BM2450E0805HT BALUN MATCHED SPECIFICATION Rev. A PRODUCT FEATURES 1. Surface mount balun matched filter with a small size of 2.0 X 1.2 X 0.9 mm, RoHS compliant. 2. Provide high rejection rate and DC bias option. 3. Highly stable under temperature and humidity changes. RF CHARACTERISTICS PHYSICAL DIMENSIONS P/N BM2450E0805HT Specification Symbol Dimension (mm) 2.1 max L 2.00 ± 0.15 50 Ω W 1.25 ± 0.10 T 0.90 ± 0.10 A,E,F 0.20 ± 0.15 B 0.30 ± 0.10 35dB @ 880~960 MHz C 0.35 ± 0.10 30dB @ 1575 MHz D 0.65 ± 0.10 G 0.30 ± 0.10 Frequency range 2400 - 2500 MHz Insertion Loss 2.8 dB max VSWR Impedance (Unbalanced) Conjugate matched to BC series of Bluetooth chipset Impedance ( Balanced ) Phase Difference 180°± 10° Amplitude Difference 2.0 dB Max Attenuation ( min.) 25dB @ 1710~1880 MHz 30dB @ 4800~5000 MHz Operating temperature range -40°C to +85°C TERMINAL CONFIGURATION P3 P4 P1 P2 P5 P8 P6 P7 PIN Definition PIN Definition P1 Unbalanced Port P5 Balanced Port P2 DC/GND P6 GND P3 NC P7 Balanced Port P4 GND P8 GND PCB DESIGN/LAYOUT CONSIDERATION Unbalanced Port Note: - Unit in mm - Design trace width to be 50Ω impedance. Frontier Electronics Corp.® http://www.frontierusa.com Page 1 of 2 667 E. Cochran St., Simi Valley, CA 93065 Phone: 1-805-522-9998, Fax: 1-805-522-9989 BM2450E0805HT BALUN MATCHED SPECIFICATION Rev. A Typical RF Performance m1 freq=2.450GHz dB(S(2,1))=-2.101 m2 freq=1.990GHz dB(S(2,1))=-21.365 m3 freq=1.880GHz dB(S(2,1))=-33.849 m4 freq=1.575GHz dB(S(2,1))=-35.698 m5 freq=980.0MHz dB(S(2,1))=-37.403 m6 freq=4.900GHz 6 dB(S(2,1))=-48.975 m1 0 m2 dB(S(2,1)) dB(S(1,1)) -20 m5 m4m3 m6 -40 -60 -80 0 1 2 3 4 5 freq, GHz phase(S(1,3)) phase(S(1,2)) 200 m7 m8 freq=2.450GHz freq=2.450GHz phase(S(1,3))=72.722 phase(S(1,2))=-108.953 m7 100 0 m8 -100 -200 0 1 2 3 4 5 6 freq, GHz Frontier Electronics Corp.® http://www.frontierusa.com Page 2 of 2 667 E. Cochran St., Simi Valley, CA 93065 Phone: 1-805-522-9998, Fax: 1-805-522-9989