ADV7513 Power Supply Filtering
Hi, The Hardware User Guide of ADV7513 specifies to use an LC filter of 10µH inductor and 10µF capacitor for noise suppresion and also to separate the power domains.In the ADV7511 EVM, we see that...
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Re: Re: network works on uboot but failure in uclinux
Hi Aaronwu, I tried but still failed , for lack of knowledge on bf548 . Yeah, the LAN_IRQ pin is connected to pin PH5 on my custom board whereas PE8 on bf548-ezkit .And I do two tests in...
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Re: Run just an .dxe file when in CCES
Needed to follow up at the start of a new term and a new set of students1) Students are unfamiliar with CCES 1.0.3 and I want to run a simple .dxe2) Tell students to build an "empty" project3) Add the...
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Re: Run just an .dxe file when in CCES
Found a way -- delete the System directory in the empty project.Right click on executable in Debug directory -- say Debug asBuild occurs -- CCES says nothing to makeCCES loads old executable that was...
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ADP230X - Max operating voltage
Hello,keeping in mind the application of the ADP230X, in a non inverting configuration, to obatin -14.5 V from a +5 V power supply, the maximum operating voltage of 20 V is closer near and considering...
View ArticleRe: OP4177 opamp is not working as voltage limiter.
Hello Harry!I selected OP4177 as a replacement for LM148 in my design based on the specs given in datasheet. I found it better in every aspect e.g. offset, bias current, supply current. Slew rate ,...
View ArticlePowering DDS AD9852 Evaluation Board ???
Hello,In DDS AD9852 Datasheet it is mentioned that in order to power up evaluation board;3.3V Vcc, 3.3V DVDD and 3.3V AVDD are required with a common ground. On Analog Devices website it is also...
View ArticleRe: Printing data from adc_capture ?
Hi, I have got problem with data from adc_capture(). I print samples from adc_capture() to console but when I set number of samples grater than 0x1FFFF I read random value from address in DDR for all...
View ArticleRe: AD7949 SDO error
Hi, yk.Do you see this problem on multiple parts? Are you using the AD7949 evaluation board? Which mode are you trying to use RDC/RAC/RSC with or without busy indicator? Note that there is always a one...
View ArticleRe: ADXL363 breakout board
Neil, Thanks very much for the information. As a small business, however, (getting a $150 eval board and replace the part) or (creating one from scratch from its schematic and add the ADC part) is out...
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Re: A very URGENT question about AD9915
Thx for the reply, As i understand, DDS' SFDR can not be found & measured by observing the spuriouses with spectrum analyzer while you are changing the amplitude of the output.You are using another...
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Re: Re: ADG9xx relative loss
Hello Michele, I have found some relevant data for you. Below is a plot of typical insertion loss at 25C for all 4 channels of the ADG904. Note these measurements were taken with a Vdd of 2.75V and...
View ArticleRe: Using DMAC for custom data instead of DDS on Linux
Also -- we have tested things like:http://www.cellphoneshop.net/hdmivga1.html?CA_6C15C=530001600000021739 They work well on systems where HDMI is an issue. -Robin
View ArticleRe: ZED Board & FMCOMMS2
Zhou: We really don't have a demo for Rx/Tx turn around time - maybe Michael knows. It's spec'ed in the hardware user manual somewhere. -Robin
View ArticleADC Star ground with motherboard topology
Hi All, I have an ADC layout I've been testing. The ADC board itself is a 1" square. On the ADC board I've used a star ground topology. The ADC board connects to a motherboard with AGND and DGND...
View ArticleuC/OS-II & OSAL
Does the uC/OS-II plug-in require the use of OSAL (i.e. adi_osal and adi_rtl functions)? How can I setup uC/OS-II without using OSAL? My application does not require the System Service libraries and I...
View ArticleRe: ADV8003 TMDS Receiver Video Detection
I see the following in the ADV8003 datasheet:******************************************************The serial video receiver can accept the output of an HDMI transmitter such as the ADV7511, ADV7623 or...
View ArticleRe: ADuC7126 Pin P4.5 behavior when JTAG is connected
Hi, Alex,There are tree more pins P0.1, P0.2, P0.3 which are affected by connecting emulator to JTAG.When emulator is connected TO THE REGULAR JTAG pins, P0.1 becomes TDI, P0.2 becomes TDO, and P0.3...
View ArticleRe: ADAU1978 and ADAU1962 LRCLK input jitter
The jitter tolerance of the incoming reference clock for the PLL is pretty much the same for MCLK in or LRCLK in. This has to do with the frequency of the jitter. Low frequency jitter will look like a...
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