3 * Copyright 2001,2003 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.
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19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
23 #ifndef INCLUDED_MICROTUNE_4702_H
24 #define INCLUDED_MICROTUNE_4702_H
26 #include <microtune_xxxx.h>
29 * \brief class for controlling microtune 4702 tuner module
33 class microtune_4702 : public microtune_xxxx {
35 microtune_4702 (i2c_sptr i2c, int i2c_addr);
37 virtual ~microtune_4702 ();
40 * \brief select RF frequency to be tuned to output frequency.
41 * \p freq is the requested frequency in Hz, \p actual_freq
42 * is set to the actual frequency tuned. It takes about 100 ms
43 * for the PLL to settle.
45 * \returns true iff sucessful.
47 bool set_RF_freq (double freq, double *actual_freq);
50 * \returns true iff PLL is locked
55 * \returns the output frequency of the tuner in Hz.
57 double get_output_freq ();
63 int d_reference_divider;
64 bool d_prescaler; /* if set, higher charge pump current:
65 faster tuning, worse phase noise
66 for distance < 10kHz to the carrier */
69 #endif /* INCLUDED_MICROTUNE_4702_H */