公开(公告)号：CA2655452A1

公开(公告)日：2007-12-21

申请号：CA2655452

申请日：2007-06-15

Applicant: BITWAVE SEMICONDUCTOR INC

Inventor： BOHORQUEZ JOSE ,  DAWSON JOEL ,  KILPATRICK JOHN ,  VENUTI JEFF

IPC: H04B1/40 ,  H04L27/00

Abstract: Transmitter architectures designed to accommodate both constant and non-c onstant of envelope modulation schemes and capable of providing local oscill ator carrier frequencies within any one of numerous desired frequency bands, thus allowing compliance with many different communication standards. One e xample of a programmable frequency synthesizer includes a plurality of trans mitter components and a microcontroller coupled to the frequency synthesizer and to the plurality of transmitter components. The microcontroller is adap ted to provide a frequency control signal to the frequency synthesizer to co ntrol a frequency of the local oscillator carrier frequency. In addition, th e microcontroller is also adapted to provide digital control signals to at l east some of the plurality of transmitter components to turn on and off diff erent ones of the plurality of transmitter components based on an operating mode of the transmitter, such that the transmitter can accommodate both cons tant envelope modulation and non-constant envelope modulation schemes.

公开(公告)号：WO2007147130A3

公开(公告)日：2008-08-21

申请号：PCT/US2007071365

申请日：2007-06-15

Applicant: BITWAVE SEMICONDUCTOR INC ,  KILPATRICK JOHN ,  DAWSON JOEL ,  BOHORQUEZ JOSE ,  VENUTI JEFF

Inventor： KILPATRICK JOHN ,  DAWSON JOEL ,  BOHORQUEZ JOSE ,  VENUTI JEFF

IPC: H04B1/40 ,  H04L27/00

CPC classification number: H04B1/0483 ,  H04B1/406 ,  H04L27/0008

Abstract: Transmitter architectures designed to accommodate both constant and non-constant of envelope modulation schemes and capable of providing local oscillator carrier frequencies within any one of numerous desired frequency bands, thus allowing compliance with many different communication standards. One example of a programmable frequency synthesizer includes a plurality of transmitter components and a microcontroller coupled to the frequency synthesizer and to the plurality of transmitter components. The microcontroller is adapted to provide a frequency control signal to the frequency synthesizer to control a frequency of the local oscillator carrier frequency. In addition, the microcontroller is also adapted to provide digital control signals to at least some of the plurality of transmitter components to turn on and off different ones of the plurality of transmitter components based on an operating mode of the transmitter, such that the transmitter can accommodate both constant envelope modulation and non-constant envelope modulation schemes.

Abstract translation: 发射机体系结构旨在适应常数和非常数的包络调制方案，并且能够在许多期望的频带内提供本地振荡器载波频率，从而允许符合许多不同的通信标准。 可编程频率合成器的一个示例包括多个发射器部件和耦合到频率合成器和多个发射器部件的微控制器。 微控制器适于向频率合成器提供频率控制信号以控制本地振荡器载波频率的频率。 此外，微控制器还适于基于发射机的操作模式向多个发射机组件中的至少一些提供数字控制信号以接通和关闭多个发射机组件中的不同发射机组件，使得发射机可以 适应恒定包络调制和非恒定包络调制方案。