Re: AD8145 doesn't work exactly.
Hi zhifu, A moderate amount of load capacitance (a few pF to a few hundred pF) directly applied to an op-amp output is generally problematic since it produces a second pole in the loop gain response...
View ArticleRe: AD7626 Bit error in the output
Robert, Schematic? Cap on REF? Size, type, mfgr, distance from part? Do a histogram on 1,000 samples with a fixed DC voltage of half scale. Harry
View ArticleADuM4160, CN0160 Isolation and Safety Capacitors
I was reviewing the AduM4160 Datasheet and CN0160, CN0159, CN0158 Circuit notes as well as the various application notes and discussions on this page. I cannot find an explanantion for the addition of...
View ArticleRe: Urgent: In an ADV7611W HDMI receiver design 81MHz radiation observed from...
We have found that the primary way to deal with this problem is HDMI cable selection. There is a huge variation in HDMI cable construction and quality and we have seen differences up to 20dB between...
View ArticleRe: Regarding adc AD9648
Hi Sureshkumarv, Regarding the two SPI writes for digital reset, if this fixes what you are seeing, then you would either:need to identify in your system and fix whatever is interrupting the AD9648...
View ArticleRe: How to fix output value after come back power down state on AD9747?
Hi Tatsuya – When the AD9747 is powered down by setting SDO high in PIN mode the 8 registers between the P1D and P2D input busses and the analog DAC cores are unknown. There is no mechanism to set the...
View ArticleRe: AD9361 with Filter enabled
Thanks Dragos, Actually another experiment I have done involves what you have said. So the code looks like: ad9361_set_tx_fir_config(ad9361Phy, tx_fir_config,...
View ArticleRe: Changing frequency in AD9739a hdl reference design
Thank you rejeesh for your quick response.No, I am not trying to reach 4.4 GHz output.I wanted 2.4 GHz sine wave from the ad9739a,so i was thinking of running adf5430 at its maximum,i.e 4.4GHz.Thanks...
View ArticleRe: ADI sim power calc. tool for ADP1972
Here is more information about the ADP1972:The ADP1972 was designed for a specific application where both voltage and current control are required. The ADP1972 is a controller without FET drivers or...
View ArticleAD9959 Evaluation Board firmware
I would like to tweak how this AD9959 Evaluation Board behaves when attached to my computer. Unfortunately, the source code provided on the website is only for the VB PC interface. Would it be possible...
View ArticleRe: AD9834
Dear Kevin, Thanks! Your reply helps. I will work as per your suggestion. I have couple of more queries. Can u suggest in order to work in 100KHz - 50MHz range, do i need to put filters and buffers at...
View ArticleRe: ADV7623 and Fast Switching
Stepping back from the technical details of timeout values and log files... can someone just give me an overview of Fast Switching, how it is supposed to work, and are there external factors which can...
View ArticleRe: Please clarify why the ADV7627 requires HDCP license
Noted. So, a theoretical chip which decrypted, performed OSD, and re-encrypted, and gave the user zero access to anything, video, audio, etc., would still require HDCP license. Interesting.
View ArticleADIS16488 SPI connection using the mbed microcontroller LPC1768
Hi, I am using the mbed MCU to interface with the 6488, trying to display gyros and accls data on the Tera terminal.The problem for me is I did not get the right data from the registers, and the...
View ArticleAD9837 Software Issues
Analog Engineers, I have two EVAL-AD9837SDZ boards that I would like to program on my computer, but I am having an issue getting the software to open. The program can't locate the LabVIEW Run-Time...
View ArticleRe: Hardware configuration
Hi Kumar, Thanks for using the AD9269. I'll address the questions related to the ADC. The AD9269 power-up default is to not be in interleaved mode. The Interleaved output mode is enabled globally...
View ArticleRe: ADV8003-SMZ-P Source / API
I also need the embedded source code running on the ADV8003 board. I was told by my first line support rep that if I post here you guys will set me up. Thanks in advance.
View ArticleRe: AD8302 and AD9834 for phase and magnitude measurement
Hello,I'll try to help out with the AD8302 related question. You don't have to use any burst function or any other special functions of the signal generators. Phase lock the generators and then just...
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