Re: [soft_radio] OT - USB soundcard

2006-11-01 Thread Cecilio Bayona
Cecilio Bayona wrote: John Kolb wrote: Does anyone know of a USB soundcard that can output audio at freqs of at least 40 kHz (96 or 192 kB sample rate)? Only need single channel output, not stereo or 5.1, don't need audio input. John There are several devices I recall seeing at one

Re: [soft_radio] Re: OT - USB soundcard

2006-11-01 Thread Cecilio Bayona
John Kolb wrote: Can one assume that any soundcard advertising 24 bit, 96 or 192 kB sample rate can output supersonic freqs rather than having a 20 kHz low pass filter rolloff on the in's and out's? John soft_radio@yahoogroups.com wrote: --- In soft_radio@yahoogroups.com, John

Re: [soft_radio] Re: Best way to demodulate

2006-11-01 Thread Cecilio Bayona
Juan EA7FNJ wrote: Hi guys! Thank you for all your commentaries. I see that the best way is the Direct conversion, but it's only for monoband receivers. If I would like to make a multiband, I have to get it from the IF, I suppose. I have some FST3253 in SSOP28 package. I'll try to make

Re: [soft_radio] Re: New file uploaded to soft_radio

2006-09-14 Thread Cecilio Bayona
Tom Rowley wrote: Cecil What is the part number for the AMD device? Tom W2TER - Original Message - From: [EMAIL PROTECTED] To: soft_radio@yahoogroups.com Cc: [EMAIL PROTECTED] Sent: Thursday, September 14, 2006 12:38 AM Subject: Re: [soft_radio] Re: New

Re: [soft_radio] Re: New file uploaded to soft_radio

2006-09-14 Thread Cecilio Bayona
ArthurLekstutis wrote: Did you mean Analog Devices? Specifically the AD8333? Looks very interesting: www.analog.com/en/subCat/0,2879,770_849_0__0_,00.html Artie Lekstutis KC2MFS Cecil What is the part number for the AMD device? Tom W2TER - Original Message -

Re: [soft_radio] Re: New file uploaded to soft_radio

2006-09-13 Thread Cecilio Bayona
[EMAIL PROTECTED] wrote: Recently I have been building and testing my Dual Gate FET QSD idea. I am not finished yet but one thing I was warned about was IMD. So I decided to try a Class A bias scheme and later I will check the harmonic distortion and other needed testings. Anyways I will

Re: [soft_radio] New file uploaded to soft_radio

2006-09-12 Thread Cecilio Bayona
Ray Anderson wrote: Dan- I missed the earlier part of this thread, but can you explain what the SA612 has to do with a QSD (quadrature sampling detector). The SA612 mixer is a double balanced Gilbert cell type circuit. No sampling is involved. -Ray WB6TPU

Re: [soft_radio] Re: DRM, SDR and CIAO radio test

2006-09-08 Thread Cecilio Bayona
[EMAIL PROTECTED] wrote: Dell e9150 3.4GHz P4 Dual core 945 with 4M of cache 1 G of Ram 250G Internal HD 320G External HD 16X DVD burner 256M Video card For $650, I'm a happy camper. Now you got a very good deal on a PC here! 3.4GHz, 1 G of Ram, 250G Internal HD Dan

Re: [soft_radio] Re: Components received

2006-09-08 Thread Cecilio Bayona
i2phd wrote: --- In soft_radio@yahoogroups.com, Re Claudio [EMAIL PROTECTED] wrote: Cecil , I received today the components . Thank you again for your great effort . Claudio I1RFQ The litle envelope with the components did make it also to my QTH Cecil, Italian Mail Service