surface mount circulator fr31-series m/a-com division of amp incorporated n north america: tel. (800) 366-2266, fax (800) 618-8883 n asia/pacific: tel.+85 2 211 1 8088, fax +85 2 2111 8087 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 www.macom.com amp and connecting at a higher level are trademarks. specifications subject to change without notice. v2.00 features 24 db isolation typical, 0.25 db insertion loss typical compatible with pick-and-place manufacturing and solder reflow profiles custom products available with alternate configurations such as couplers, attenuators, higher power terminations, reverse circulation and termination on ports 1 or 2 available as custom product without flange for surface mount applications (solder reflow) designed for wireless telecommunications systems: amps, n-amps, d-amps, egsm, gsm, dcs1800, pcs1900 description m/a-coms surface mount circulators and isolators, designed for cellular applications, feature high performance at low cost. these designs offer the best isolation per insertion loss ratio in the industry and are currently produced in the tens of thousands of pieces per year. these units can be ordered so as to be compatible with solder reflow manufacturing techniques. both circulators and isolators are in stock at all authorized m/a-com distributors. fr31 part number frequency range (mhz) fr31-0001 fr31-0002 fr31-0003 fr31-0004 FR31-0005 fr31-0006 fr31-0007 fr31-0008 869 C 894 925 C 960 1805 C 1880 1930 C 1990 824 C 849 880 C 915 1710 C 1785 1850 C 1910 electrical specifications -10 to +60 c -30 to +85 c parameter units min. typ. max. min. typ. max. isolation db 22 24 2022 insertion loss db 0.25 0.3 0.30 0.35 forward power watts 65 65 vswr 1.20 1.22 surface mount circulator fr31-series
surface mount circulator fr31-series m/a-com division of amp incorporated n north america: tel. (800) 366-2266, fax (800) 618-8883 n asia/pacific: tel.+85 2 211 1 8088, fax +85 2 2111 8087 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 www.macom.com amp and connecting at a higher level are trademarks. specifications subject to change without notice. v2.00 typical performance, t = +25c fr31-0001 isolation insertion loss -45 -40 -35 -30 -25 -20 -15 -10 -5 0 819 852 884 917 frequency (mhz) isolation (db) -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0 819 852 884 917 frequency (mhz) insertion loss (db) fr31-0002 isolation fr31-0003 insertion loss fr31-0004 isolation insertion loss insertion loss isolation -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0 875 908 940 973 1005 frequency (mhz) insertion loss (db) -0 .3 5 -0.3 -0 .2 5 -0.2 -0 .1 5 -0.1 -0 .0 5 0 1750 1795 1840 1885 1930 frequency (mhz) insertion loss (db) -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 1750 1795 1840 1885 1930 frequency (mhz) isolation (db) -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 1880 1912 1943 1975 2006 frequency (mhz) isolation (db) -0.35 -0.3 -0.25 -0.2 -0.15 -0.1 -0.05 0 1880 1912 1943 1975 2006 frequency (mhz) insertion loss (db) -45 -40 -35 -30 -25 -20 -15 -10 -5 0 875 908 940 973 1005 frequency (mhz) isolation (db)
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