No. SP-LFZ-555-01 Preliminary DUAL MATCHING FILTER (Preliminary) 1. Characteristics (at -40~+85C) Tentative Part Number LFD21891MMF3D931TEMP Frequency Range (BW) 869.50 6.50 MHz ANT Port Impedance (Nominal) 50 Tx/Rx/TRx Port Impedance (Nominal) Conjugate match with Si-Lab 446x series 1.7 dB Max at +25C. Tx 1.95 dB Max at -40~+85C Insertion Loss in BW 3.3 dB Max at +25C. Rx 3.6 dB Max at -40~+85C 34.0 dB Min. at 2f0 Attenuation (Absolute value) Tx 34.0 dB Min. at 3f0 ANT Port V.S.W.R. in Tx BW 1.54 Max. ANT Port V.S.W.R. in Rx BW 2.60 Max. Power Capacity 500 mW max. 2. Construction, Dimensions & Marking 3. Land Pattern <Top View> <Bottom View> 0.900 T L 0.600 A 0.400 (4 )(3 )( 2 ) (1 ) 0.100 (1 0 ) (5 ) (6 ) ( 7 )(8 ) (9 ) C2 a1 p 1 0.600 Mark Meaning 1.300 A Directional Input Mark (in mm) (in mm) Land Mark Dimension Mark Dimension L 2.000.15 a2 0.300.15 Solder resist W 1.250.15 c1 0.200.15 No pattern T 0.7max c2 0.400.15 Solder resist a1 0.250.15 p1 0.500.15 Through Hole 0.30 TERMINAL CONFIGURATION Terminal No. Terminal Name Terminal No. Terminal Name *Line width to be designed to match 50 characteristic impedance, (1) NC (6) NC depending on PCB material and thickness. (2) GND (7) TX (3) GND (8) RX N (4) ANT (9) RX P (5) GND (10) GND Terminal of NC should be fixed to the no connected pattern. All the technical data and information contained herein are subject to change without prior notice. W a2 C1 0.150 0.425 0.925 * * * *No. SP-LFZ-555-01 Preliminary CAUTION PLEASE READ THIS NOTICE BEFORE USING OUR PRODUCTS. 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