e-series rf 4:1 transformer 3.5 - 700 mhz ETK4-3T 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 4:1 impedance ratio ct on secondary description m/a-com? ETK4-3T is a 4:1 rf transformer in a low-cost, surface mount package. ideally suited for high volume cellular and wireless applications. typical applications include single to balanced mode conversion and impedance matching. schematic speci?ations @ 25? frequency range: 3.5 - 700 mhz ordering information part no. packaging ETK4-3T tubes ETK4-3Ttr tape & reel sm-22 pin con?uration pin no. function 1 secondary dot 2 secondary ct 3 secondary 4 primary 5 primary dot l l s 0980 b dimensions in ( ) are in mm. unless otherwise noted: .x = ?.04 (1.00) .xx = ?.02 (0.50) .xxx = ?.010 (0.250) pri sec parameter maximum mean (x) sigma ( s ) insertion loss (f l - f u ) 40 - 200 mhz 1.0 db 0.64 db 0.034 3.5 - 500 mhz 2.0 db 500 - 700 mhz 4.0 db amplitude unbalance 3.5 - 200 mhz 0.3 db 200 - 700 mhz 1.0 db phase unbalance 3.5 - 700 mhz 15 note: mean and sigma calculated from average loss at @ (f u - f l )/2 + f l .
e-series rf 4:1 transformer ETK4-3T 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 rf power 250 mw dc current 30 ma operating/storage temp. -20? to +85? typical performance over extended bandwidth (30 khz - 1.0 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 ?3.0 unit0s31 ?.0b ?3.0 unit0s21 ?.0a b1 a1 0.0 pb 360.0a 30.0 khz freq 1.0 ghz a a1 ?.0 ?b 5.0a 30.0 khz freq 1.0 ghz b y?s= 1.0 iprl b 30.0 khz freq 1.0 ghz a 30.0 khz freq 1.0 ghz b 30.0 khz freq 1.0 ghz a
|
