Power Supply Method for Circuit Block of Radio-Use Semiconductor Apparatus and Radio-Use Semiconductor Apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
May 8, 2008
app pub date -
Sep 29, 2005
filing date -
Nov 29, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The purpose of the present invention is to reduce the noise of an analog circuit of a radio-use semiconductor apparatus. A power supply voltage is supplied to a low-noise amplifier 12 and a partial circuit of a stereo demodulation circuit 16 from an analog-use power supply. A power supply voltage is supplied to a digital circuit 19, an MPXPLL 17, and pilot signal detection circuit 18 of the stereo demodulation circuit 16 from a digital-use power supply that is separate from the analog-use power supply. This configuration prevents noise generated in a digital circuit from propagating to the analog circuit within the stereo demodulation circuit.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully