How to crack altium designer 17 自由.Installing Altium Designer

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Data acquisition from rtl-sdr u to zynq fpga board - Pre-Install Preparation

 

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終了日順 関連度順. アーカイブ 視聴無料 No. ランサムウェア マルウェア 英語 サイバーセキュリティ フィッシング. 英語 クラウド 危機管理. IT 建築 ランサムウェア 英語 ネットワーク. I own Altium and will someday be doing that contract, exclusively. There is a DMA controller so that makes things nice.. AND there's DMA IP for the PL section to help pipe stuff around. I did a design using a CMOS imager that would dump frames into ARM RAM via DMA so I know the process works that way.

There's also the USB2 IP from Xilinx that would sit right in the PL -- but then your PL code would have to drive the USB device directly.

html for more info. because it would make the USB drivers and dealing with the RTL-SDR a little easier but then if you have all the RTL-SDR USB specifics and aren't scared to just drive it right out of the PL that could be interesting too. Anyway -- A sense of humor is important for sure. Sometimes it's the only way to keep sane in this mad mad world of fast-paced ever-changing field of electronics. The RTL-SDR is a USB device. It is not really designed to interface directly to an FPGA.

You could get the RTL-SDR samples into the FPGA fabric, but why bother, its already a low-enough data rate that GNU radio and others can process it directly. Analog Devices have a relatively low-cost Zynq Software-Defined-Radio platform:. Then of course there are FMC cards with ADCs and DACs, where you can get sample rates as high as 10GHz. FPGAs are what you want to use when processing MHz or GHz of bandwidth, or DSP with lots of processing.

For RFSoCs, if you are in a university, there is the RFSoC 2x2 board:. That's not true. So what if the RTL-SDR is USB? Xilinx has their USB2 PL IP that would allow bringing USB data right into the FPGA.

As for "why bother"? Maybe it's an academic exercise. The OP said he did have a reason for doing it this way. And yes, the Analog Devices ADALM-PLUTO is worth looking into. It's a Zynq based system could be interesting to reference anyway. Thank you for your clear and concise reply 😀. Let me explain. I agree, the RTL-SDR is not built to interface to a DSP or FPGA. And yes, the data rate is low by the time the data is output.

There are a couple of reasons why I don't find the ADALM Pluto or the Red Pitaya acceptable for what I am attempting to do. I do have a ADLM Pluto, but have not really used it. Looking at the specifications and the inexpensive FPGA device on board, there is not that much capacity "left over" in terms of programmable logic, in order to do much extra processing. That information is available but I forget now exactly where it is. The device is not a The Red Pitaya has open source FPGA code but NOT open source hardware, at least it says that at the site, so I can't really deduce what the RF front end is doing.

The above devices, as well as the venerable RTL-SDR devices, are designed with a fairly narrow purpose. That is, tune heterodyne to a particular frequency and demodulate, in DSP, that channel. I am looking to emulate a polyphase channelizer by "taking in" up to 4 channels of FM for example heterodyne to some convenient IF and then decode the stations via DSP.

I have done this in simulation with matlab and targeted signals that were generated. I have also done it with matlab using the RTL-SDR dongle but of course using only one frequency.

You are completely correct when you say " "software" defined radios are designed with hardware that reduces the signal bandwidth to a level that can be handled directly by software".

That is what a polyphase channelizer does and that is what I am attempting to do in FPGA code. But I need a suitable RF front end. I have read many books on multirage DSP and prof. fred harris is a personal acquaintance. The next step for me is to use a generalized FPGA DEV board, which I have, like the ZCU As you say " there are FMC cards with ADCs and DACs, where you can get sample rates as high as 10GHz ", and, again, you are completely correct.

I have been looking at these boards and two things strike me that are not conducive to me using them. I might be tempted to look past the cost if I could get them while I am still living ;-D. Finally, yes, there is a RFSoC board available for students and although I consider myself as a life long student, I am not attached to a university. My understanding about the RFSoC, and please correct me if I am wrong, is that they are really tied to USRP hardware platforms of ETTUS research, and again, they are expensive.

This is a research hobby for me and I have to think about whether I wish to replace my aging vehicle or buy more toys. I think that the best thing for me to do is to design a board, like the FMC cards you reference above, since my ZCU does have a FMC connector and I do have Altium Designer and can do the layout.

I would not put anything grand on the card and probably should pull out my venerable ARRL Radio Handbook and build a simple FM downconverter suitable for my simple requirements. I enjoy having discussions with people like you who seem to know what they are talking about.

Sometimes like with the ZCU -- you start and tinker and get the idea working and THEN decide where to go. I'm sure you've seen the Zedboard from Avnet, those are nice Not sure what the price point goal is but just to toss it out there. I've worked the uZed It's a decent SoM if one wants to avoid designing their own. I'm about to do a design the Enclustra Mars ZX3. That looks fun too I may be shouting expletives in a couple weeks when I get my baseboard in hand and start doing the dev work Piece of cake, right?

Anyway - glad I could help. Holla if you have any more questions. Wow, I'm impressed. I just looked at the ZX3. I know what I would use it for. It seems almost custom made for ML or DL acceleration projects. Inside the PC you can accelerate certain algorithms outside the CPU. If I might ask, how much does such a thing cost? It even has its own DEV board.

What will they think of next. No competition here, but I am also interested in Deep Learning. Eventually, if I live long enough, I want to be able to work some heavily quantized Deep Learning algorithms into the ZCU but I think that is a stretch. I did a video on youtube where I show a program that I developed that uses Smart Glasses in an Augmented Reality application in conjunction with the 80's arcade game Asteroids.

All done in Python before I knew anything about Python. You could make it not exactly trending. The Zynq might be strong enough for some audio applications of Deep Learning but not video. Please view it. There is a slide rule in the background did not remember this. fred harris saw it an commented that he collects old slide rules. Sorry, the "why bother" was perhaps a little too dismissive :.

FPGAs are awesome, but in my opinion they should be used where needed, not just "because you can". I have suffered from what I refer to as becoming a "code janitor" I create something I think is really cool but being unique, I become the maintainer of that code too.

The RTL-SDR and the community around it use it as a USB device for software interfaces. If the OP wants to use SDR with FPGA, then the Pluto, PicoZed, RedPitaya, and other solutions are more in-line with applications that require the use of an FPGA. So, the comment was more about perspective, rather than "don't waste your time".

You have an excellent choice in friends. His windowing paper was always very helpful. If you dig up an old copy of Crochiere and Rabiner you'll find them calling it a Weighted-Overlap Add WOLA. It is a cool trick. Most of the modern radio telescopes around the world use this technique now eg. What sample rate and bandwidth are you interested in? If you're designing a board and want a second set of eyes.

Just ask :. I also have the RTL-SDR lying around here somewhere and various Zynq and MPSoC boards If you get "somewhere" with your USB interfacing, but get stuck, just ask. It sounds like Ben can help, and I can attempt to struggle along with you :. FYI just for reference and not attempting to outdo you in any way, even around the time of Crochiere and Rabiner, there was Maurice Bellanger, whos book I have and who did some of the original work on multi rate filters.

I think that he did his work in the mid 70s. He does call it "Filter banks using polyphase networks and DFT" but then he references "Rabiner and Schafer" from Lets face it, Rabiner, Bellanger Portnof, Fliege, Vaidyanathan and harris all had simultaneous orgasm concerning the DFT filter bank ;-D.

I have to work out the math on that. But if fred harris could build a channelizer of channels, I could probably build one with 4 channels ha, ha. I would probably do a schematic in Altium but then do this proto on a piece of perf board. Or, use something that I can "dead bug" onto the board. Yea, then I would probably go through the extra work and expense. You know, looking at the ADCEVM that you referenced above, it just might do the trick!

I don't think that the input sample rate is up to handling the FM Broadcast band but you know, perhaps the AM band would do it for me. Now that I think about it, AM would probably be more in line with my future goals. I know that it can handle that. Delivery times on electronics have been problematic these days.

But this looks good and it might just have been worth the conversation to see this!! I think there was a typo at the last line of your post. You said "it sounds like "Ben" can help. Who's Ben?