No. CD948-01 Balance Matching BAND PASS FILTER 1. Characteristics (at -40 85 C) Tentative Part Number LFB182G45BG7D948 Unbalance Port Impedance (Nominal) 50 (Nominal) Balance Port Impedance (Nominal) Conjugate match to Nordic nRF51xx series(CSP) Center Frequency 2450.00 MHz Frequency Range (BW) 2450.00 50.00 MHz Insertion Loss in BW 2.90 dB max. at 25 C 3.25 max. at -40 ~ +85 C Attenuation (Absolute value) 2.3 dB min. at 2800.00 MHz 29.0 dB min. at 4800.00 ~ 5000.00 MHz 14.0 dB min. at 7200.00 ~ 7500.00 MHz Unbalance Port V.S.W.R.in BW. 3.6 max. Balance Port V.S.W.R.in BW 3.1 max. Amplitude Balance 3.0 dB max Phase Differency 180+/-16.5 deg. Power Capacity 500 mW max. 2. Construction, Dimensions & Marking 3. Land Pattern L T 0 .6 2 5 A 0 .3 7 5 (3) (2) (1) 0 .2 5 0 0 .1 2 5 W c (4) (5) (6) * b a e p * * Mark Meaning A Directional Input Mark 0 .2 5 0 (in mm) 0 .3 7 5 Mar k D imension Mar k Dimensio n Mark Dimen sion L 1.60. 1 a 0.20.1 e 0.30. 1 W 0.80. 1 b 0.20 +0.1 0/-0 .15 p 0.500. 05 (in mm) T 0.7 max. c 0.150.10 - - Land TERMINAL CONFIGURATION Solder resist Terminal No. Termi nal No. Ter minal Name Termin al Name No pattern (1) Unbalance Port (4) Balance Port Solder resist (2) GND(DC fee d) (5) GND (3) Balance Port (6) NC Through Hole 0.30 Terminal of NC should be fixed to the no connected pattern. Line width to be designed to match 50 characteristic impedance, depending on PCB material and thickness. All the technical data and information contained herein are subject to change without prior notice. 0 .9 5 0 0 .6 0 0 0 .2 0 0 0 .0 7 5 0 .0 7 5 0 .2 0 0No. CD948-01 CAUTION PLEASE READ THIS NOTICE BEFORE USING OUR PRODUCTS. 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