Cobham Microwave RF & Microwave Filters - Cobham plc

Cob-fcer-110Ceramic FiltersFEATURES• Center Frequency : 1575 MHz• Bandwidth : 1565 MHz to 1585 MHz• Input Power (max) : 30 dBm• Insertion losses @ fo : < 3.7 dB• Operating temperature : -40°C to +85°CDESCRIPTIONThe cob-fcer-110 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 50Max CW Input Power dBm 30Center Frequency Fo MHz 1575.4Insertion Loss @ Fo dB ≤ 3.7-1dB Bandwidth MHz ≥ 20Return Loss in Bandwidth @ Fo ± 8.5 MHz dB > 13Return Loss in Bandwidth @ Fo ± 9.5 MHz dB > 11Ripple in Bandwidth @ -0.5dB dBpp ≤ 0.5Attenuation @ Fo ± 15 MHz dBc ≥ 4Attenuation @ Fo ± 25 MHz dBc ≥ 17Attenuation @ Fo ± 50 MHz dBc ≥ 40Attenuation @ Fo ± 100 MHz dBc ≥ 50Attenuation @ F < Fo – 150 MHz dBc ≥ 50Attenuation @ F > Fo + 150 MHz dBc ≥ 50Group Delay @ Fo ns 30.5 ± 2Group Delay Variation @ Fo ± 5 MHz ns ≤ 2.0Group Delay Variation @ Fo ± 8 MHz ns ≤ 6.0ENVIRONMENTAL SPECIFICATIONSSymbol Unit ValueOperating Temperature Range T °C -40 → +85Storage Temperature Range T °C -55 → +85OTHER SPECIFICATIONSSymbol Unit ValueDimensions L x l x h mm 12.4x19.5x5Weight g < 4ConnectorsSMD78 Cobham Microwave