MF1121-1

MF1121-1 FOR IF FILTER OF PCS HAND HELD MF1121-1 FEATURES PACKAGE OUTLINE DIMENSIONS 2.0 7.1 10-0.8 Index DESCRIPTION This SAW filter for the IF filter circuit of PCS 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. 2.54 6 7 5 4 8 3 9 10 2 1 APPLICATION PCS Handheld 2.54 2.54 BOTTOM VIEW 9.1 5 : IN 10 : OUT 3 : Coupling Coil Other : GND SIDE VIEW Measurement Circuit IN 4.8 OUT 3pF 5 3pF 3 33nH 10 33nH OUT TOP VIEW Unit : mm IN ELECTRICAL PERFORMANCE PRELIMINARY Item Center Fraquency (f0) Insertion Loss at f0 Pass Band Ripple Group Delay Ripple Frequency range 336.00 MHz 336.00 MHz f0 –50 kHz ~ f0 +70 kHz f0 –80 kHz ~ f0 +100 kHz f0 –80 kHz ~ f0 +100 kHz f0 –78.0 MHz ~ f0 –3.0 MHz f0 –3.0 MHz ~ f0 –0.8 MHz f0 –800 kHz ~ f0 –600 kHz Stop band Attenuation (relative to 0 dB) f0 –600 kHz ~ f0 –400 kHz f0 +400 kHz ~ f0 +600 kHz f0 +600 kHz ~ f0 +800 kHz f0 +800 kHz ~ f0 +3.0 MHz f0 +3.0 MHz ~ f0 +20.0 MHz f0 +20 MHz ~ f0 +78.0 MHz Package Size Operating temperature range: –25 ~ +85°C Min. ––– 4.5 ––– ––– ––– 50.0 45.0 40.0 25.0 25.0 40.0 45.0 40.0 50.0 4.8 × 9.1 × 2.0 mm –40 –60 –40 –60 Typ. ––– 5.5 0.8 1.0 1.1 65.0 60.0 54.0 60.0 38.0 50.0 55.0 50.0 58.0 Max. ––– 7.0 1.5 3.0 2.0 ––– ––– ––– ––– ––– ––– ––– ––– ––– Units ––– dB dBp-p µSEC [dB] 0 –1 –2 –3 –4 –5 MF1...