Datasheet > CME7660-108

CME7660-108

更新时间： 2024-11-07 05:18:47

品牌	Logo	应用领域
思佳讯 - SKYWORKS		二极管
页数	文件大小	规格书
10页	104K
描述
Mixer Diode, Silicon, ROHS COMPLIANT, HERMETIC SEALED PACKAGE-2

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CME7660-108 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	包装说明：	R-XXUC-N2
针数：	2	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8541.10.00.60
风险等级：	5.84	其他特性：	LOW NOISE
配置：	SINGLE	二极管元件材料：	SILICON
二极管类型：	MIXER DIODE	JESD-30 代码：	R-XXUC-N2
湿度敏感等级：	1	元件数量：	1
端子数量：	2	封装主体材料：	UNSPECIFIED
封装形状：	RECTANGULAR	封装形式：	UNCASED CHIP
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
表面贴装：	YES	技术：	SCHOTTKY
端子形式：	NO LEAD	端子位置：	UNSPECIFIED
处于峰值回流温度下的最长时间：	40	Base Number Matches：	1

CME7660-108 数据手册

DATA SHEET

Silicon Schottky Barrier Diodes: Packaged, Bondable Chips

and Beam Leads

Applications

x Detectors

Features

x Available in both P-type and N-type low barrier silicon

x Low 1/f noise

x Bonded junctions for reliability

x Planar passivated beam-lead and chip construction

The choice of N- and P-type silicon allows the designer to

x Packages rated MSL1, 260 qC per JEDEC J-STD-020)

optimize the silicon material for the intended application:

x Doppler mixers and high-sensitivity detectors benefit from using

the low noise characteristics of the P-type silicon.

Skyworks offers lead (Pb)-free, RoHS (Restriction of

Hazardous Substances) compliant packaging.

x Low conversion loss mixers and biased detectors can be

designed using standard N-type material.

Description

Applications

Skyworks packaged, beam-lead and chip Schottky barrier

detector diodes are designed for applications through 40 GHz in

the Ka band. They are made by the deposition of a suitable barrier

metal on an epitaxial silicon substrate to form the junction. The

process and choice of materials result in low series resistance

along with a narrow spread of capacitance values for close

impedance control. P-type silicon is used to obtain superior 1/f

noise characteristics. N-type silicon is also available.

These diodes are categorized by Tangential Signal Sensitivity

(TSS) for detector applications in four frequency ranges: S, X, Ku,

and Ka bands. However, they can also be used as modulators,

high-speed switches, and low-power limiters.

TSS is a parameter that describes a diode’s detector sensitivity. It

is defined as the amount of signal power, below a one-milliwatt

reference level, required to produce an output pulse with an

amplitude sufficient to raise the noise fluctuations by an amount

equal to the average noise level. TSS is approximately 4 dB above

the minimum detectable signal.

Packaged diodes are suitable for use in waveguide, coaxial, and

stripline applications. Beam-lead and chip diodes can also be

mounted in a variety of packages or on special customer

substrates.

The P-type Schottky diodes in this Data Sheet are optimized for

low noise in the 1/f region. They require a small forward bias (to

reduce video resistance) if efficient operation is required. The bias

not only increases sensitivity but also reduces parameter variation

due to temperature change. Video impedance is a direct function

of bias and follows the 26/l (mA) relationship. This is important to

pulse fidelity, since the video impedance together with the

detector output capacitance affects the effective amplifier

bandwidth.

Unmounted beam-lead diodes are especially well suited for use in

Microwave Integrated Circuit (MIC) applications. Mounted beam-

lead diodes can be easily used in MIC, stripline, or other such

circuitry.

These “universal chips” are designed for a high degree of device

reliability in both commercial and industrial uses. The offset bond

pad assures that no mechanical damage occurs at the junction

during the wire bonding. Additionally, the 4 mil bond pad

eliminates performance variation due to bonding, improves

efficiency during manual operations, and is ideal for automated

assembly.

Bias does, however, increase typical noise, particularly in the 1/f

region. Therefore, it should be kept as low as possible (typically 5

to 50 μA).

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

200847B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 2, 2009

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