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PE83513 Datasheet(PDF) 4 Page - Peregrine Semiconductor Corp. |
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PE83513 Datasheet(HTML) 4 Page - Peregrine Semiconductor Corp. |
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4 / 6 page  PE83513 Product Specification Copyright Peregrine Semiconductor Corp. 2003 File No. 70/0118~02A | UTSi CMOS RFIC SOLUTIONS Page 4 of 6 VDD IN N/C GND GND OUT CTL OUT / C2 1000 pF J2-7 J3 J4 J5 C10 10 pF C3 1000pF J1 C1 1000pF C4 1000pF Figure 7. Evaluation Board Schematic Diagram Figure 8. Evaluation Board Layout Evaluation Kit Operation The PE83513 EK board was designed to ease customer evaluation of Peregrine’s high performance divide-by-8 Military Grade Prescaler. On this board, the device input (pin 2) is connected via J1 and a 50Ω transmission line. A series capacitor (C3) provides the necessary DC block for the device input. It is important to note that the value of this capacitance will impact the performance of the device. A value of 1000pF was found to be optimal for this board layout; other applications may require a different value. The device output (pin 7) is connected to connector J3 through a 50Ω transmission line. A series capacitor (C1) provides the necessary DC block for the device output. Note that this capacitor must be chosen to have low impedance at the desired output frequency the device. The value of 1000pF was chosen to provide a wide operating range for the evaluation board. The board is constructed of a two-layer FR4 material with a total thickness of 0.031”. The bottom layer provides ground for the RF transmission lines. The transmission lines were designed using a coplanar waveguide above ground plane model with trace width of 0.030”, trace gaps of 0.007”, dielectric thickness of 0.028”, metal thickness of 0.0014” and εr of 4.4. Note that the predominate mode for these transmission lines is coplanar waveguide. J2 provides DC power to the device. Starting from the lower left pin, the second pin to the right (J2-3) is connected to the device VDD pin (1). Two decoupling capacitors (10 pF, 1000 pF) are included on this trace. It is the responsibility of the customer to determine proper supply decoupling for their design application. Applications Support If you have a problem with your evaluation kit or if you have applications questions call (858) 455-0660 and ask for applications support. You may also contact us by fax or e-mail: Fax: (858) 455-0770 E-Mail: help@peregrine-semi.com PE83513 |
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