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RF137

Conexant
Part Number RF137
Manufacturer Conexant
Description Transceiver For GSM Applications
Published Apr 15, 2010
Detailed Description www.DataSheet4U.com RF137 Transceiver For GSM Applications The RF137 Transceiver is a highly integrated device optimize...
Datasheet PDF File RF137 PDF File

RF137
RF137

Overview
www.
DataSheet4U.
com RF137 Transceiver For GSM Applications The RF137 Transceiver is a highly integrated device optimized for use in singleband or multi-band Global System for Mobile Communications (GSM) applications.
In the receive path, the device consists of selectable gain Intermediate Frequency (IF) amplifiers and an image reject downconverter with differential IF outputs.
In the transmit path, the device consists of an In-Phase and Quadrature (I/Q) modulator and a frequency translational loop designed to perform frequency upconversion with high output spectral purity.
This loop has a phase/frequency detector, a charge-pump, a mixer, and buffers for the required isolation between RF out...


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