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WE904, WE9102, WE9110B

Table of contents:
Info of WE904
Info of WE9102
Info of WE9110B

WE904, WE9102, WE9110B Selling Leads, Datasheet

MFG:RADIA Package Cooled:QFP D/C:01+

WE904, WE9102, WE9110B Datasheet download

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Part Number: WE904

MFG: RADIA

Package Cooled: QFP

D/C: 01+

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WE904 General Description

WE904/905 are single-chip FM/FSK transceiver ICs operate between 100 to 1000 MHz. Utilizing a unique direct-conversion, zero-intermediate frequency (zero-IF) receiver architecture, WE904/905 provides radio designers a high performance RF transceiver solution with low external component count and small PCB footprint.

The receiver section of the WE904/905 provide all of the required receiver functions including local oscillator synthesis (VCO), down-conversion, filtering, automatic gain control (AGC), automatic frequency control (AFC), FM/FSK demodulator and RSSI functions.

The transmitter section contains a directly modulated VCO and RF power amplifier (PA).

Internal, dual, high-performance phase locked loop (PLL) synthesizers/VCOs allow full duplex or halfduplex operation over the entire RF tuning range. Tuning, power management, and gain control (manual) functions are accomplished via serial interface.

WE904 Features

100MHz to 1GHz Operating Frequency
􀁸 2.7 - 3.3V Operation
􀁸 +3.0 dBm Tx Output Power
􀁸 -103 dBm Rx Sensitivity
􀁸 Full Duplex
􀁸 Dual VCO
􀁸 FM/FSK Modulator
􀁸 No Tuning "Tankless" FM Demodulator
􀁸 Direct-Conversion, Zero-IF Architecture
􀁸 Low External Component Count
􀁸 Serial Programming Interface
􀁸 Low Standby Current
􀁸 Thin-Quad Flat Package (TQFP-48)

WE904 Typical Application

􀁸􀀃 US ISM band (902-928 MHz), Europe SRD band (868MHz) - Wireless Voice/Data Products
􀁸􀀃 900 MHz Cordless Phones
􀁸􀀃 AMR/Telemetry/Data Radios

WE904 Connection Diagram

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