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PE42556 Datasheet(PDF) 5 Page - Peregrine Semiconductor Corp. |
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PE42556 Datasheet(HTML) 5 Page - Peregrine Semiconductor Corp. |
5 / 10 page Product Specification PE42556 Page 5 of 10 Document No. 70-0289-06 │ www.psemi.com ©2009-2012 Peregrine Semiconductor Corp. All rights reserved. Evaluation Kit Figure 6. Evaluation Board Layouts Peregrine Specification 101/0402 Figure 7. Evaluation Board Schematic Peregrine Specification 102/0478 The SPDT switch EK Board was designed to ease customer evaluation of Peregrine's PE42556 (dual use with PE42554). The RF Common port is connected through a 50 ohm transmission line via the top SMA connector, J1. RF1 and RF2 are connected through 50 ohm transmission lines via SMA connectors J3, and J2, respectively. A through 50 ohm transmission line is available via SMA connectors J4 and J5. This transmission line can be used to estimate the loss of the PCB over the environmental conditions being evaluated. The board is constructed of a four metal layers with a total thickness of 62 mils. The top and bottom layers are ROGERS RO4003 material with an 8 mil core and Er = 3.55. The middle layers provide ground for the transmission lines. The RF transmission lines were designed using a coplanar waveguide with ground plane model using a trace width of 15 mils, and trace gaps of 10 mils. X General Comments -- Transmission lines connected to J1, J2, and J3 should have exactly the same electrical length. J4 to J5. NOTES: 1. USE 101-0402-02 PCB should have the same length as J4 and J5 and be in parallel to The path from J2 to J3 including the distance through the part 6 RFC 8 RF1 4 RF2 U1 PE42554 1 CTL 3 LS 5 NC 7 VDD 2 GND 4 GND 6 GND 8 GND 9 VSS 11 GND 10 GND 12 GND J9 HEADER, 12 PIN 1 2 J3 1 2 J2 1 2 J5 1 2 J4 1 2 J1 |
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