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XDL20-11-180S Datasheet(PDF) 2 Page - Anaren Microwave |
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XDL20-11-180S Datasheet(HTML) 2 Page - Anaren Microwave |
2 / 3 page Model XDL20-11-180S Rev. A USA/Canada: Toll Free: Europe: (315) 432-8909 (800) 544-2414 +44 2392-232392 Available on Tape and Reel For Pick and Place Manufacturing. TYPICAL PERFORMANCE: 600 MHz. TO 1200 MHz. Insertion Loss -5 -4.5 -4 -3.5 -3 -2.5 -2 -1.5 -1 600 700 800 900 1000 1100 1200 Frequency [MHz] Return Loss -60 -50 -40 -30 -20 -10 0 600 700 800 900 1000 1100 1200 Frequency [MHz] AVERAGE DELAY: The average delay is defined as the group delay 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 for further information on Xinger delay lines. MOUNTING GUIDELINES: In order for Xinger surface mount delay lines to work optimally, there must be 50 Ω 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 ensure proper electrical performance. If any of these conditions are not satisfied, insertion loss, average delay and VSWR may not meet published specifications. To ensure proper electrical and thermal performance there must be a ground plane with 100% solder connection underneath the part .889 [22.58] .400 [10.15] .089 [2.27] .013 [0.34] 3x .037 [0.94] 2x .062 [1.59] 2x .020 [0.52] 4x .062 [1.57] 2x .076 SQ [1.93] .848 [21.54] 2x 50? Transmission Line 2x .037 [0.94] .869 [22.06] 2x R.058 R.045 Dimensions are in Inches [Millimeters] XDL20-11-180S Mounting Footprint Multiple Plated Thru Holes to Ground 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 Ω lines need to be adjusted to the unique dielectric coefficients and thicknesses as well as varying pick and place equipment tolerances. |
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