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| MF1105-1 FOR IF FILTER OF GSM HAND HELD MF1105-1 FEATURES ELECTRICAL PERFORMANCE PRELIMINARY Item Center Fraquency (f0) Bandwidth (f0-3 dB) Insertion Loss at f0 Pass Band Ripple Group Delay Ripple Frequency range 246.0 MHz --- 246.0 MHz f0 110 kHz f0 110 kHz f0 -21.6 MHz f0 -10.8 MHz f0 - 1.2 MHz f0 - 0.7 MHz f0 - 0.6 MHz IN DESCRIPTION This SAW filter for the IF filter circuit of GSM hand held 1. SMD package insures small size, lightweight. 2. Adjustment free. 3. Low insertion loss and high stop band attenuation. 4. Wide and sharp passband characteristics. 5. High stability and reliability. 6. Designed for reflow solderings. Min. --- 110 --- --- --- 65.0 60.0 40.0 33.0 25.0 22.0 25.0 30.0 35.0 40.0 60.0 60.0 290 // - 6.0 pF 7.0 x 5.0 x 1.8 mm Typ. --- 150 3.0 1.0 0.4 70.0 66.0 60.0 38.0 30.0 28.0 30.0 36.0 42.0 50.0 67.0 65.0 Max. --- --- 4.0 1.5 1.0 --- --- --- --- --- --- --- --- --- --- --- --- Units --- kHz dB dBp-p sec p-p APPLICATION * GSM Handheld PACKAGE OUTLINE DIMENSIONS 7 f0 - 0.5 MHz Stop band Attenuation (relative to 0 dB) f0 + 0.5 MHz f0 + 0.6 MHz f0 + 0.7 MHz f0 + 1.2 MHz 1.8 5 dB OUT f0 +10.8 MHz f0 +21.6 MHz Terminal Impedance Typ. R0.20 REF. 5.00 Typ. Typ. 1.27 Typ. R0.20 REF. Package Size Operating temperature range: -10 ~ +60C INDEX MARK Typ. 0.10 REF Typ. 0.80 Typ. 0.90 Unit : mm Measurement Circuit 6pF IN 39nH 6pF OUT 39nH - 78 - 3.00 Typ. - 79 - |
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