Cobham Microwave RF & Microwave Filters - Cobham plc

Cob-dcer-011Ceramic DuplexersFEATURES• Low Channel Center Frequency : 1227 MHz• Low Channel Bandwidth : 1213 MHzto 1241 MHz• High Channel Center Frequency : 1575 MHz• High Channel Bandwidth : 1553 MHzto 1597 MHz• Input Power (max) : 30 dBm• Insertion losses @ fo : < 3 dB• Operating temperature : -40°C to +85°CDESCRIPTIONThe cob-dcer-011 is a dielectric resonatorduplexer ideal for stringent requirement such asthe ones of Avionics and Space applications.Very high thermal stability, excellent selectivitycombined to best in class electrical performancesare offered in a low profile SMD package.APPLICATIONS• Gps• Space• AvionicsELECTRICAL SPECIFICATIONSUnitValueInputFrequency Range GHz 1-2Power (max) dBm 30VSWR < 1.5:1Output 1 (L1) BPFCenter frequency f0 MHz 1575Insertion Loss dB 3 dB (max)Bandwidth MHz 44MHz (+/- 22 MHz)Change of Gain in overall Bandwidth dB < 3 dBReturn loss in 80% of bw dB > 14 dBBand rejection @ 32 MHz (from f0) dB 15 dB (min)Band rejection @ 46 MHz (from f0) dB 40 dB (min)Temperature Range -40 °C to +85 °CGroup Delay stability in bw and temperature< 3 nsAbsolute delay variation in bw and temperature< 5 nsVSWR (for all the bandwidth) < 1.5:1Output 2 (L2) BPFCenter frequency f0 MHz 1227Insertion Loss dB 3 dB (max)Bandwidth MHz 28 MHz (+/- 14 MHz)Change of Gain in overall Bandwidth dB < 1.5 dBReturn loss in 80% of bw dB > 14 dBBand rejection @ 32 MHz (from f0) dB 15 dB (min)Band rejection @ 46 MHz (from f0) dB 45 dB (min)Temperature Range -40 °C to +85 °CGroup Delay stability in bw and temperature< 2.0 nsAbsolute delay variation in bw and temperature< 5 nsVSWR (for all the bandwidth) < 1.5:1Isolation between the outputs dB > 30 dBENVIRONMENTAL SPECIFICATIONSSymbol Unit ValueOperating Temperature Range T °C -40 → +85Storage Temperature range T °C -50 → +90Altitude m 3000Vibrations2 hours/axes in accordance with CEI68-2-6Shocks30G, 11ms, half sinusSolvent resistance ( CEI 68-2-45 )OTHER SPECIFICATIONSSymbol Unit ValueDimensions L x l x h mm 19.05x6.5x6.5Weight g 3.9 ± 0.4ConnectorsSMA FemaleCobham Microwave 156