H03F3/45928- Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit.H03F3/45479- Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection.H03F3/45475- Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit.H03F3/45076- Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier.H03F3/45071- Differential amplifiers with semiconductor devices only.H03F3/00- Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements.H03H11/1291- Current or voltage controlled filters.H03H11/12- Frequency selective two-port networks using amplifiers with feedback.H03H11/04- Frequency selective two-port networks.H03H11/00- Networks using active elements.H03D1/04- Modifications of demodulators to reduce interference by undesired signals.H03D1/00- Demodulation of amplitude-modulated oscillations.H03D- DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER.Publication of US20070153945A1 publication Critical patent/US20070153945A1/en Application granted granted Critical Publication of US7835467B2 publication Critical patent/US7835467B2/en Status Active legal-status Critical Current Adjusted expiration legal-status Critical Links Assignors: GUPTA, RAVI Assigned to QUALCOMM INCORPORATED reassignment QUALCOMM INCORPORATED MERGER (SEE DOCUMENT FOR DETAILS). ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Qualcomm Inc filed Critical Qualcomm Inc Priority to US11/325,804 priority Critical patent/US7835467B2/en Assigned to BERKANA WIRELESS, INC. Original Assignee Qualcomm Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Ravi Gupta Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires Application number US11/325,804 Other versions US20070153945A1
Google Patents DC offset correction for high gain complex filterÄownload PDF Info Publication number US7835467B2 US7835467B2 US11/325,804 US32580406A US7835467B2 US 7835467 B2 US7835467 B2 US 7835467B2 US 32580406 A US32580406 A US 32580406A US 7835467 B2 US7835467 B2 US 7835467B2 Authority US United States Prior art keywords offset voltage output filter signal Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US7835467B2 - DC offset correction for high gain complex filter US7835467B2 - DC offset correction for high gain complex filter