GNU Radio Manual and C++ API Reference  3.7.9.2
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pll_refout_cc.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2004,2011,2012 Free Software Foundation, Inc.
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5  * This file is part of GNU Radio
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22 
23 #ifndef INCLUDED_ANALOG_PLL_REFOUT_CC_H
24 #define INCLUDED_ANALOG_PLL_REFOUT_CC_H
25 
26 #include <gnuradio/analog/api.h>
28 #include <gnuradio/sync_block.h>
29 
30 namespace gr {
31  namespace analog {
32 
33  /*!
34  * \brief Implements a PLL which locks to the input frequency and outputs a carrier
35  * \ingroup synchronizers_blk
36  *
37  * \details
38  * Input stream 0: complex
39  * Output stream 0: complex
40  *
41  * This PLL locks onto a [possibly noisy] reference carrier on the
42  * input and outputs a clean version which is phase and frequency
43  * aligned to it.
44  *
45  * All settings max_freq and min_freq are in terms of radians per
46  * sample, NOT HERTZ. The loop bandwidth determins the lock range
47  * and should be set around pi/200 -- 2pi/100. \sa
48  * pll_freqdet_cf, pll_carriertracking_cc
49  */
51  : virtual public sync_block,
52  virtual public blocks::control_loop
53  {
54  public:
55  // gr::analog::pll_refout_cc::sptr
56  typedef boost::shared_ptr<pll_refout_cc> sptr;
57 
58  /* \brief Make PLL block that outputs the tracked carrier signal.
59  *
60  * \param loop_bw: control loop's bandwidth parameter.
61  * \param max_freq: maximum (normalized) frequency PLL will lock to.
62  * \param min_freq: minimum (normalized) frequency PLL will lock to.
63  */
64  static sptr make(float loop_bw, float max_freq, float min_freq);
65  };
66 
67  } /* namespace analog */
68 } /* namespace gr */
69 
70 #endif /* INCLUDED_ANALOG_PLL_REFOUT_CC_H */
boost::shared_ptr< pll_refout_cc > sptr
Definition: pll_refout_cc.h:56
Include this header to use the message passing features.
Definition: logger.h:131
synchronous 1:1 input to output with historyOverride work to provide the signal processing implementa...
Definition: sync_block.h:37
Implements a PLL which locks to the input frequency and outputs a carrier.
Definition: pll_refout_cc.h:50
#define ANALOG_API
Definition: gr-analog/include/gnuradio/analog/api.h:30
A second-order control loop implementation class.
Definition: control_loop.h:61