Cobham Microwave RF & Microwave Filters - Cobham plc

Cob-dcer-001Ceramic DuplexersFEATURES• Low ChannelCenter Frequency : 382.5 MHz• Low Channel Bandwidth : 380 MHz to 385 MHz• High Channel Center Frequency : 392.5 MHz• High Channel Bandwidth : 390 MHz to 395 MHz• Input Power (max) : 3 W• Insertion losses @ fo : < 4.5 dB• Operating temperature : -40°C to +85°CDESCRIPTIONThe cob-dcer-001 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) 382.5 MHz 392.5 MHzBandwidth at 1dB (BW) fo ± 2.5 (380 ˜ 385) MHz fo ± 2.5 (390 ˜ 395) 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 DRAWING40 dB min @ 390 ˜ 395 MHz8 dB min @ 387.5 MHz35 dB min3.0 W max.In/Out Impedance50 ΩOperation Temperature Range -40 °C to + 85°C40 dB min @ 380 ˜ 385 MHz8 dB min @ 387.5 MHzAPPLICATIONS• TetraTOP VIEWBOTTOM VIEWCobham Microwave 154