w-cdma/gsm/dcs receive agc and demodulator.
* Digitally Controlled Power Down Mode
* 2.7V to 3.3V Operation
14 I OUT+ 13 I OUT-
VGC2
VGC1
20
1
17
18
IF+
IF-
GSM IN+ 2 GSM IN- 3 DIV2 W-CDMA IN+ 4 W-.
* Multimode W-CDMA/GSM/DCS/EDGE
* W-CDMA Systems
* GSM Systems
RF2689
W-CDMA/GSM/DCS RECEIVE AGC AND DEMODU.
The RF2689 is an integrated complete IF AGC amplifier and quadrature demodulator designed for the receive section of W-CDMA and GSM/DCS applications. It is designed to amplify received IF signals, while providing 70dB of gain control range, a total o.
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