3 * Copyright 2006 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
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8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
22 #ifndef INCLUDED_GR_PA_2X2_PHASE_COMBINER_H
23 #define INCLUDED_GR_PA_2X2_PHASE_COMBINER_H
25 #include <gr_sync_block.h>
27 class gr_pa_2x2_phase_combiner;
28 typedef boost::shared_ptr<gr_pa_2x2_phase_combiner> gr_pa_2x2_phase_combiner_sptr;
30 gr_pa_2x2_phase_combiner_sptr gr_make_pa_2x2_phase_combiner ();
33 * \brief pa_2x2 phase combiner
36 * Anntenas are arranged like this:
41 * dx and dy are lambda/2.
43 class gr_pa_2x2_phase_combiner : public gr_sync_block
45 static const int NM = 4;
48 gr_complex d_phase[NM];
50 gr_pa_2x2_phase_combiner ();
51 friend gr_pa_2x2_phase_combiner_sptr gr_make_pa_2x2_phase_combiner();
54 float theta() const { return d_theta; }
55 void set_theta(float theta);
57 int work(int noutput_items,
58 gr_vector_const_void_star &input_items,
59 gr_vector_void_star &output_items);
62 #endif /* INCLUDED_GR_PA_2X2_PHASE_COMBINER_H */