Amplifier and switched capacitor amplifier circuit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 5, 2012
Grant Date -
Jul 8, 2010
app pub date -
Dec 1, 2009
filing date -
Dec 1, 2008
priority date (Note) -
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Abstract
An amplifier (V) for an integrated circuit amplifier circuit (IC) having a switched capacitor circuit (Cs, Cf) includes a capacitor for frequency compensation (CC1) that is connected in parallel to an amplifier stage (V2). This amplifier is advantageous because at least one second capacitor for frequency compensation (CC2) is selectively connected in parallel to the first capacitor for frequency compensation (CC1) via a switch controlled by a capacitor switching signal (clk).
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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ENTROPIC COMMUNICATIONS INC | 6290 SEQUENCE DRIVE SAN DIEGO CA 92121 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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González, José Manuel Garcia | Waldkirch, DE | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Greitschus, Norbert | Endingen, DE | 10 | 86 |
# of filed Patents : 10 Total Citations : 86 |
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Patent Citation Ranking
- 1 Citation Count
- H03F Class
- 3.66 % this patent is cited more than
- 13 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
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Jan 28, 2018 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Sep 24, 2000 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Sep 22, 2000 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Sep 22, 2000 |
Apr 18, 2000 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Mar 18, 1996 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Dec 03, 1995 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Sep 22, 1992 | I | Issuance | |
May 30, 1990 | F | Filing | |
May 22, 1990 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:ADACHI, NOKIHISA;NAITO, MINORU;WATANABE, SHINJI;REEL/FRAME:005320/0446 Owner name: ISOWA INDUSTRY CO., LTD., JAPAN Effective Date: May 22, 1990 |
Jun 03, 1989 | PD | Priority Date |

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