Datasheet > SC75A375B-A

SC75A375B-A

更新时间： 2024-02-16 17:01:39

品牌	Logo	应用领域
智原科技 - FARADAY		开关
页数	文件大小	规格书
2页	66K
描述
4 SWITCH CABLE CLONE

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中文翻译

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数据手册

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SC75A375B-A 数据手册

4 SWITCH CABLE CLONE

SIMULATES THE EFFECT OF COAXIAL CABLE IN SERIAL DIGITAL SYSTEMS

Emulates cable up to 360 MHz

Simulates more than 300 metres

Fixed and Switched Programmable

Known accurate loss for repeatable performance

Quick and easy to use

No power needed

Pocket size

Order Code

Cable Type

BELDEN 8281

Simulated Lengths

5m + 10m + 10m + 20m

25m + 50m + 100m + 200m

SC75A37B

Cable Type

SC75A045B-A

SC75A375B-A

Switch 2

Switch 5

Switch 10 Switch 20

BBC PSF 1/2M

BELDEN 8281

BBC PSF 1/3M

RG59

100

200

156

144

SC75A045B-B

SC75A375B-B

SC75A37B

BBC PSF 1/2M

BBC PCF 1/2M

see table opposite

5m + 10m + 10m + 20m

25m + 50m + 100m + 200m

The CABLE CLONE emulates the loss and group

delay frequency characteristics of cable to

approximately 360 MHz. It is supplied in a small metal

box fitted with BNC connectors which needs no power

supply. It my be carried in the pocket and is always

ready for immediate use.

In serial digital applications it is known that a signal

adhering to the amplitude specification of 800mV +

10% will maintain its integrity if the attenuation at the

Nyquist frequency is 30dB or less. It may then be

reconstituted correctly by, say, the Sony deserialiser.

The CABLE CLONE has similar attenuation vs

frequency characteristics to coax cable over the wide

frequency spectrum of the serial digital signal. When

installing or testing serial digital equipment it is often

necessary to establish the maximum length of cable

over which the signal will remain useable, or to ensure

there is sufficient margin (headroom) if a certain length

of cable is required. Most adaptive equalisers, in

deserialisers for example, rely on the attenuation

characteristics of the cable to operate correctly.

By using the table on the reverse of the SC75A37B

box the user can relate the loss to lengths of various

types of cable.

Fixed CABLE CLONES of 1dB to 20dB and a Four

Switched Programmable version containing 2:5:10 and

20dB are available for all the various systems with

75W for video and 50W for Ethernet. An Eight

Switched

Programmable

version

simulating

5:10:10:20:50:100:100 and 200 metres of Belden cable

is also available.

At present the only way to do this is to insert the actual

length of cable into the path. This is time consuming,

inconvenient and costly.

Apart from the smaller space requirements of the cable

clone (vs cable) it offers the advantage that comparable

measurements become possible since the influence of

manufacturing tolerances, customary in the case of

coaxial cables, is abolished.

The Faraday CABLE CLONE is the solution to the

problem.

Fara234d.doc Page 1 of 2 May-02(C)

中文翻译

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与SC75A375B-A相关器件

型号	品牌	获取价格	描述	数据表
SC75A375B-B	FARADAY	获取价格	4 SWITCH CABLE CLONE
SC75A37B	FARADAY	获取价格	4 SWITCH CABLE CLONE
SC75A510B-A	FARADAY	获取价格	8 SWITCH CABLE CLONE
SC75A800B-G	FARADAY	获取价格	CABLE CLONE
SC75B	BEL	获取价格	SMD POWER INDUCTORS Open frame construction
SC75B-100	BEL	获取价格	SMD POWER INDUCTORS Open frame construction
SC75B-101	BEL	获取价格	SMD POWER INDUCTORS Open frame construction
SC75B-120	BEL	获取价格	General Purpose Inductor, 12uH, 20%, 1 Element, SMD, 3229, CHIP
SC75B-121	BEL	获取价格	SMD POWER INDUCTORS Open frame construction
SC75B-150	BEL	获取价格	SMD POWER INDUCTORS Open frame construction

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