e-series rf 1:1 transformer 890 - 960 mhz ETC1-1-4 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 1:1 impedance ratio description m/a-com? ETC1-1-4 is a 1:1 rf transformer in a low-cost, surface mount package. ideally suited for high volume cellular and wireless applications. typical applications include balanced port to single ended port matching. schematic speci?ations @ 25? frequency range: 890 - 960 mhz ordering information part no. packaging ETC1-1-4 tubes ETC1-1-4tr tape & reel sm-22 pin con?uration pin no. function 1 secondary 2 not connected 3 secondary dot 4 primary dot 5 primary l l s 0729 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 ) 890 - 960 mhz 2.0 db 0.18 db 0.011 amplitude unbalance 890 - 960 mhz 1.2 db phase unbalance 890 - 960 mhz 10 note: mean and sigma calculated from average loss at @ (f u - f l )/2 + f l . pri sec
e-series rf 1:1 transformer ETC1-1-4 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. absolute maximum ratings insertion loss vs frequency phase unbalance vs frequency parameter absolute maximum parameter absolute maximum rf power 250 mw dc current 30 ma operating/storage temp. -20? to +85? typical performance over extended bandwidth (30 khz - 3 ghz) amplitude unbalance 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. b1 a1 a1 b1 a1 b1 30.0 khz freq 3.0 ghz b y?s= 1.0 avgiprl b input impedance on smith chart; freq (30 khz to 3 ghz) ?0.0 avgs31 0.0b ?0.0 avgs21 0.0a 30.0 khz freq 3.0 ghz a 30.0 khz freq 3.0 ghz b insertion loss (0 to -10 db) vs freq (30 khz to 3 ghz) 0.0 avgpb2 360.0b 0.0 avgpb1 360.0a 30.0 khz freq 3.0 ghz a 30.0 khz freq 3.0 ghz b phase unbalance (0 to 360 deg) vs freq (30 khz to 3 ghz) 30.0 khz freq 3.0 ghz a ?.0 avgab 5.0a amp unbalance (5 to -5 db) vs freq (30 khz to 3 ghz)
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