e-series rf 3:1 transformer 200 - 400 mhz et3-1t-3 m/a-com, inc. north america: tel. (800) 366-2266 n asia/paci?: tel. +81 (03) 3226-1671 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +81 (03) 3226-1451 fax +44 (1344) 300 020 1 speci?ations subject to change without notice. v3.00 features surface mount 3:1 impedance ratio description m/a-com? et3-1t-3 is a 3:1 rf transformer in a low-cost, surface mount package. ideally suited for high volume cellular and wireless applications. typical appli- cations include impedance matching. schematic speci?ations @ 25? frequency range: 200 - 400 mhz ordering information part no. packaging et3-1t-3 tubes ET3-1T-3TR tape & reel sm-22 pin con?uration pin no. function 1 primary dot 2 not connected 3 primary 4 secondary 5 secondary dot l l s 00767 e dimensions in ( ) are in mm. unless otherwise noted: .x = ?.04 (1.00) .xx = ?.02 (0.50) .xxx = ?.010 (0.250) parameter maximum mean (x) sigma ( s ) insertion loss (f l - f u ) 240 - 400 mhz 1.5 db 0.70 db 0.041 200 - 240 mhz 2.0 db note: mean and sigma calculated at @ 300 mhz pri sec
e-series rf 3:1 transformer, 200 - 400 mhz et3-1t-3 v3.00 m/a-com, inc. north america: tel. (800) 366-2266 n asia/paci?: tel. +81 (03) 3226-1671 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +81 (03) 3226-1451 fax +44 (1344) 300 020 2 speci?ations subject to change without notice. typical performance over extended bandwidth (30 khz - 1 ghz) insertion loss vs frequency input impedance vs frequency note: all measurements performed on hewlett packard 8753d network analyzer (201 sample points, linear scale) in a 50 ohm coplanar waveguide environment. tables created using mds software. s-parameter data available by e-mail. send your request to: eurotec@corp.macom.com. absolute maximum ratings parameter absolute maximum rf power 250 mw dc current 30 ma operating/storage temp. -20? to +85? 30.0 khz freq 1.0 ghz a ?0.0 avgs21 0.0a a1 30.0 khz freq 1.0 ghz b y?s= 1.0 avgiprl b
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