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XMC2560E-03 Datasheet(PDF) 8 Page - Anaren Microwave |
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XMC2560E-03 Datasheet(HTML) 8 Page - Anaren Microwave |
8 / 17 page Model XMC2560E-03 Rev B USA/Canada: Toll Free: Europe: (315) 432-8909 (800) 411-6596 +44 2392-232392 Available on Tape and Reel for Pick and Place Manufacturing. the interface pad will have less capacitive reactance than the Anaren test board. In this case, a wider section of line before the interface pad (or a larger interface pad) will introduce a shunt capacitance and when properly tuned will match the performance of the Anaren test board. The entry angle of the traces has a significant impact on the RF performance and these parts have been optimized for the layout used on the test boards shown below. Testing Sample Parts Supplied on Anaren Test Boards If you have received a coupler installed on an Anaren produced microstrip test board, please remember to remove the loss of the test board from the measured data. The loss is small enough that it is not of concern for Return Loss and Isolation/Directivity, but it should certainly be considered when measuring coupling and calculating the insertion loss of the coupler. An S-parameter file for a “Thru” board (see description of “Thru” board above) will be supplied upon request. As a first order approximation, one should consider the following loss estimates: Frequency Band Avg. Ins. Loss of Test Board @ 25 °C 2500 MHz ~ 0.29dB 4000 MHz ~ 0.41dB 6000 MHz ~ 0.57dB For example, a 4300MHz, 10dB coupler on a test board may measure –10.60dB from input to the coupled port at frequency F1=4000 MHz. When the loss of the test board is removed, the coupling at F1 becomes -10.19dB (- 10.60dB + 0.41dB). This compensation must be made to both the coupled and direct path measurements when calculating insertion loss. The loss estimates in the table above come from room temperature measurements. It is important to note that the loss of the test board will change with temperature. This fact must be considered if the coupler is to be evaluated at other temperatures. Orientation Marker A printed circular feature appears on the top surface of the coupler to designate Pin 1. This orientation marker is not intended to limit the use of the symmetry that these couplers exhibit but rather to facilitate consistent placement of these parts into the tape and reel package. This ensures that the components are always delivered with the same orientation. Refer to the table on page 2 of the data sheet for allowable pin configurations. |
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Similar Description - XMC2560E-03 |
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