Articles
Introduction to FM Single Frequency Networks
Werner Drews Single Frequency Networks (SFNs) are a form of broadcast network design where several transmitters use the same frequency channel to send the same signal. SFNs are usually used for radio and digital TV broadcasting FM, AM and digital radio can be transmitted over SFNs while analog television is more problematic because the multiple signal sources tend to produce ghosting.
Tags: iss103 | 2wcom | frequency | fm | am | digital radio | sfn | transmitters | Werner Drews
Contributing Author Werner Drews Click to read
Easy and accurate testing of low-power transmitters for digital TV
N/A Twenty-five kilograms or more: That is how much the test equipment needed for testing digital television transmitters a test receiver, spectrum analyzer, and power meter weigh all together. This weight is not an issue for a transmitter like the one on the Olympic Tower in Munich. It is easily accessible with a van and the elevators in the tower. But what about the many gap-filler stations and transposers?
Tags: iss054 | transmitters | installation | gap-filler | sfn | bandstop filter | ofdm carrier | dvb-t | Rohde & Schwarz | N/A
Contributing Author N/A Click to read
Total Articles: 2 [1-2]