Cobham Microwave RF & Microwave Filters - Cobham plc

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Cob-dcer-019Ceramic DuplexersFEATURES• Low Channel Center Frequency : 1882.5 MHz• Low Channel Bandwidth : 1850 MHzto 1915 MHz• High Channel Center Frequency : 1962.5 MHz• High Channel Bandwidth : 1930 MHzto 1995 MHz• Input Power (max) : 5 W• Insertion losses @ fo : < 3 dB• Operating temperature : -40°C to +85°CDESCRIPTIONThe cob-dcer-019 is a dielectric resonatorduplexer ideal for DCS repeater applications.Very high thermal stability, excellent selectivitycombined to best in class electrical performancesare offered in a low profile SMD package.ELECTRICAL SPECIFICATIONSItem Com >> Low Com >> HighCenter frequency (fo) 1882.5 MHz 1962.5Bandwidth (BW) fo ±32.5 [1850 ˜ 1915] MHz fo ±32.5 [1930 ˜ 1995] MHzInsertion Loss in BW 3.0 dB max. 3.0 dB max.Ripple in BW 1.0 dBpp 1.0 dBppReturn Loss in BW 14 min. 14 min.Input Power5.0 W max.Attenuation(Absolute Value)20 dBc min. @ 1930˜1995 MHz 20 dBc min. @ 1850˜1915 MHzIn/Out Impedance50 ΩOperation Temperature Range -40 °C to + 85°COUTLINE DRAWINGAPPLICATIONS• DcsTOP VIEWBOTTOM VIEWFRONT VIEWCobham Microwave 164
Cob-dcer-021Ceramic DuplexersFEATURES• Low Channel Center Frequency : 1950 MHz• Low Channel Bandwidth : 1920 MHzto 1980 MHz• High Channel Center Frequency : 2140 MHz• High Channel Bandwidth : 2110 MHzto 2170 MHz• Input Power (max) : 3W• Insertion losses @ fo : < 3 dB• Operating temperature : -40°C to +85°CDESCRIPTIONThe cob-dcer-021 is a dielectric resonatorduplexer ideal for UMTS repeater applications.Very high thermal stability, excellent selectivitycombined to best in class electrical performancesare offered in a low profile SMD package.ELECTRICAL SPECIFICATIONSItem Ant >> RX Ant >> TXCenter frequency (fo) 1950.0 MHz 2140.0 MHzBandwidth [BW] fo ± 30.0 MHz fo ± 30.0 MHzInsertion Loss in BW 3.0 dB max. 1.7 dB max.Ripple in BW 2.0 dB max. 2.0 dB max.V S W R in BW 1.5 : 1 max. 1.5 : 1 max.Attenuation(Absolute Value)45dB min 50dB typ 2110˜2170 MHz30 dB min. @ 1805~1840 MHz15 dB min. @ 2000~2010 MHz30 dB min. @ 2010~2110 MHz30 dB min. @ 2170~1275 MHz25 dB min. @ 1840~1880 MHzInput Power3.0 W max.In/Out Impedance50 ΩOperation Temperature Rang -40 °C to + 85°C55dB min 60dB typ 1920˜1980 MHz24 dB min. @ 2010~2025 MHz55 dB min. @ 2500~2570 MHzAPPLICATIONSOUTLINE DRAWING• UmtsTOP VIEWSIDE VIEWBOTTOM VIEWCobham Microwave 165
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Cobham MicrowaveRF & Microwave Filt
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ContentsPresentationCobham Microwav
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DIODESFILTERS &DUPLEXERSISOLATORS &
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AIR CAVITY FILTERS CERAMIC FILTERS
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FiltersCavity filtersCeramic filter
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FiltersMarketsCobham Microwave 19
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OUTLINE DRAWINGTYPICAL PERFORMANCES
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OUTLINE DRAWINGCobham Microwave 29
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Cob-fcer-041Ceramic FiltersFEATURES
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Page 113 and 114: OUTLINE DRAWINGTYPICAL PERFORMANCES
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Page 163: OUTLINE DRAWINGTYPICAL PERFORMANCES
Page 167 and 168: TECHNOLOGYAir cavityCeramic resonat
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Cobham Microwave RF & Microwave Filters - Cobham plc

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