Datasheet > PL66X-XXOC

PL66X-XXOC

更新时间： 2022-12-21 17:37:28

品牌	Logo	应用领域
PLL		倍频器
页数	文件大小	规格书
15页	484K
描述
Analog Frequency Multiplier

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PL66X-XXOC 数据手册

Analog Frequency Multiplier

PL660 and PL663 XO Families

EXTERNAL COMPONENT VALUES

INDUCTOR VALUE OPTIMIZATION

The required inductor value(s) for the best performance depends on the operating frequency, and the board layout

specifications. The listed values in this datasheet are based on the calculated parasitic values from PhaseLink’s

evaluation board design. These inductor values provide the user with a starting point to determine the optimum

inductor values. Additional fine-tuning may be required to determine the optimal solution.

To assist with the inductor value optimization, PhaseLink has developed the “AFM Tuning Assistant” software. You

can download this software from PhaseLink’s web site (www.phaselink.com). The software consists of two

worksheets. The first worksheet (named L2) is used to fine-tune the ‘L2’ inductor value, and the second worksheet

(named L4) is used for fine tuning of the ‘L4’ (used in 4x AFMs only) inductor value.

For those designs using PhaseLink’s recommended board layout, you can use the “AFM Tuning Assistant” to

determine the optimum values for the required inductors. This software is developed based on the parasitic

information from PhaseLink’s board layout and can be used to determine the required inductor and parallel

capacitor (see LWB1 and Cstray parameters) values. For those employing a different board layout in their design,

we recommend to use the parasitic information of their board layout to calculate the optimized inductor values.

Please use the following fine tuning procedure:

Figure 5: Diagram Representation of the Related System Inductance and Capacitance

DIE SIDE

- Cinternal = Based on AFM Device

PCB side

- LWB1 = 2 nH, (2 places), Stray inductance

- Cpad = 2.0 pF, Bond pad and its ESD circuitry - Cstray = 1.0 pF, Stray capacitance

- L2X (L4X) = 2x or 4x inductor

- C11 = 0.4 pF, The following amplifier stage

- C2X (C4X) = range (0.1 to 2.7), Fine tune inductor if

used

47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990, FAX (510) 492-0991

www.phaselink.com

Rev. 3/20/07 Page 5

1 2 3 456 7 8...15

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