Multiple winding transformer coupled amplifier
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 16, 2014
Issued Date -
N/A
app pub date -
Jan 7, 2013
filing date -
Jan 7, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An integrated circuit includes a radio frequency (RF) amplifier having a trifilar transformer coupled to a gain device in two negative feedback paths. The trifilar transformer includes a first winding, a second winding and a third winding, a first dielectric core is disposed between the first winding and the second winding, and a second dielectric core is disposed between the second winding and the third winding. A first winding ratio between the first winding and the second winding combined with a second winding ratio between the second winding and the third winding affects a total gain of the RF amplifier. In a specific embodiment, the gain device is a transistor, the first winding is coupled to a base of the transistor, the second winding is coupled to a collector of the transistor, and the third winding is coupled to an emitter of the transistor.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
ANALOG DEVICES INC | ONE ANALOG WAY WILMINGTON MA 01887 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Jordan, Edward Perry | Kernersville, US | 9 | 76 |
# of filed Patents : 9 Total Citations : 76 |
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Patent Citation Ranking
- 3 Citation Count
- H03F Class
- 4.09 % this patent is cited more than
- 11 Age
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Maintenance Fees
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 16, 2026 |
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Full Text
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