Com-Power CDN-AF4 Скачать руководство пользователя страница 2

Model  CDN -AF4

Warranty

Com-Power warrants to its Customers that the products it
manufactures  will be free from defects in materials and
workmanship for a 

period of 2 years

. This warranty shall not apply

to:

a) transport damages during shipment from your plant.
b) damages due to poor  packaging.
c) product operated outside their specification.
d) improperly maintained or modified.
e) consumable items, fuses, power cords, cables, etc.
f) normal wear
g) calibration
h) product is shipped outside the United States without the prior
knowlege of Com-Power.

In addition, Com-Power shall not be obliged to provide service under
this warranty to repair damage resulting from attempts to install,
repair, service or modify the instrument by personnel other than
Com-Power service representative.

Under no circumstances does Com-Power  recognize or assume
liability  for any loss , damage or expense  arising, either directly or
indirectly  from the use or handling of this product, or any inability
to use this product seperately or in combination with other
equipment.

When requesting warranty services,  it is recommended that
the original packaging material be used for shipping.  Damage
due to improper packaging will void warranty.

In the case of a complaint, a label should be attached to the housing
of the instrument which describes briefly the faults observed. If at
the same time the name and telephone number (dialing code and
telephone or direct number or department designation) is stated
for possible queries, this helps towards speeding up the processing
of waranty claims. In order to obtain service under this warranty,
Customers must contact the Com-Power factory.

II

Содержание CDN-AF4

Страница 1: ...Model CDN AF4 COUPLING DECOUPLING NETWORK MODEL CDN AF4...

Страница 2: ...nnel other than Com Power service representative Under no circumstances does Com Power recognize or assume liability for any loss damage or expense arising either directly or indirectly from the use o...

Страница 3: ...nductors to the mains should not be connected until all the connections to the EUT CDN auxilary equipement and test equipment are completed Test personnel should not touch any exposed test leads or te...

Страница 4: ...ce There are no user serviceable parts inside these units If the unit does not operate or needs calibration please return it to the factory Do not open instrument cover Any modifications or repairs pe...

Страница 5: ...meters 2 3 3 0 Calibration 2 3 4 0 Establishing drive table 2 4 4 1 Setting levels 2 5 3 Theory of Operation 3 1 3 0 Overview 3 1 3 1 Typical test setup 3 1 List of Figures Figures page 1 1 CDN AF4 Ph...

Страница 6: ...CDN AF4 Coupling Decoupling networks CDN is intended for testing products according to EN61000 4 6 standard for immunity to conducted disturbance induced by radio frequency fields from 150 kHz 80 MHz...

Страница 7: ...max Voltage attenuation RF EUT 9 dB to 12 dB Insertion loss EUT AE 30 dB min from 150 kHz to 2 MHz 50 dB min from 2 MHz to 80 MHz Coupling factor 0 dB 1 dB 2 dB Decoupling attenuation RF AE 50 dB min...

Страница 8: ...Model CDN AF4 Figure 1 2 CDN Model CDN AF4 typical common mode impedance 1 3...

Страница 9: ...Model CDN AF4 Figure 1 3 CDN Model CDN AF4 typical attenuation factor graph 1 4...

Страница 10: ...Model CDN AF4 Figure 1 4 CDN Model CDN AF4 typical Coupling factor graph 1 5...

Страница 11: ...ources electromagnetic disturbance which may couple to shield of signal cables 2 1 CDN requirements The CDN AF4 coupling and decoupling network Allows Coupling of the disturbing signals to the equipme...

Страница 12: ...ort of the CDN are given in table 2 1 This ensures that any circuit level abnormal operation was caused by the injected RF signal on the EUT and not the auxillary equipment AE The requirement must be...

Страница 13: ...easured at the factory and supplied with each unit However if you wish to check the attenuation and coupling factor on site you could purchase optional calibration kit which includes the shorting bars...

Страница 14: ...modulated disturbing signal levels expressed in r m s Figure 2 5 Level measurement setup using CDN Table 2 2 Test Levels specified by IEC 1000 4 6 2 4 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 1...

Страница 15: ...lue Next turn on the power amplifier and signal generator and take the measurements from 150 kHz 80 MHz for each level with CW unmodulated The rate of the sweep shall not exceed 1 5 x 103 decades seco...

Страница 16: ...ded conductors Other types CDN may be necessary to couple and decouple different types of cables that may connected to the EUT Such as coax shielded cables and powerline Please see connection diagram...

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