Title :
Eliminating interference on TV transmitter due to adjacent FM transmitter by using an intermediate frequency filter
Author :
Prakash, R. ; Lamdharia, S. ; Chandra, D.G.
Author_Institution :
Dish TV India Ltd., Noida, India
Abstract :
TV transmitters based on satellite communication uses geostationary satellites to broadcast the signal in C-Band & Ku-Band frequency spectrum to Up-link the signal over satellite. Audio-Video signals obtained from different sources like Studio, Fields or already stored in suitable formats are converted into Radio Frequency (RF). The transmission system involves multistage devices cascaded with each other using coaxial cables and metallic connectors which can act as antenna to receive spurious signals from the surroundings. These undesirably introduced spurious signals or noise if transmitted by the system becomes a source of interference. In this paper we will propose a practical solution of this problem.
Keywords :
direct broadcasting by satellite; frequency modulation; interference suppression; radiofrequency filters; television transmitters; TV transmitter; adjacent FM transmitter; coaxial cables; geostationary satellites; interference elimination; intermediate frequency filter; metallic connectors; satellite communication; spurious signals; Band pass filters; Frequency conversion; Frequency modulation; Interference; Microwave filters; Radio transmitters; TV; Bandpass Filters; C-Band; Intermediate Frequency(IF); Ku-Band;
Conference_Titel :
Communication, Information & Computing Technology (ICCICT), 2012 International Conference on
Conference_Location :
Mumbai
Print_ISBN :
978-1-4577-2077-2
DOI :
10.1109/ICCICT.2012.6398215