[hpsdr] Digital transmitter

[John Miles]

That's a nice read; thanks for posting it.  The VHDL code seems *really*
well-documented and understandable.

That DE1 board sure offers a lot of hardware for the price.  Does the free
Altera toolset still require activation when you install it?

-- john, KE5FX


>
> ***** High Performance Software Defined Radio Discussion List *****
>
> Hello all.
> I have been lurking here several months and reading the digest
> distribution. It is very good free education reading this list. Thanks
> for everybody.
> This is not exactly HPSDR project but I think some of you may be
> interested it anyway. I decided to learn VHDL. To keep the motivation I
> set a clear target what I am trying to achieve. Digital transmitter done
> with FPGA was my choice. Now about two months later since I started I
> have something to show. All VHDL modules except codec I2C and UART are
> self made. Project is briefly documented here. Also VHDL code is there.
> http://www.kolumbus.fi/juha.niinikoski/Digital_TX/Digital_TX.htm
>
> All comments are welcome. I am still lost with CIC filter intergartor
> stage bit growth. Current filter implementation works with enough bits
> and luck! I am glad if somebody can point me good source of information
> in this area. My handicap is that I do not have a degree in mathematics.
> I am searching practical answers. Hogenauer math can be found from
> almost every book. Practical "rule of thumb" answers are rare.
>
> 73 Juha oh2nlt
>


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