available on tape and reel for pick and place manufacturing. usa/canada: toll free: europe : (315) 432-8909 (800) 544-2414 +44 2392-232392 model XDL20-7-115S rev. a delay line description the xdl20-7-115 is a surface mount delay line that uses a slow wave coupling structure that maximizes t he amount of delay per unit area over other distributed delay structures. the xdl20-7-115 can be used in amplifier linearization applications from 1930 ? 1990mhz. the xdl20-7- 115 is ideal for use in the main loop of feed forward and in pre-distortion amplifiers. the xinger? delay lines are a low cost, high quality alternative to the traditional coaxial and filter solu tions presently available. parts have been subjected to rigorous qualification testing and units are 100% tested. available 6 of 6 tin immersion (xd l20-7-115s) rohs compliant finishes electrical specifications features: ? production friendly ? consistent delay ? stable over temperature ? surface mountable ? available in tape&reel ? non-lead solder paste compatible ? available in lead-free as illustrated) or tin-lead ? 100% tested frequency (mhz.) 1930?1990 pcs band mean delay (ns) 11.45 0.20 deviation from linear phase (degrees max) 0.50 amplitude flatness (db p-p) 0.10 return loss (db min) 20 insertion loss (db/ns) 0.55 power handling (watts) 1 jc (c/watts) 3.4 operating temp. (c) -55 to +85 specification based on performance of unit properly installed on microstrip printed circuit boards with 50 nominal impedance. specifications subject to change without notice. outline drawing .134 .013 [3.39 0.33 ] 1.000 .010 [25.40 0.25 ] 1.000 .010 [25.40 0.25 ] 2x .070 .004 sq [1.78 0.10 ] pin 2 pin 1 xdl20-7-115* mechanical outline dimensions are in inches [millimeters] hot via 2x .037 .004 [0.94 0.10 ] gnd 2x .062 .004 [1.58 0.10 ] gnd denotes array number orientation marker denotes pin location .774 .004 [19.65 0.10 ] 2x r.116 hot via hot via .773 .004 [19.64 0.10 ] .848 .004 [21.54 0.10 ] * for rohs compliant versions order with s suffix tolerances are non-cumulative
usa/canada: toll free: europe: (315) 432-8909 (800) 544-2414 +44 2392-232392 available on tape and reel for pick and place manufacturing. model XDL20-7-115S rev. a typical performance: 1.5 ghz. to 2.5 ghz average delay the average delay is defined as the group del ay of the input signal through the delay line. the lot-to-lot variation is reflected in the plus/minus tolerance given in specifications. refer to anaren application note aan-232 fo r further information on xinger delay lines. mounting guidelines: in order for xinger surface mount delay lines to work optimally, there must be 50 transmission lines leading to and from all of the rf ports. also, there must be a very good ground plane under the part with a number of plated thru holes to insure proper electrical performance. if any of these conditions are not satisfied, insertion loss, average delay and vswr may not meet published specifications. when a surface mount delay line is mounted to a printed circuit board (pcb), the primary concerns are; insuring the rf pads of the device are in contact with the circuit trace of the pcb and the ground plane of neither the component nor the pcb are in contact with the rf signal. an example of how the pcb footprint could look is shown below. in particular designs, the 50 lines need to be adjusted to the unique dielectric coefficients and thicknesses as well as varying pick and place equipment tolerances. xdl20-7-115* mounting footprint dimensions are in inches [millimeters] 4x 50 transmission line 2x .076 sq [1.93] to insure proper electrical and thermal performance there must be a ground plane with 100% solder connection underneath the part 2x ?.116 [2.95] .869 [22.06] .848 [21.54] .889 [22.58] multiple plated thru holes to ground 2x .037 [0.94] 2x .037 [0.94] tolerances are non-cumulative
available on tape and reel for pick and place manufacturing. usa/canada: toll free: europe : (315) 432-8909 (800) 544-2414 +44 2392-232392 model XDL20-7-115S rev. a packaging information parts are available in both reel and tube. packaging follows eia 481-2. part s are oriented in tape and reel as shown below. minimum order quantitie s are 250 per reel and 19 per tube. orientation marker
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