MF1049-2

MF1049-2 FOR WIRELESS LOCAL LOOP, Tx MF1049-2 FEATURES MF1049-2 TYPICAL CHARACTERISTICS Insertion Loss vs. Frequency CH1 S21 log MAG 1 dB / REF 0 dB DESCRIPTION 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. Input VSWR vs. Frequency CH1 S11 SWR 500 m / REF 1 [dB] 0 –1 –2 –3 –4 –5 2.0 1.0 3.0 APPLICATION Cordless telephone Portable cellular telephone Wireless equipment Rating MAXIMUM RATINGS CENTER 445.000 000 MHz SPAN 100.000 000 MHz CENTER 445.000 000 MHz SPAN 100.000 000 MHz Value 50 –20 to 75 –30 to 85 Unit mW °C °C [dB] 0 –10 –20 –30 –40 –50 Attenuation vs. Frequency CH2 S21 log MAG 10 dB / REF 0 dB Output VSWR vs. Frequency CH1 S22 SWR 500 m / REF 1 Input Power Operating Temperature Range Storage Temperature Range 3.0 2.0 1.0 ELECTRICAL PERFORMANCE Parameter PASSBAND FREQUENCY PASSBAND CHARACTERISTICS Insertion Loss Ripple VSWR STOPBAND ATTENUATION 0 – 400 MHz 485 – 640 MHz 640 – 900 MHz 900 – 1350 MHz 40 35 30 20 MF1049-2 Min Typ Max 440 – 450 2.4 0.4 1.6 48 45 40 30 3.5 1.5 2.5 Units MHz dB dBp-p PACKAGE OUTLINE DIMENSIONS 9.1 START .300 000 MHz STOP 2 000.000 000 MHz CENTER 445.000 000 MHz SPAN 100.000 000 MHz dB dB dB dB 1.5 4.8 ...