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Dual down conversion GPS receiver with single local oscillator 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-001/26
출원번호 US-0360081 (1989-06-01)
발명자 / 주소
  • Eschenbach Ralph E. (Redwood City CA) Woo Arthur N. (Cupertino CA)
출원인 / 주소
  • Trimble Navigation, Ltd. (Sunnyvale CA 02)
인용정보 피인용 횟수 : 143  인용 특허 : 0

초록

An antenna is employed to receive a (1540 f0) L1 GPS-satellite signal. In addition, a filter, an (RF) amplifier, a harmonic mixer, and a (sole) local oscillator are employed, the combination configured to mix the seventh harmonic of a 192 f0 local oscillator generated signal with the receive satelli

대표청구항

A receiver for receiving a 1540 f0 GPS-satellite signal, said receiver comprising in combination: an antenna for receiving the GPS-satellite signal; means for filtering and amplifying the received GPS-satellite signal; a local oscillator for generating a local oscillator signal; a first mixer connec

이 특허를 인용한 특허 (143)

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