Preview them online, download PDF files or ask for hard copies of our new SIRA and Kathrein catalogues.
learn moreGlossary
This section contains a full collection of technical terms, each one accompanied by a brief description with regard to the sectors in which SIRA carries out its operations: broadcasting, telecoms, cables and connectors.
To navigate through this glossary, just click on one of the letters in the list to go to the corresponding entries.
-
Filter
The bandpass filter is a passive device that allows frequencies to pass within a given range (bandpass) and rejects frequencies outside this range (stop band).
The bandpass filter is a passive device that allows frequencies to pass within a given range (bandpass) and rejects frequencies outside this range (stop band).
-
FM bandpass combiner filter
The FM bandpass combiner filter conveys one or more radio frequencies in a single broadcasting antenna. Eg: a combination of two frequencies in a single transmitting antenna.
The FM bandpass combiner filter conveys one or more radio frequencies in a single broadcasting antenna. Eg: a combination of two frequencies in a single transmitting antenna.
-
FM double bridge combiner filter
The FM double bridge (or constant impedance) combiner filter is comprised of two filters, two 3dB hybrids and a balance load. It features a filtered input (Narrow Band, NB) and a non-filtered input. (Wide Band, WB).
The FM double bridge (or constant impedance) combiner filter is comprised of two filters, two 3dB hybrids and a balance load. It features a filtered input (Narrow Band, NB) and a non-filtered input. (Wide Band, WB).
-
FM star point combining filter
The star point combining filter is comprised of a minimum of two and up to a maximum of N bandpass filters, coaxial lines and a combination point (coaxial joint). It features two or N filtered inputs (even number).
The star point combining filter is comprised of a minimum of two and up to a maximum of N bandpass filters, coaxial lines and a combination point (coaxial joint). It features two or N filtered inputs (even number).
pag. 1 di 1
