MF1055-2

MF1055-2 FOR WLL, Rx MF1055-2 FEATURES MF1055-2 TYPICAL CHARACTERISTICS Insertion Loss vs. Frequency CH1 S21 log MAG 1 dB / REF 0 dB DESCRIPTION This SAW filter for the receiving RF circuit of wireless local loop communication equipment operating at 485 MHz ~ 495 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 490.000 000 MHz SPAN 100.000 000 MHz CENTER 490.000 000 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 440 – 450 MHz 50 MF1055-2 Min Typ Max 485 – 495 2.7 0.5 1.6 56 4.0 2.0 3.0 Units MHz PACKAGE OUTLINE DIMENSIONS 9.1 START 400.000 000 MHz STOP 500.000 000 MHz CENTER 490.000 000 MHz SPAN 100.000 000 MHz Attenuation vs. Frequency 4.8 CH2 S21 log MAG 10 dB / REF 0 dB dB dBp-p [dB] 0 –10 –20 –30 –40 –50 1.5...