Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate
2008-05-27
2008-05-27
Anderson, Matthew (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
C455S334000, C455S230000, C455S232100, C455S078000, C455S260000, C246S044000
Reexamination Certificate
active
11703803
ABSTRACT:
A wireless communication system includes: a filter; and a semiconductor chip including a signal processing integrated circuit having an amplifier, wherein a main surface of the semiconductor chip is provided with a plurality of electrode terminals along an edge portion thereof; wherein the amplifier has a transistor including a control electrode, a first electrode through which a signal is outputted, and a second electrode to which a voltage is applied; wherein the control electrode, the first electrode and the second electrode of the transistor are connected to the electrode terminals, respectively; and wherein none of wirings are arranged between the electrode terminals and placements of the control electrode, the first electrode and the second electrode, making space between the electrodes and the electrode terminals narrow.
REFERENCES:
patent: 6298246 (2001-10-01), Lysejko et al.
patent: 6308047 (2001-10-01), Yamamoto et al.
patent: 6510309 (2003-01-01), Thompson et al.
patent: 57-43453 (1982-03-01), None
patent: 59-181560 (1984-10-01), None
patent: 02-142185 (1990-05-01), None
patent: 2000-299438 (2000-10-01), None
patent: 00/03490 (2000-01-01), None
Digest of Technical Papers ISSC98/Feb. 5, 1998, pp. 48-49, 411, “A Single-Chip CMOS Transceiver for DSC1800 Wireless Communications”.
Digest of Technical Papers ISSC99/Feb. 16, 1999, pp. 224-225, 463 “Dual Band High-Linearity Variable-Gain Low-Noise Amplifiers for Wireless Applications”.
Hitachi Review, vol. 81, No. 10, Oct. 1999, pp. 17-20.
Takikawa Kumiko
Tanaka Satoshi
Tashiro Yoshiyasu
Anderson Matthew
Hitachi , Ltd.
Mattingly, Stanger Malur & Brundidge PC
Yun Eugene
LandOfFree
Wireless communication system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Wireless communication system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wireless communication system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3950788