Cobham Microwave RF & Microwave Filters - Cobham plc

Cob-fcer-080Ceramic FiltersFEATURES• Center Frequency : 1237 MHz• Bandwidth : 1227 MHz to 1247 MHz• Input Power (max) : 1 W• Insertion losses @ fo : < 3 dB• Operating temperature : -30°C to +70°CDESCRIPTIONThe cob-fcer-080 is a dielectric resonator filterideal for stringent requirement such as the onesof Avionics and Space applications. Very highthermal stability, excellent selectivity combinedto best in class electrical performances areoffered in a low profile SMD package.APPLICATIONS• Gps• Space• AvionicsELECTRICAL SPECIFICATIONSSymbol Unit ValueImpedance Z Ω 50Center Frequency Fo MHz 1237Insertion loss @ Fo dB < 3.0-1dB bandwidth Bw MHz > 20Ripple in bandwith [1227 – 1247] MHz dBpp < 0.3Return loss in bandwith [1227 – 1247] MHz dB > 14Attenuation [ 1350 – 2500 ] MHz dBc > 12Group Delay Variation in Bandwidth [1227 – 1247] MHz ns < 0.5Group Delay Stability [+15 / +35]°C ps < 50Average Power W 1ENVIRONMENTAL SPECIFICATIONSSymbol Unit ValueOperating Temperature Range T °C -30 → +70Storage Temperature Range T °C -40 → +85OTHER SPECIFICATIONSSymbol Unit ValueDimensions L x l x h mm 25.4x12.7x10Weight g 10 ± 1ConnectorsSMD66 Cobham Microwave