Radio frequency digital-to-analog converter

Details Radio frequency digital-to-analog converter Radio frequency digital-to-analog converter

2006-06-13

2008-12-30

Jeanglaude, Jean B (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S136000, C341S135000, C341S132000

Reexamination Certificate

active

07471226

ABSTRACT:
A radio frequency digital-to-analog converter with a programmable current output. In exemplary aspects of the invention, improved apparatus and methods for providing (i) current mirror matching, (ii) enhanced current pulse rising edge performance, (ii) reduced base voltage swing, and (iv) compensated high voltage swing, are provided. The foregoing apparatus and methods can be applied to any RF signal application (wireless or otherwise), including for example wireless cellular handsets.

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