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CXA3685ER

Part Number	CXA3685ER
Manufacturer	Sony Corporation
Description	Direct Conversion IC
Published	Aug 22, 2009
Detailed Description	com Direct Conversion IC for Digital Satellite Broadcast Tuner CXA3685ER Description The CXA3685ER is ...
Datasheet	CXA3685ER PDF File

Overview

...an IC developed for direct orthogonal detection of L band (1 to 2GHz) IF signals in a digital satellite broadcast reception tuner.
This direct conversion (Zero-IF) technology eliminates the need for the SAW filter that was formerly necessary.
In addition, the CXA3685ER incorporates an RF gain control amplifier, oscillator circuit, wide-band phase shifter circuit and other RF circuits, a baseband LPF, baseband gain control amplifier, tuning PLL, and the inductor and varactor diode needed for a tuning VCO.
This makes it possible to realize the front-end RF block without tuning the RF circuits.
(Applications: BS/CS digital broadcast (ISDB-S) tuner) Features Low power consumption: 430mW (typ.
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CXA3685ER Direct Conversion IC - Sony Corporation

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