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m o .c U Products Information E 4 t e e Filter ( Monolithic Crystal !"#$) MCF series h UM Series S MCF a at .D w w
Applications ! etc. !" Features Small metal welded package.
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Pager, Cordless phone, Protable phone & wireless communication, !"#$%&'()*+,
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High stability temperature range. !"#$%&'( Steep cutoff characteristic. !"#$%& Typical specifications For normal 21.4MHz series (
Type
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Loss (dB) dB fo KHz Guaranteed attenuation
Nominal Pass Band Stop Band Ripple frequency Pole dB KHz dB KHz dB KHz (dB) (MHz)
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21S081A 21S082A 21S121A 21S122A 21S151A 21S152A 21S301A 21S302A 21.800 21.400 2 4 2 4 2 4 2 4 3 3 3 3 3 3 3 3 3.75 20 3.75 40 6.0 20 6.0 40 7.5 18 7.5 40 15.0 15 15.0 40 18.0 14.0 25.0 20.0 25.0 25.0 45.0 50.0 0.5 1.0 0.5 1.0 0.5 1.0 0.5 1.0 1.5 2.5 1.5 2.5 1.