MF1105-1 FOR IF FILTER OF GSM HAND HELD MF1105-1 DESCRIPTION FEATURES ELECTRICAL PERFORMANCE 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. PRELIMINARY Frequency range Min. Typ. Max. Units 246.0 MHz ––– ––– ––– ––– ––– ±110 ±150 ––– kHz Insertion Loss at f0 246.0 MHz ––– 3.0 4.0 dB Pass Band Ripple f0 ± 110 kHz ––– 1.0 1.5 dBp-p µsec p-p Item Center Fraquency (f0) Bandwidth (f0-3 dB) Group Delay Ripple APPLICATION PACKAGE OUTLINE DIMENSIONS • GSM Handheld 7 IN 5 Stop band Attenuation (relative to 0 dB) 1.8 OUT Typ. R0.20 REF. 5.00 Typ. Typ. 1.27 Typ. R0.20 REF. f0 ± 110 kHz ––– 0.4 1.0 f0 –21.6 MHz 65.0 70.0 ––– f0 –10.8 MHz 60.0 66.0 ––– f0 – 1.2 MHz 40.0 60.0 ––– f0 – 0.7 MHz 33.0 38.0 ––– f0 – 0.6 MHz 25.0 30.0 ––– f0 – 0.5 MHz 22.0 28.0 ––– f0 + 0.5 MHz 25.0 30.0 ––– f0 + 0.6 MHz 30.0 36.0 ––– f0 + 0.7 MHz 35.0 42.0 ––– f0 + 1.2 MHz 40.0 50.0 ––– f0 +10.8 MHz 60.0 67.0 ––– f0 +21.6 MHz 60.0 65.0 ––– Terminal Impedance 290 Ω // – 6.0 pF Package Size 7.0 × 5.0 × 1.8 mm 3.00 Typ. Operating temperature range: –10 ~ +60°C INDEX MARK Typ. 0.10 REF Typ. 0.80 Typ. 0.90 Unit : mm Measurement Circuit 6pF IN 39nH 6pF OUT 39nH – 78 – – 79 – dB