Skyworks Solutions, Inc. has introduced three wideband quadrature modulators for cellular infrastructure and high performance radio link applications. These new, fixed gain quadrature modulators are optimized for phase accuracy and amplitude balance to support high performance in a variety of multi-carrier communication systems. The new devices feature a greater than 500 megahertz (MHz) 3dB modulation bandwidth.The modulators accept two differential baseband inputs and a single-ended local oscillator, and generate a single-ended RF output.
The SKY73077 (for 1500 to 2700 MHz), for example, features
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