Re: [digitalradio] Multichannel radio using 6 channel sound card?

2006-04-01 Thread Jose Amador
--- Richard (Rick) Karlquist (N6RK) [EMAIL PROTECTED] wrote: Related question: The softrock receiver has I and Q outputs to 2 audio inputs for image rejection. If I build a hardware image reject filter, can I get away with just using I, which saves an audio input, and halves the number

RE: [digitalradio] Multichannel radio using 6 channel sound card?

2006-04-01 Thread Richard \(Rick\) Karlquist \(N6RK\)
@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of Jose Amador Sent: Saturday, April 01, 2006 9:57 AM To: digitalradio@yahoogroups.com Subject: Re: [digitalradio] Multichannel radio using 6 channel sound card? --- Richard (Rick) Karlquist (N6RK) [EMAIL PROTECTED] wrote: Related question

RE: [digitalradio] Multichannel radio using 6 channel sound card?

2006-04-01 Thread Jose Amador
--- Richard (Rick) Karlquist (N6RK) [EMAIL PROTECTED] wrote: I didn't explain the image reject filter right. It will be an RF bandpass filter, not a phasing type image reject network. On 160 meters, it is fairly easy to do a bandpass filter because the percent bandwidth is fairly large.

[digitalradio] Multichannel radio using 6 channel sound card?

2006-03-31 Thread Richard \(Rick\) Karlquist \(N6RK\)
I just joined the group. Sorry for a newby question: I would like to monitor the same frequency on 4 to 6 antennas simultaneously. Can I use 4 to 6 softrock receivers connected to a Delta 44 or Delta 66 sound card and run multiple instances of a DSP program? Related question: The softrock