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W3013 - W3013 Indirect Quadrature Modulator with Gain Control

Datasheet Summary

Description

The W3013 is a monolithic integrated circuit that provides indirect, quadrature modulation of an RF carrier by I & Q baseband inputs.

The function performed by the W3013 is particularly suited for handheld digital cellular and digital cordless telephones that operate between 800 MHz and 2.2 GHz.

Features

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Datasheet Details

Part number W3013
Manufacturer Agere Systems
File Size 145.12 KB
Description W3013 Indirect Quadrature Modulator with Gain Control
Datasheet download datasheet W3013 Datasheet
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Full PDF Text Transcription

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Preliminary Data Sheet November 1998 W3013 Indirect Quadrature Modulator with Gain Control Features n n n n n n n n Description The W3013 is a monolithic integrated circuit that provides indirect, quadrature modulation of an RF carrier by I & Q baseband inputs. The function performed by the W3013 is particularly suited for handheld digital cellular and digital cordless telephones that operate between 800 MHz and 2.2 GHz. The circuit block diagram is shown below. From a single local-oscillator input (LO1), the phase shifter produces two LO signals with 90° phase separation and equal amplitude. The LO signals are fed to the in-phase (I) and quadrature (Q) double-balanced mixers. The resulting signals are summed and fed into an RF mixer where the frequency can be translated to over 2 GHz.
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