Forum Post: RE: A peak interference phenomenon using LM96551/LM96530/AFE5803
Hi，Chuck Smyth， Thank you for your kind help. The picture below is a 5MHz single excitation with the digital HPF function turned on. It seems work fine. However, when I use coded excitation. The low...
View ArticleForum Post: DP83848I/ withstand voltage on MDI Terminals
Hello, When a noise occurs in MDI interface, How much withstanding voltage does DP83848I have on MDI terminals? Best Regards, Toshiki
View ArticleForum Post: RE: functioning of LM 96570
Dear Mariusz, I tried to download from here www20.zippyshare.com/.../file.html your SW for calculating the delays, but it isn't available anymore. May you please send me it to my email...
View ArticleForum Post: RE: functioning of LM 96570
Hi Mariusz, Would you please send me (saveriominutoli63@gmail.com) a copy of your app for calculating beamform? Thank you so much!
View ArticleForum Post: RE: DP83848I/ withstand voltage on MDI Terminals
Hello, Does any of you have the answer? I would appreciate it very much if you could reply as soon as you can. Best regards, Toshiki
View ArticleForum Post: RE: functioning of LM 96570
Hi, The resource is no more accessible through zippyshare link. Can you please mail it to vennila.5432@gmail.com?
View ArticleForum Post: RE: functioning of LM 96570
Hi Mariusz, The zippyshare resource is no longer accessible. My project requires the delay software. Would you kindly send the software to vennila.5432@gmail.com?
View ArticleForum Post: RE: functioning of LM 96570
Here is the delay calculation software you had asked about which I got from one of the E2E posts a while back, and made by Mariusz who is a “community member” not affiliated with TI. So, beware that...
View ArticleForum Post: AFE5801 does internal ~10db gain (fig. 19) with external and...
When the input to the AFE5801 is AC-coupled with a 0.1muF capacitor and the analog high-pass filter is enabled a ~10db gain is observed for 50kHz input frequencies as shown in figure 19 of the spec...
View ArticleForum Post: AFE5803 evm shor-circuit problem
Hi, I'm using AFE5803 evm for my school project. I set up my evaluation board just as mentioned on page 3/4 of the 5803evm guide, but with the following two differences: I connect Pin 1&2 of JP1. I...
View ArticleForum Post: RE: AFE5803 evm shor-circuit problem
Yuefengli, We have received your post and will answer shortly. Thanks, Chuck
View ArticleForum Post: RE: AFE5801 does internal ~10db gain (fig. 19) with external and...
Jens, With the DHPF, there will be attenuation at 50kHz. Without the DHPF, there will be gain at 50kHz. What "max rating" are you looking at? Input power? The internal gain will affect the point at...
View ArticleForum Post: RE: AFE5801 does internal ~10db gain (fig. 19) with external and...
Hi, I am mainly worried about damage to the chip. I can guarantee that all my differential input voltages will be below 2Vpp, as listed in the spec sheet under maximum input voltage swing page 5....
View ArticleForum Post: Difference between AFE5807, AFE5808, AFE5808A, AFE5809
Hi, I would like to ask you a question about the difference between AFE5807 /5808/5808A/5809. Sorry, I do not understand well the major difference between these devices but noise performance,...
View ArticleForum Post: RE: Difference between AFE5807, AFE5808, AFE5808A, AFE5809
Sorry let me ask you one more point, the analog circuits of these device are the same, correct? Regards,
View ArticleForum Post: RE: Difference between AFE5807, AFE5808, AFE5808A, AFE5809
Takumi, The AFE5808A is only a better version of the AFE5808 . We only recommend AFE5808A for new designs. The AFE5807 ADC is similar to AFE5808A , but modified slightly to support 12-bit,...
View ArticleForum Post: RE: Difference between AFE5807, AFE5808, AFE5808A, AFE5809
Hi Chuck-san, Thank you for your reply. I could understand well. Let me confirm one point, about the LNA, the LNA part is the common between these device, right? Regards,
View ArticleForum Post: RE: AFE5805 interface for ASIC or FPGA
Hi Xiaochen, I am using the Spartan 6 FPGA and am interfacing to the AFE5808A . For the most part my deserializer is working, but I get an occasional missing bit while using the ramp pattern on the...
View ArticleForum Post: LM98620 eval board schematic
Dear Tiers, One of our customer finalized to use TI LM98620 ADC for the CCD frontend. The datasheet refers to development board schematics & layout (page 59 & 64) for guidelines. Can anyone...
View ArticleForum Post: RE: LM98620 eval board schematic
Hi Syed, 1) Here is the LM98620 bench board documentation (Board / Gerber files, schematic, floor plan, BOM). Note that the LM98620 uses the LM98618 bench testing board ( Note: The board is not...
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