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Block downconverters for wireless CATV

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4 Author(s)
Le-Ngoc, S. ; Dept. of Electr. Eng., Concordia Univ., Montreal, Que., Canada ; LE-NGOC, THO ; Lynes, K. ; Thomas, J.E.

A block downconverter developed using microwave integrated circuits, surface mount devices and regular printed circuit board technology is discussed. A multichannel and multipoint distribution service (MMDS) is used by a cable operator to provide extended coverage beyond a large city presently receiving cable television. MMDS transmitters up-convert and broadcast in the PAL form with a 8-MHz channel bandwidth or the NTSC format with a 6-MHz channel bandwidth in the 2500-2686-MHz band by using a broadband CATV trunk line. The block downconverters take the microwave signal at the receiving antenna, convert back to PAL or NTSC signal in the 222-408-MHz band, and deliver to the TV tuner of the TV set. High-performance and low-cost objectives were achieved

Published in:

Consumer Electronics, IEEE Transactions on  (Volume:35 ,  Issue: 4 )