Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate
2007-09-25
2007-09-25
Anderson, Matthew (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
C455S078000, C455S334000, C455S230000, C455S232100, C455S260000, C455S073000, C246S044000
Reexamination Certificate
active
11325528
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.
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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
Yun Eugene
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