[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??
From: |
Matt Ettus |
Subject: |
Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ?? |
Date: |
Fri, 17 Mar 2006 10:48:24 -0800 |
User-agent: |
Thunderbird 1.5 (X11/20051201) |
> It just seeemd strange to me that a very large number, d_freq, which is
> bounds limited to between d_min_freq and d_max_freq, is inside a
> function trying to limit it's output to between +PI and -PI.
>
> if(100e3 > M_PI)
> return(100e3-M_TWOPI)
>
> or 99993.7168... error can get close to zero, but frequency will
> never be less than d_freq_min.
>
d_freq is not in Hz. It needs to be in radians per sample, which should
always be less than PI.
Matt
- Re: [Discuss-gnuradio] pll_refout_cc - finding optimum alpha & beta ??, (continued)
- 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, 2006/03/17
- 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 <=
- 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