Datasheet > 3EQHM44-AT-165.00R-C1.5

3EQHM44-AT-165.00R-C1.5

更新时间： 2023-04-15 00:00:00

品牌	Logo	应用领域
EUROQUARTZ		/
页数	文件大小	规格书
2页	254K
描述
Oscillator, 3.5MHz Min, 165MHz Max, 165MHz Nom,

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3EQHM44-AT-165.00R-C1.5 技术参数

是否Rohs认证：	符合	生命周期：	Contact Manufacturer
Reach Compliance Code：	compliant	风险等级：	5.57
安装特点：	SURFACE MOUNT	端子数量：	4
最大工作频率：	165 MHz	最小工作频率：	3.5 MHz
标称工作频率：	165 MHz	最高工作温度：	70 °C
最低工作温度：		封装主体材料：	METAL
封装等效代码：	DILCC4,.38,200	电源：	3.3 V
认证状态：	Not Qualified	子类别：	Other Oscillators
标称供电电压：	3.3 V	表面贴装：	YES
Base Number Matches：	1

3EQHM44-AT-165.00R-C1.5 数据手册

浏览型号3EQHM44-AT-165.00R-C1.5的Datasheet PDF文件第2页

QUARTZ

EURO

EQHM44 Low EMI Oscillator

11.4 x 9.6 x 4.7mm SMD - Group 'R'

Page 1 of 2

Provides up to 15dB reduction in system EMI

‘Drop-in’ replacement for standard clocks

Choice of modulation rate and spread

Package: 11.4 x 9.6 x 4.7mm SMD

In electrical systems the principal cause of electro-

magnetic interference (EMI) is the system clock

oscillator. Traditional methods of 'patching-up' systems

with too high a level of EMI is to use ferrite beads,

filters, ground planes, metal shielding and similar costly

methods, However, the most efficient and economic

method to reduce EMI is to reduce it at source: replace

the system clock ocillator with a low EMI clock oscillator.

DESCRIPTION

EQHM44 series low EMI oscillators can reduce system EMI by 15dB.

The oscillators are a ‘drop-in’ replacement for standard oscillators.

EMI reduction is achieved by the use of Spread Spectrum Technology

whereby the mode energy is spread over a wider bandwidth. The

modulation carrier frequency, operating in the kHz region, makes the

process transparent to the oscillator frequency. There is a choice of

modulation rates and spread to suit application requirements.

Compared with conventional clock oscillators, Spread

Spectrum (Dithered) Oscillators can reduce EMI by as

much as 15dB. The part is a 'drop-in' replacement for a

standard clock oscillator hence there is no requirement

to re-design existing PCBs.

SPREAD SPECTRUM TECHNOLOGY

Unlike a conventional clock oscillator, in a Spread Spectrum Clock

Oscillator the mode energy is spread over a wider bandwidth. This is

achieved by the frequency modulation technique. The controlled

modulation process may be applied to the 'down' side of the nominal

frequency (known as DOWN SPREAD,) or spread equally either side

of nominal (CENTRE SPREAD). Down Spread is preferred if over-

clocking would cause a problem to the system.

APPLICATIONS

Printers, Multiple Function Printers (MPCs)

Digital Copiers; PDAs

Networking: LAN/WAN; Routers

Storage Systems (CD-ROM, VCD, DVD, HDD)

Scanners; Modems; Projectors

Embedded Systems

Musical Instruments

Automotive: GPS car navigation systems

LCD PC Monitors; LSD TVs

ADSL; PCMCIA

Still Digital Cameras (SDCs)

MODULATION TYPES - EXAMPLES

Output amplitude (dB) vs. frequency span (MHz)

EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE

Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk

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与3EQHM44-AT-165.00R-C1.5相关器件

型号	品牌	获取价格	描述	数据表
3EQHM44-AT-165.00R-D1.0	EUROQUARTZ	获取价格	Oscillator, 3.5MHz Min, 165MHz Max, 165MHz Nom,
3EQHM44-AT-165.00R-D3.0	EUROQUARTZ	获取价格	Oscillator, 3.5MHz Min, 165MHz Max, 165MHz Nom,
3EQHM44-AT-3.500R-C0.5	EUROQUARTZ	获取价格	CMOS Output Clock Oscillator, 3.5MHz Min, 165MHz Max, 3.5MHz Nom, ROHS COMPLIANT, HERMETIC
3EQHM44-AT-3.500R-C1.5	EUROQUARTZ	获取价格	CMOS Output Clock Oscillator, 3.5MHz Min, 165MHz Max, 3.5MHz Nom, ROHS COMPLIANT, HERMETIC
3EQHM44-AT-3.500R-D1.0	EUROQUARTZ	获取价格	CMOS Output Clock Oscillator, 3.5MHz Min, 165MHz Max, 3.5MHz Nom, ROHS COMPLIANT, HERMETIC
3EQHM44-AT-3.500R-D3.0	EUROQUARTZ	获取价格	CMOS Output Clock Oscillator, 3.5MHz Min, 165MHz Max, 3.5MHz Nom, ROHS COMPLIANT, HERMETIC
3EQHM44-AT-32.768R-C0.5	EUROQUARTZ	获取价格	11.4 x 9.6 x 4.7mm SMD Spread Spectrum Clock Ocillator
3EQHM44-AT-32.768R-C1.5	EUROQUARTZ	获取价格	11.4 x 9.6 x 4.7mm SMD Spread Spectrum Clock Ocillator
3EQHM44-AT-32.768R-D1.0	EUROQUARTZ	获取价格	11.4 x 9.6 x 4.7mm SMD Spread Spectrum Clock Ocillator
3EQHM44-AT-32.768R-D3.0	EUROQUARTZ	获取价格	11.4 x 9.6 x 4.7mm SMD Spread Spectrum Clock Ocillator

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