Cobham Microwave RF & Microwave Filters - Cobham plc

Cob-fcer-082Ceramic FiltersFEATURES• Center Frequency : 1237 MHz• Bandwidth : 1222 MHz to 1252 MHz• Input Power (max) : 0 dBm• Insertion losses @ fo : < 4 dB• Operating temperature : -40°C to +71°CDESCRIPTIONThe cob-fcer-082 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 ValueCentre frequency MHz 1237.5Bandwidth MHz > 30Group delay variation in ± 12MHz bw ns < 5 nsPass band loss variation in ± 12MHz bw dBc < 0.5Pass band insertion loss in ± 12MHz bw dB < 4Pass band return loss in ± 12MHz bw ns >14Impedance in/out Ω 50Attenuation at f 1350 MHz dBc > 40ENVIRONMENTAL SPECIFICATIONSSymbol Unit ValueStorage Temperature Range T °C -50 → +85Operating Temperature Range T °C -40°C / +71 °CHumidity95% @ 55°C duration 48 hVibrations10 G peak 5 - 2000 HzShocks30 GOTHER SPECIFICATIONSSymbol Unit ValueDimensions L x l x h mm 15 x 19.5 x 5Weight g < 3ConnectorsSMD68 Cobham Microwave