Detailed Product Description

The transmitter is microwave wide-band TV transmitting equipment, it is made ac,MMDS Transmitter,MMDS

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 Muti-channel 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 +40^oC
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