[Elecraft] [PX3] Bandwidth Question

2014-09-02 Thread Chris Johnson
I'm curious how the PX3 is getting nearly 200Khz of bandwidth from the I/Q out on the KX3. Using a really high quality sound card, I barely get 60Khz wide if that and there is significant roll off. Is there a hidden super secret high BW output magic trickery going on here? Anxiously

Re: [Elecraft] [PX3] Bandwidth Question

2014-09-02 Thread Paul Saffren N6HZ
Hi Ozy, At 200 KHz span, we're sampling 24 bits at 216 KHz and then using equalization to correct for the roughly 10 dB of roll-off which starts around 50 KHz . 73, Paul Ozy wrote I'm curious how the PX3 is getting nearly 200Khz of bandwidth from the I/Q out on the KX3. Using a really

Re: [Elecraft] [PX3] Bandwidth Question

2014-09-02 Thread Fred Jensen
On 9/2/2014 3:41 PM, Chris Johnson wrote: I'm curious how the PX3 is getting nearly 200Khz of bandwidth from the I/Q out on the KX3. Using a really high quality sound card, I barely get 60Khz wide if that and there is significant roll off. Is there a hidden super secret high BW output magic

Re: [Elecraft] [PX3] Bandwidth Question

2014-09-02 Thread Tom
) To: Elecraft List elecraft@mailman.qth.net Subject: [Elecraft] [PX3] Bandwidth Question I'm curious how the PX3 is getting nearly 200Khz of bandwidth from the I/Q out on the KX3.   Using a really high quality sound card,  I barely get 60Khz wide if that and there is significant roll off