(PDF) SAA1057 Datasheet - Radio tuning PLL frequency synthesizer

Número de pieza	SAA1057
Descripción	Radio tuning PLL frequency synthesizer
Fabricantes	Philips
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No Preview Available ! INTEGRATED CIRCUITS DATA SHEET SAA1057 Radio tuning PLL frequency synthesizer Product speciﬁcation File under Integrated Circuits, IC01 November 1983 1 page Philips Semiconductors Radio tuning PLL frequency synthesizer Product speciﬁcation SAA1057 (1) During the zero set-up time (tLZsu) CLB can be LOW or HIGH, but no transient of the signal is permitted. This can be of use when an I2C bus is used for other devices on the same data and clock lines. Fig.2 BUS format. Fig.3 Bit organization of data words A and B. November 1983 5 5 Page Philips Semiconductors Radio tuning PLL frequency synthesizer Product speciﬁcation SAA1057 Transient times of the bus signals When the SAA1057 is operating in a system with continuous activity on the bus lines, the transient times at the bus inputs should not be less than 100 ns. Otherwise the signal-to-noise ratio of the tuning voltage is reduced. (1) Values depend on the tuner diode characteristics. Fig.6 Application example of the SAA1057PLL frequency synthesizer module. November 1983 11 11 Page

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