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| SHOULDER ELECTRONICS CO., LTD. CRYSTAL FILTER Data Sheet PRODUCT : CRYSTAL FILTER MODEL NO : UM-5 PREPARED : CHECKED : APPROVED : DATE : 2007-01-25 Fengyu York Http://www.shoulder.cn SHOULDER ELECTRONICS CO., LTD. 1. 2 POLE SPECIFICATION NOMINAL FREQUENCY (MHz) 21M7A 21M12A 21M15A 21M30A 21T7A 21T12A 21T15A 21T30A 21.400 21.400 21.400 21.400 21.700 21.700 21.700 21.700 PASS BAND WIDTH (dB) 3 3 3 3 3 3 3 3 (KHz) -/+3.75 -/+6.0 -/+7.5 -/+15 -/+3.75 -/+6.0 -/+7.5 -/+15 STOP BAND WIDTH (dB) 18 15 18 15 18 15 18 15 (KHz) -/+14.0 -/+20.0 -/+25.0 -/+45.0 -/+14.0 -/+20.0 -/+25.0 -/+45.0 INSERTION LOSS (dB) 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 TERMINAL IMPEDANCE (Ohm//pF) 850//7.0 1200//2.5 1500//3.0 3000//0.5 850//5.0 1200//2.5 1500//3.0 3000//0.5 OPERATING TEMP. RANGE (oC) -20 TO +70 -20 TO +70 -20 TO +70 -20 TO +70 -20 TO +70 -20 TO +70 -20 TO +70 -20 TO +70 MODEL RIPPLE (dB) 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 2. 4 POLE SPECIFICATION NOMINAL FREQUENCY (MHz) 21M7B 21M12B 21M15B 21M30B 21T7B 21T12B 21T15B 21T30B 21.400 21.400 21.400 21.400 21.700 21.700 21.700 21.700 PASS BAND WIDTH (dB) 3 3 3 3 3 3 3 3 (KHz) -/+3.75 -/+6.0 -/+7.5 -/+15 -/+3.75 -/+6.0 -/+7.5 -/+15 STOP BAND WIDTH (dB) 40 40 40 40 40 40 40 40 (KHz) -/+14.0 -/+20.0 -/+25.0 -/+50.0 -/+14.0 -/+20.0 -/+25.0 -/+50.0 INSERTION LOSS (dB) 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 TERMINAL IMPEDANCE (Ohm//pF//pF) 850//5//16 1200//2.5//10.5 1500//2//8 3300//0.5//3 850//5//16 1200//2.5//10.5 1500//2//8 3300//0.5//3 OPERATING TEMP. RANGE (oC) -20 TO +70 -20 TO +70 -20 TO +70 -20 TO +70 -20 TO +70 -20 TO +70 -20 TO +70 -20 TO +70 MODEL RIPPLE (dB) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 3. PART NUMBERING UM-5-21M15A Package - Model 4. DIMENSION |
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