Sell MMDS Transmitter

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Description:General description The transmitter is microwave wide-band TV transmitting equipment, it is made according to Chinese professional standard GY/T132-1998 Muti-channel TV transmitting system. Its function is to emit the Muchannel microwave TV signal to all directional space through only one antenna system; the user can receive all TV programs by a ordinary cheap antenna set. 1.Block scheme 2.FEATURES .Designed on building-block principle; using common set of techniques and modules; small size and easy maintenance; high performance; tested according to GY/T132. .Can be constructed as a transmitter or a transposer. .Class A RF linear power amplifiers with good stability .Equipped with over-voltage, over-current, overheat and over-reflection protection circuits .Meters and LED indication .Fast fault removing by module replacement without any on-site adjustment 3.SPECIFICATIONS Transmitting power 50W,100W,200W Ambient conditions Temperature -10 to +40oC Humidity &le90% Air pressure 86 to 106kPa specifications RF range 2500-2700MHz Input impedance 50Omega Return loss &ge20dB Output impedance 50Omega Return loss &ge26dB Phases noise &le-110dBc/Hz@10kHz Input power (nominal) 0dBm Frequency stability ±1000Hz / month Frequency response ±2dB Group delay ±50ns DG 7% DP ±3° Intermodulation &le -52dB Unwanted emission In adjacent channel &le -46dB Out of adjacent channel &le -65dB