut_i2[32] = { 0x685E, 0x40FF, 0x32AA, 0x40FF, 0x685E, 0x9C10, 0xCC9C, 0xEE62, 0xF911, 0xEC14, 0xCB3D, 0x9F83, 0x718B, 0x4B32, 0x3362,...
View ArticleRe: How to keep the impedance high while using AC coupling with In-amp
I know bootstrapping will be one possible solution, but I failed to configure it with this amp. Actually I need to configure the buffer as a bootstrapping circuit. And the structure of in-amp has the...
View ArticleRe: How to keep the impedance high while using AC coupling with In-amp
Zifang, Why do you think you need 100 meg? Differential or common mode? If you have a few pF to ground, your frequency responseis only a few Hz..... Harry
View ArticleRe: How to keep the impedance high while using AC coupling with In-amp
I am designing a pre-amp for the neural signal. Because the electrode has a very high impedance in low-frequency range(because it's a capacitive load), so I need a very high input impedance. And I have...
View ArticleRe: How to keep the impedance high while using AC coupling with In-amp
Zifang, What is the threshold current? In other words, if the current is one nanoamp, does it affect theneurons? What about one picoamp? Maybe a JFET InAmp with direct coupling would work? How...
View ArticleAD7675 family, timing questions
Hi all, I'm working with an ADC AD7675 and I'm misunderstanding few parameters about timing. The application is quite simple : a microcontroller is dealing with the ADC and memory. Datas are recorded...
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AD9629 Differential Clock Input
Hi Guys, Question regarding the AD9629 differential clock input. The datasheet (pg.20 - see attached) has the external clock terminated in a 50R load (figure 46) and then feeding into the Mini-circuits...
View ArticleADV7180 & ADV7391 SFL problem
Hello, adi, We used ADV7180 capture CVBS video signal through the FPGA to ADV7391 output to monitor, which the video screen have flicker problem.This problem is very urgent, please to help to...
View ArticleADE7913: SPI read operation in burst mode
Hello,I need help on SPI read operation in burst mode for ADE7913. I am going to connect it with TMS570LS0432 micro-controller.In the datasheet of ADE7913 it is mentioned that we can read multiple...
View ArticleADV7511 output size
Hello all, We would like to use ADV7511Datasheet does not say 1080i@59.94 fps. Does ADV7511 support 1080i @ 59.95fps ? Regards,
View ArticleRe: ADuC836
I look datasheet and I think maybe your don't have memory for stack. Plese look page 14 (and 13) datasheet.The upper 1792 bytes of the internal XRAM can be configured to be used as an extended 11-bit...
View ArticleADSP CM403 Internal clock usage
ADSP CM403 how to use internal clock and what are register to configure for internal clock operation.ThanksRam
View ArticleHow do you communicate with the EVAL-AD5933EB over USB from a Raspberry Pi?
I have an EVAL-AD5933-EB board connected to a USB hub that is connected to a Raspberry Pi running Linux. lsusb shows that the eval board is present. Bus 001 Device 002: ID 0424:9514 Standard...
View ArticleRe: AD9361 no-os driver initialization
FYI, I found the problem. In my implementation of the spi_write_then_read() function, I did not realize the addressing should be decrementing for multi-byte transfers. I found the section of the...
View ArticleRe: SOFTWARE GUI- ADP1048
Hi Pavi, sorry for the late response. yes, your comments are correct.to ovserve the input and output voltage and current, you have toconnect the main power stage board with the daughter card, which is...
View ArticleAD9928, HL_A and HL_B outputs configurations
Hello, dear colleagues!Please, could You clear this question:At the synchronous mode AD9928 (Mode 1, page 20 in datasheet) A and B channels (RG_A|RG_B and H1A-H4A|H1B-H4B)HL_A and HL_B outputs works...
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