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W3013

Agere Systems
Part Number W3013
Manufacturer Agere Systems
Description W3013 Indirect Quadrature Modulator with Gain Control
Published Apr 17, 2005
Detailed Description Preliminary Data Sheet November 1998 W3013 Indirect Quadrature Modulator with Gain Control Features n n n n n n n n De...
Datasheet PDF File W3013 PDF File

W3013
W3013

Overview
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 resultin...


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