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:
Jul. 21, 2015
Filed:
Dec. 21, 2012
Kameswara Rao Balijapalli, Chennai, IN;
Ravi Kishore, Chennai, IN;
Kumaralingam Ramamoorthy, Chennai, IN;
Karthikeyan Shanmugavelu, Chennai, IN;
Deepa Vedhanayagam, Chennai, IN;
Kameswara Rao Balijapalli, Chennai, IN;
Ravi Kishore, Chennai, IN;
Kumaralingam Ramamoorthy, Chennai, IN;
Karthikeyan Shanmugavelu, Chennai, IN;
Deepa Vedhanayagam, Chennai, IN;
HCL Technologies Limited, Chennai, Tamil Nadu, IN;
Abstract
The directional coupler supports ultra high bandwidth of 5600 MHz (from 400 MHz to 6 GHz) in compact structure and also provides high directivity of (>15 dB). The coupler uses a two stage micro-strip directional coupler for a frequency range of 400 MHz to 6 GHz, where the first stage supports a frequency of operation from 0.4 GHz to 1 GHz and the second stage supports a frequency of operation from 1 GHz to 6 GHz and the required coupled port can be chosen using a radio frequency switch as required by the application used in.