The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 2012
Filed:
Feb. 27, 2008
Zhenying Luo, Medford, MA (US);
Sameer Sonkusale, Arlington, MA (US);
Zhenying Luo, Medford, MA (US);
Sameer Sonkusale, Arlington, MA (US);
Tufts University, Medford, MA (US);
Abstract
A low power BPSK demodulator having a simple architecture, compact design and reliable is provided. The BPSK demodulator includes a first branch () having a first mixer () and a first low pass filter (), a second branch () coupled to the first branch at the output of the first low pass filter () and input of the first mixer () and having a second mixer (), and a third branch () coupled to the second branch at the input and output of the second mixer () and having a third mixer () a second low pass filter () and a voltage control oscillator (), wherein the third branch and the second branch form a charge pumped based phase lock loop that locks onto a carrier frequency of the BPSK demodulator.