发明名称 |
Digital architecture for radio-frequency apparatus and associated methods |
摘要 |
A radio-frequency (RF) receiver includes a receiver analog circuitry and a receiver digital circuitry. The receiver analog circuitry resides within a first integrated circuit and the receiver digital circuitry resides within a second integrated circuit. The second integrated circuit couples to the first integrated circuit via a one-bit digital interface. The receiver analog circuitry receives an RF signal and processes the received RF signal to generate a digital signal. The receiver analog circuitry provides the digital signal to the receiver digital circuitry. The receiver digital circuitry includes a digital down-converter circuitry that mixes the digital signal with an intermediate frequency (IF) local oscillator (LO) signal to generate a digital down-converted signal. The receiver digital circuitry also includes a digital filter circuitry that filters the digital down-converted signal to generate a filtered digital signal.
|
申请公布号 |
US7702362(B2) |
申请公布日期 |
2010.04.20 |
申请号 |
US20050287995 |
申请日期 |
2005.11.28 |
申请人 |
SILICON LABORATORIES INC. |
发明人 |
BEHRENS RICHARD T.;PAULUS TOD;SPURBECK MARK S.;SRINIVASAN VISHNU S.;KERTH DONALD A.;SCOTT JEFFREY W.;TUTTLE G. TYSON;VISHAKHADATTA G. DIWAKAR |
分类号 |
H04B1/38;H04B1/28;H04B1/40;H04B15/02;H04B15/04;H04M1/00 |
主分类号 |
H04B1/38 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|