MF1049-2 FOR WIRELESS LOCAL LOOP, Tx MF1049-2 DESCRIPTION FEATURES MF1049-2 TYPICAL CHARACTERISTICS This SAW filter for the transmitting RF circuit of wireless local loop communication equipment operating at 440 MHz ~ 450 MHz. 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. Insertion Loss vs. Frequency CH1 S21 log MAG Input VSWR vs. Frequency CH1 S11 SWR 1 dB / REF 0 dB 500 m / REF 1 [dB] 0 –1 –2 –3 3.0 –4 –5 2.0 1.0 APPLICATION MAXIMUM RATINGS CENTER • Cordless telephone • Portable cellular telephone • Wireless equipment Rating Value Unit 50 mW Operating Temperature Range –20 to 75 °C –10 Storage Temperature Range –30 to 85 °C –20 Input Power 445.000 000 MHz SPAN CENTER 100.000 000 MHz Attenuation vs. Frequency CH2 S21 log MAG 445.000 000 MHz SPAN 100.000 000 MHz Output VSWR vs. Frequency CH1 S22 SWR 10 dB / REF 0 dB 500 m / REF 1 [dB] 0 –30 3.0 –40 –50 ELECTRICAL PERFORMANCE 2.0 PACKAGE OUTLINE DIMENSIONS 1.0 MF1049-2 Min Typ Max Units PASSBAND FREQUENCY 440 – 450 MHz PASSBAND CHARACTERISTICS Insertion Loss Ripple VSWR 2.4 0.4 1.6 dB dBp-p Parameter 9.1 2 000.000 000 MHz CENTER dB dB dB dB 7.1 INDEX 10-0.8 6 7 5 4 2.54 8 9 3 2 1 2.54 10 2.8 48 45 40 30 STOP 1.5 40 35 30 20 2.54 STOPBAND ATTENUATION 0 – 400 MHz 485 – 640 MHz 640 – 900 MHz 900 – 1350 MHz 3.5 1.5 2.5 .300 000 MHz 4.8 START 5 : IN (50Ω) 10 : OUT (50Ω) Other : GND Unit : mm DIMENSIONS ARE IN MILLIMETERS ±0.2 UNLESS OTHERWISE SPECIFIED – 40 – – 41 – 445.000 000 MHz SPAN 100.000 000 MHz