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Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??
From: |
Charles Swiger |
Subject: |
Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ?? |
Date: |
Fri, 17 Mar 2006 17:32:20 -0500 |
On Fri, 2006-03-17 at 14:46 -0500, Charles Swiger wrote:
> There must be a trivial way to change +7.5kHz to -7.5kHz so we can use
> complex mixing...
>
Ah ha - it's invert either I or Q.
c2f = gr.complex_to_float()
phase1 = gr.multiply_const_ff(-1)
phase2 = gr.multiply_const_ff(1)
f2c = gr.float_to_complex()
fg.connect((c2f,0),phase1,(f2c,0))
fg.connect((c2f,1),phase2,(f2c,1))
f in, -f out.
- [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Charles Swiger, 2006/03/16
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Eric Blossom, 2006/03/16
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Charles Swiger, 2006/03/16
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Eric Blossom, 2006/03/16
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Charles Swiger, 2006/03/16
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Eric Blossom, 2006/03/16
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Robert McGwier, 2006/03/16
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Charles Swiger, 2006/03/17
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Eric Blossom, 2006/03/17
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Charles Swiger, 2006/03/17
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??,
Charles Swiger <=
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, ldoolitt, 2006/03/17
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Eric Blossom, 2006/03/17
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Charles Swiger, 2006/03/17
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Matt Ettus, 2006/03/17
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Robert McGwier, 2006/03/17
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, Eric Blossom, 2006/03/20
- Re: [Discuss-gnuradio] fixing gr_pll_*_c[cf], Charles Swiger, 2006/03/22
- Re: [Discuss-gnuradio] fixing gr_pll_*_c[cf], Eric Blossom, 2006/03/22