Datasheet > PL663-29

PL663-29

更新时间： 2023-12-06 20:06:22

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
14页	706K
描述
The Analog Frequency Multipliers? (AFMs) are the industry’s first “Balanced Oscillator” utilizing

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PL663-29 数据手册

Analog Frequency Multiplier

PL663-xx XO Families

BOARD LAYOUT CONSIDERATIONS AND CRYSTAL SPECIFICATIONS

BOARD LAYOUT CONSIDERATIONS

To minimize parasitic effects and improve performance, do the following:



Place the crystal as close as possible to the IC.

Make the board traces that are connected to the crystal pins symmetrical. The board trace symmetry is

very important, as it reduces the negative parasitic effects to produce clean frequency multiplication with

low jitter.

CRYSTAL SPECIFICATIONS

Crystal Resonator

CL (xtal)

Typical

ESR(R_E)

Max.

Part Number

Mode

Frequency (F_XIN)

Max.

PL663-07

PL663-08

Fundamental or

3rd overtone

30 to 80MHz

5 pF

30Ω

60Ω

4.5 pF

4.0 pF

PL663-17

PL663-18

PL663-19

Fundamental or

3rd overtone

75 to 140MHz

140 to 200MHz

PL663-28

PL663-29

Fundamental or

3rd overtone

Note: Non-specified parameters can be chosen as standard values from crystal suppliers.

CL ratings larger than 5pF require a crystal frequency adjustment.

Request detailed crystal specifications from Micrel.

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944-0800 • fax +1(408) 474-1000 • www.micrel.com Rev. 02/18/10 Page 4

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