Hi, I'm a new starter with the group. I've been looking for a non-PC based PSK31 solution and the above project may be just the ticket. I'll admit I've not...
Hi, All that old PSK31 stuff is pretty rough :-) It does work but very crudely. We're working on a new version using the dsPIC33FJ128MC706 chip. There is a...
Hi John, Several years ago I've played with the psk31 codec implemented by Hansi Reiser. http://www.qsl.net/dl9rdz/ It should not be so difficult to port the...
Thanks very much, we'll definitely check it out :-) Here's a note I posted to AQRP this morning: 44 Magnum has a sixth display mode which has told me the whole...
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Oct 5, 2006 1:58 pm
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Oct 5, 2006 2:04 pm
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Hi Edson. ... The Zaurus SL-5500 has the same CPU as my iPaq 3630. I have ported parts of gMFSK to the PocketPC platform. The FFT and decoding of one PSK31...
HI, I have some doubts on setting the codec that i use.. TRISFbits.TRISF0 = 0; . . . LATFbits.LATF0 = 0; // reset codec for (u=0; u<CODEC_RESET_TIME; u++); ...
... and ... only ... that my ... from the ... sound OK, ... Hi, Leon Trouble you again. From the mic2Out sample, i never see any sampling command that ask the...
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Oct 15, 2006 3:07 pm
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Oct 16, 2006 2:54 pm
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Had to make a few changes. Moved MCP4922 /CS1 and /CS2 from 31,32 to 27,28 respectively to free up U2RX/TX for possible USB interface. Added DDS control lines,...
John, Thanks for giving a few hints as to where the changes were made. It's really hard to know what got changed on a schematic drawn in that style. It would...
Roger that, Cash, I'm just trying to tie it down for now :-) Things will smooth out a lot when we get all 3.3 volt parts. We ran out of open drain outputs to...
Hi! I'm trying to interface a TI TLV320AIC23B (stereo codec) to a dsPIC using I2S. But altough I read the according parts in the dsPIC Family Reference Manual...
... I just took a quick look at the datasheet and it looks like it might be easier to use DSP mode with a microcontroller. The interface should work well with...
Hi David! Thanks for your quick reply! ... with a SPI ... and see ... I think you are right! I had read that the DCI can store up to 4 words and thus expected...
Hi , Check this link he is using a dspic and AIC23 codec. http://www.kolumbus.fi/juha.niinikoski/Cheap_dsp/Cheap_dsp.htm Best regards Hari ... -- De Hari ...
... You're welcome. :) ... Yes, the PIC24 family and the dsPIC33 families both have DMA on almost everything. :) ... Ahh, okay, thanks for the translation, my...
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Nov 4, 2006 3:52 am
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Hello to all, I'am back with a board and with some problem and questions. I make a board with a dsPIC33F and the si3000 using as a guideline the Leon's board...
I have an interesting problem, I designed a circuit which contains a 18F2510. The mcu used is compatiable with 18F2525. The design works with no problem when...
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Nov 22, 2006 1:55 pm
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Hi, i am doing the same project as you, however it's seems like i still cannot control my Si3000 through my software..for your information, i'm using...
first I want to thank everyone that contributes to this group. any suggestions on which software is the 'best' to calculate the filter coefficients for the...
