Telecommunications – Transmitter and receiver at same station – Having particular housing or support of a transceiver
Patent
1994-03-22
1996-06-04
Faile, Andrew I.
Telecommunications
Transmitter and receiver at same station
Having particular housing or support of a transceiver
455310, 455347, 361752, 361814, H04B 110
Patent
active
055242839
ABSTRACT:
A radio apparatus including a circuit board and a housing in which the circuit board is mounted. An antenna portion, a receiving portion, and a transmitting portion are disposed on the circuit board. The transmitting portion includes a carrier-wave oscillator. The receiving portion includes a high-frequency section, a first intermediate frequency section, a second intermediate frequency section, and a first local oscillator. The high-frequency section, the first intermediate frequency section, the second intermediate frequency section, and the transmitting portion are disposed on the circuit board so as to surround the first local oscillator and the carrier-wave oscillator. The high-frequency section, the first intermediate frequency section, and the second intermediate frequency section each include a filter having an input terminal and an output terminal, and an amplifier having an input terminal and an output terminal. The input terminal of the filter, the output terminal of the filter, the input terminal of the amplifier, and the output terminal of the amplifier are arranged substantially in a straight line such that a distance between the input terminal of the filter and the output terminal of the filter is maximized and a distance between the input terminal of the amplifier and the output terminal of the amplifier is maximized.
REFERENCES:
patent: 4648125 (1987-03-01), Brown
patent: 5033109 (1991-07-01), Kawano et al.
patent: 5239685 (1993-08-01), Moe et al.
patent: 5239689 (1993-08-01), Fukuda
patent: 5276915 (1994-01-01), Marko et al.
patent: 5307503 (1994-04-01), Okada et al.
patent: 5307508 (1994-04-01), Rollins et al.
patent: 5369552 (1994-11-01), Barnes et al.
Fukuchi Satoshi
Miyakawa Akihisa
Faile Andrew I.
Hitachi Denshi Kabushiki Kaisha
LandOfFree
Portable transceiver integrated on a printed circuit board does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Portable transceiver integrated on a printed circuit board, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Portable transceiver integrated on a printed circuit board will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-393822