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Re: Two Questions about AD6676
Hi PMH, Thanks you for answering my question. The closest spurs are located at an offset FDATA_IQ - BW from the passband edges. In case of IF=450 MHz, BW=160 MHz, and Dec-by-12, the location of...
View ArticleRe: ADV7625 OSD Problem
Hi, Could you please clarify us the below details? 1.Whether you are facing this issue always? or What is the frequency of occurrence of this issue on the fault boards?2.Whether working boards always...
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Re: How to minimize lock time of ADF4153
Hello Artem,occasionally Vtune o/p shows a larger than normal glitch, resulting in longer settling time for certain frequency steps.This is a known issue on our older generation of PLL devices, which...
View ArticleRe: AD9361 Charge Pump Cal Timeout / ad9361_txrx_synth_cp_calib()
We solved our issue, it was a bad 1.3 V power supply to the synthesizers. When we bypassed the failed component and wired in a 1.3 V connection from an off board power supply, the issue was resolved....
View ArticleRe: For resistance value across the pin.
Hi Tadahisa, How many parts did you tested? And out of those parts you tested, how many parts have this case? I'll confirm the issue to the product owner of this part and get back to you as soon as...
View ArticleRe: ADIS16365 accelerometer null bias issue
The initial bias specification offers our estimate for bias drift over the lifetime of the product. The following application note may provide some useful insights in calibrating this behavior, when...
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AD9517-4 phase noise
Hello! We are using AD9517-4 for reference frequency set generation: 400MHz, 200MHz and 100MHz. We used GXO-E72 100MHz PECL crystal oscillator as reference.Our problem is - there is too much noise at...
View ArticleRe: About AD-FMCOMMS3 EVM
What EVM do you get for the "good" unit? You can explore the sensitivity of EVM to filter flatness by using a different filter, one that is wider bandwidth.
View ArticleRe: Rx EVM vs. Input Power of the AD9364
We do not have that data available. I would suggest measuring it using AD-FMCOMMS evaluation platform.
View ArticleRe: HMC877LC3 at Lower Frequencies
Even though the Input/Output Return Loss measurements indicate good performance down to 5GHz, the phase linearity of this part become highly dependent to the control voltage below 10GHz. Phase...
View ArticleRe: Undershoot voltage of DDC_SDA and DDC_SCL pins of ADV7612.
When falling edge is GND - 0.8V during about 100ns, This also is overshoot. You overshot your target voltage of ground. The specifications say absolute minimum voltage of of GND - 0.3V. If you exceed...
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Re: forcing ADC_SDATA to act as a PWM
Hi Dimitris, Glad to hear this will work for you. One of our SW developers also suggested trying the following schematic using a slider, if you only need DC control of PWM.-JT
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Re: ADV7604 - Unstable hsync on output pixel port
I can send schematics and brd-files on e-mail if that could help you solve this problem. It seems like it is not possible to send private messages on the forum anymore, but my e-mail-address is...
View ArticleRe: [Need help: my Questions about Blimp 3.7]
Hi Jeyasudha.M: firstly thank you so much for your reply. i followed your advices and tested again. Followings are updating issue status: [Q1]: Fixed. i delete the page--TestRed, clean...
View ArticleRe: ADV7511 snow noise
Hi mattp! I am sorry.We don't have evaluation board.Could you give some suggestion for this problem?
View ArticleRe: ADL5801 Quiescent Current
Hi,all Can you comment regarding this matter or from anyone? Best Regards,sss
View ArticleADV7280 HSYNC and VSYNC Polarity
Hello, I'm trying to set the HSYNC and VSYNC polarity to active low; however, writing the PHS and PVS registers does not have any affect when viewing the signals on a oscilloscope. Do you have any...
View ArticleRe: New design tool for simulating microphone beamforming arrays.
Hello Coleman, What I'm looking for maybe are not the EVAL-ADAU1761Z .I read it's PDF ,but it not related to microphone beamforming arrays based on ADMP504 which shown in tihe video.I will look for it...
View ArticleWhich Proc or DSP should I use for controlling a quadcopter
Hello all, I'm looking into the possibility of teaching myself how to build a control unit for a quadcopter, multirotor but I'm lost in the multitude of choices available from Analog Devices.In the...
View ArticleRe: New design tool for simulating microphone beamforming arrays.
Hello Dave T, I looking forward to seeing your reply. Do you have the Jerad's contact information ? BR,Dawson
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