21MS7.5A

Specify Surface Mounted Monolithic Crystal Filters 21.4MHz & 45MHz 7.0 +/-0.2 Quartz Crystal Filters 5.0 +/-0.2 4 3 2 1 3 2.54 4 5 6 1 2 Pin 1 2 3 4 5 6 2-Pole Gnd Gnd Out Gnd Gnd 4-Pole Gnd Connected to 5 In/Out Gnd Connected to 2 Out/In 1.0 1.3 Max 4.6 FEATURES Small Size Surface Mounted Low Insertion Loss Single Package 4-Pole STANDARD Model APPLICATIONS UHF & VHF Radio Wireless Telemetry Wireless LAN Pagers SPECIFICATIONS Centre Frequency (MHz) 21.40000 45.000 Fundamental 21.40000 No Poles 2 4 2 2 4 2 45.000 Fundamental 4 +/-7.5 Passband Width at -3dB (kHz) +/-3.75 Ripple Insertion Loss (dB) (dB) 1 1.5 1 2.5 1.0 2.0 1 1.5 1 1.0 1.0 3.0 4.0 4.0 StopBand Width (dB) (kHz) 18.0 +/-18 35 +/-14 10.0 +/-12.5 15.0 +/-45 35.0 15.0 30.0 +/-25 +/-25 +/-25 Guaranteed Attenuation (F0~+/-kHz) -910 +/-10 -910 +/-10 -910 +/-10 -910 +/-10 +200 ~ +1,000 -200 ~ -1,000 -910+-10% -200 ~ -1,000 +200 ~ +600 +600 ~ +1,000 Terminating Impedence (kOhm//pF) 0.85//6.0 0.85//3.5 0.20//4 3//0.5 1.5//1.5 0.65//3 0.9//2.0 Qty per Filter 1 2 1 1 1 1 1 21MS7.5A 21MS7.5B 45MSF7.5A 21MS15A 21MS15B 45MSF15A 45MSF15B (dB) 50 80 70 50 70 70 90 70 20 SOLDER PATTERN 2.2 1.4 1 2 INTERNAL CONNECTION 2 3 4 1 3 4 5 4.0 2.54 6 5 6 6.0 www.aelcrystals.co.uk quartz based frequency control components Order Hotline +44 1293 524245 50 www.aelcrystals.co.uk sales@aelcrystals.co.uk