MF1121-1 FOR IF FILTER OF PCS HAND HELD MF1121-1 FEATURES PACKAGE OUTLINE DIMENSIONS 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. 2.0 7.1 10-0.8 Index 2.54 DESCRIPTION 6 7 8 9 10 5 4 3 2 1 2.54 APPLICATION • PCS Handheld 2.54 BOTTOM VIEW 5 : IN 10 : OUT 3 : Coupling Coil Other : GND SIDE VIEW Measurement Circuit 9.1 IN 4.8 3pF 5 OUT 3 OUT 3pF Unit : mm TOP VIEW 33nH IN 10 33nH ELECTRICAL PERFORMANCE PRELIMINARY Frequency range Min. Typ. Max. Units Center Fraquency (f0) 336.00 MHz ––– ––– ––– ––– Insertion Loss at f0 336.00 MHz 4.5 5.5 7.0 dB f0 –50 kHz ~ f0 +70 kHz ––– 0.8 1.5 f0 –80 kHz ~ f0 +100 kHz ––– 1.0 3.0 f0 –80 kHz ~ f0 +100 kHz ––– 1.1 2.0 f0 –78.0 MHz ~ f0 –3.0 MHz 50.0 65.0 ––– f0 –3.0 MHz ~ f0 –0.8 MHz 45.0 60.0 ––– f0 –800 kHz ~ f0 –600 kHz 40.0 54.0 ––– f0 –600 kHz ~ f0 –400 kHz 25.0 60.0 ––– f0 +400 kHz ~ f0 +600 kHz 25.0 38.0 ––– f0 +600 kHz ~ f0 +800 kHz 40.0 50.0 ––– f0 +800 kHz ~ f0 +3.0 MHz 45.0 55.0 ––– Item Pass Band Ripple Group Delay Ripple Stop band Attenuation (relative to 0 dB) f0 +3.0 MHz ~ f0 +20.0 MHz f0 +20 MHz ~ f0 +78.0 MHz 40.0 50.0 ––– 50.0 58.0 ––– dBp-p µSEC MF1121-1 TYPICAL CHARACTERISTICS Insertion Loss vs. Frequency [dB] 0 S21 log MAG Group Delay 1 dB / REF 0 dB CH1 S21 delay [µS]00 1 µs / REF 4 µs –1 –2 –3 6 –4 –5 4 2 dB CENTER 336.000 000 MHz SPAN 1.000 000 MHz CH1 CENTER 336.000 000 MHz Attenuation vs. Frequency (5 MHz Span) CH1 S21 log MAG SPAN 1.000 000 MHz Attenuation vs. Frequency (50 MHz Span) 10 dB / REF 0 dB CH1 S21 SWR [dB] 0 [dB] 0 –20 –20 –40 –40 –60 –60 10 dB / REF 0 dB 4.8 × 9.1 × 2.0 mm Package Size Operating temperature range: –25 ~ +85°C CH1 CENTER – 84 – 336.000 000 MHz SPAN CENTER 336.000 000 MHz 5.000 000 MHz – 85 – SPAN 10.000 000 MHz