Datasheet > SMS7623-108

SMS7623-108

更新时间： 2024-10-03 10:05:43

品牌	Logo	应用领域
思佳讯 - SKYWORKS		/
页数	文件大小	规格书
8页	820K
描述
Mixer Diode, Silicon, HERMETIC SEALED PACKAGE-1

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SMS7623-108 数据手册

data sheet

Silicon Schottky Barrier Diodes: Packaged, Bondable Chips

and Beam-Leads

Applications

Detectors

Features

Both P-type and N-type low barrier silicon available

Low 1/f noise

Bonded junctions for reliability

Planar passivated beam-lead and chip construction

See also zero bias silicon schottky barrier detector diodes

Description

Skyworks packaged, beam-lead and chip Schottky barrier detector

diodes are designed for applications through 40 GHz in Ka band.

Applications

They are made by the deposition of a suitable barrier metal on an

These diodes are categorized by TSS (Tangential Signal Sensitivity)

epitaxial silicon substrate to form the junction. The process and

for detector applications in four frequency ranges: S, X, Ku, and Ka

choice of materials result in low series resistance along with a

band. However, they can also be used as modulators, high-speed

narrow spread of capacitance values for close impedance control.

switches and low-power limiters.

p-type silicon is used to obtain superior 1/f noise characteristics.

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, to produce an output pulse whose amplitude is

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.

n-type silicon is also available.

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.

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

MIC applications. Mounted beam-lead diodes can be easily used in

MIC, stripline or other such circuitry.

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. 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 in conjunction with the

detector output capacitance affects the effective amplifier

bandwidth.

The “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 will occur at the

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

eliminates performance variation due to bonding and is ideal for

automated assembly, and improves efficiency during manual

operations as well.

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

region. Therefore, it should be kept at as low a level as possible

(typically 5–50 microamps). Typical voltage output versus power

input as a function of load resistance and bias is shown in Figures

1a and 1b.

The choice on n- and p-type silicon allows for the designer to opti-

mize the silicon material for the intended application.

Doppler mixers, high-sensitivity detectors will benefit from using

the low noise characteristics of the p-type silicon.

Low conversion loss mixers and biased detectors can be

designed using standard n-type material.

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

200847 Rev. A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • October 3, 2008

12 3 4 5 6 7 8

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与SMS7623-108相关器件

型号	品牌	获取价格	描述	数据表
SMS7624-108	SKYWORKS	获取价格	Mixer Diode, Silicon, HERMETIC SEALED PACKAGE-1
SMS7630-001	SKYWORKS	获取价格	Surface Mount Mixer and Detector Schottky Diodes
SMS7630-001	ALPHA	获取价格	Surface Mount Mixer and Detector Schottky Diodes
SMS7630-001LF	SKYWORKS	获取价格	Surface Mount Mixer and Detector Schottky Diodes
SMS7630-005	SKYWORKS	获取价格	Surface Mount Mixer and Detector Schottky Diodes
SMS7630-005	ALPHA	获取价格	Surface Mount Mixer and Detector Schottky Diodes
SMS7630-005LF	SKYWORKS	获取价格	Surface Mount Mixer and Detector Schottky Diodes
SMS7630-006	SKYWORKS	获取价格	Surface Mount Mixer and Detector Schottky Diodes
SMS7630-006	ALPHA	获取价格	Surface Mount Mixer and Detector Schottky Diodes
SMS7630-006LF	SKYWORKS	获取价格	Surface Mount Mixer and Detector Schottky Diodes

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