Short range multi-channel microwave transmitter

Details Short range multi-channel microwave transmitter Short range multi-channel microwave transmitter

H - Electricity

04

N

350/20

H04N 7/08 (2006.01) H04J 1/00 (2006.01) H04N 5/38 (2006.01) H04N 7/16 (2006.01)

Patent

CA 2001308

ABSTRACT OF THE DISCLOSURE The invention is a short range improved multi- channel microwave distribution system (MMDS) for local television retransmission. The current MMDS systems cannot produce a satisfactory noise free signal at a low enough transmission wattage to be economic. The invention by using a single microwave frequency modulator in tandem with a power amplifier operating well below the linear/nonlinear output transition point, allows retransmission of a satisfactory noise free signal at low wattage. The improved MMDS is economic in power use and cost, and has a range of about 10 km, under favorable terrain conditions up to 13 km, at 1 watt per channel, antenna output.

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