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lc72130 pdf datasheet
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大小:666 |
2008-07-31
南风一号
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The LC72130 and LC72130M are PLL frequency
synthesizers for use in tuners in radio cassette recorders
and other products.
Applications
PLL frequency synthesizer
Functions
• High-speed programmable dividers
— FMIN: 10 to 160 MHz ..........pulse swallower
(built-in divide-by-two prescaler)
— AMIN: 2 to 40 MHz ..............pulse swallower
0.5 to 10 MHz ...........direct division
• IF counter
— IFIN: 0.4 to 12 MHz ...........AM/FM IF counter
• Reference frequencies
— Twelve selectable frequencies
(4.5 or 7.2 MHz crystal)
1, 3, 5, 9, 10, 3.125, 6.25, 12.5, 15, 25, 50 and 100 kHz
synthesizers for use in tuners in radio cassette recorders
and other products.
Applications
PLL frequency synthesizer
Functions
• High-speed programmable dividers
— FMIN: 10 to 160 MHz ..........pulse swallower
(built-in divide-by-two prescaler)
— AMIN: 2 to 40 MHz ..............pulse swallower
0.5 to 10 MHz ...........direct division
• IF counter
— IFIN: 0.4 to 12 MHz ...........AM/FM IF counter
• Reference frequencies
— Twelve selectable frequencies
(4.5 or 7.2 MHz crystal)
1, 3, 5, 9, 10, 3.125, 6.25, 12.5, 15, 25, 50 and 100 kHz
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