EURO QUARTZ MONOLITHIC CRYSTAL FILTERS Through-hole MCF 49T package, 2, 4, 6 & 8 poles 10.7MHz OUTLINE & DIMENSIONS SPECIFICATIONS Channel Spacing (kHz) 12.5 20.0 25.0 50.0 Model No. of Poles 10M7.5A 10M7.5B 10M7.5C 10M7.5D 10M12A 10M12B 10M12C 10M12D 10M15A 10M15B 10M15C 10M15D 10M30A 10M30B 10M30C 10M30D 2 4 6 8 2 4 6 8 2 4 6 8 2 4 6 8 Pass Bandwidth dB kHz 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ±3.75 ±3.75 ±3.75 ±3.75 ±6.0 ±6.0 ±6.0 ±6.0 ±7.5 ±7.5 ±7.5 ±7.5 ±15 ±15 ±15 ±15 Stop Bandwidth dB kHz 20 40 45 65 18 40 45 65 18 40 45 65 15 30 60 90 ±18 ±14 ±8.75 ±8.75 ±25 ±20 ±15 ±15 ±25 ±25 ±18 ±18 ±50 ±40 ±45 ±30 Insertion Loss dB max. dB max. Ripple 0.5 1.0 2.0 2.0 0.5 1.0 1.0 2.0 0.5 1.0 2.0 2.0 0.5 1.0 2.0 2.0 1.5 2.5 3.5 4.0 2.0 2.5 4.0 2.0 1.5 2.5 3.0 4.0 1.5 2.5 3.0 3.5 Guaranteed Attenuation dB kHz 35 65 65 90 35 65 65 90 35 55 65 90 30 30 65 90 ±300~±1000 ±300~±1000 ±12.5~±300 ±12.5~±300 ±300~±1000 ±300~±1000 ±20~±300 ±20~±300 ±300~±1000 ±300~±1000 ±25~±300 ±25~±300 ±300~±1000 ±300~±1000 ±45~±300 ±50~±300 Term. Imp. Ω//pF 1.8k//5.0 1.8k//4.5 1.8k//3.5 1.8k//3.5 2.5k//2.5 2.5k//1.5 2.5k//1.5 2.5k//1.5 3.0k//2.0 3.0k//1.5 3.3k//1.5 3.3k//1.5 5.0k//0 5.5k//-1.0 5.5k//-1.0 5.5k//-1.0 Package Tandem One Set Package 49T 49T (pair) 49T (3 pcs) 49T (4 pcs) 49T (pair) 49T (3 pcs) 49T (4 pcs) 49T (pair) 49T (3 pcs) 49T (4 pcs) 49T (pair) 49T (3 pcs) 49T (4pcs) PART NUMBER FORMAT Example: 10M7.5A Centre Frequency Code 10M = 10.7MHz Pass Bandwidth (at 3dB min.) 7.5 = ±3.75kHz 12 = ±6.0kHz 15 = ±7.5kHz 30 = ±15kHz Number of Poles A = 2 poles B = 4 poles C = 6 poles D = 8 poles EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk L1 L2 49T L1 L2 49T L1 L2 49T L1 L2