Cobham Microwave RF & Microwave Filters - Cobham plc

Cob-dcer-005Ceramic DuplexersFEATURES• Low Channel Center Frequency : 447.5 MHz• Low Channel Bandwidth : 445 MHz to 450 MHz• High Channel Center Frequency : 457.5 MHz• High Channel Bandwidth : 455 MHz to 460 MHz• Input Power (max) : 3 W• Insertion losses @ fo : < 4.5 dB• Operating temperature : -40°C to +85°CDESCRIPTIONThe cob-dcer-005 is a dielectric resonatorduplexer ideal for stringent requirement such asTetra applications. Very high thermal stability,excellent selectivity combined to best in classelectrical performances are offered in a lowprofile SMD package.ELECTRICAL SPECIFICATIONSItem Ant >> Low Ant >> HighCenter frequency (fo) 447.5 MHz 457.5 MHzBandwidth at 1dB (BW) fo ± 2.5 [445 ˜ 450] MHz fo ± 2.5 [455 ˜ 460] MHzInsertion Loss in BW 4.5 dB max. 4.5 dB max.Ripple in BW 2.5 dBpp 2.5 dBppVSWR in BW 1.5: 1max. 1.5: 1max.Attenuation(Absolute Value)Isolation between RX and TxInput PowerOUTLINE DRAWING40dB min. @ 455˜460 MHz8dB min. @ 452.5 MHz35 dB min3.0 W max.In/Out Impedance50 ΩOperation Temperature Range -40 °C to + 85°C40dB min. @ 445˜450 MHz8dB min. @ 452.5 MHzAPPLICATIONSTOP VIEWBOTTOM VIEW• Tetra42.0 [42.5 MAX.]2.3 4.2 5 4 5.5 5.5 4 5 4.32.313.923.0maxPart Number17.29.9LOWANTHIGHHIGHANTLOW5.93245.55.542409.5 max.I/O PORTGROUNDTOLERANCE : ±0.20UNIT : mmCobham Microwave 155