COM-power corporation CLEM-6146 Instruction Manual Download Page 39 | Manualshive

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INSTRUCTION MANUAL

SECT IO N 9

-

MAINTENANCE

Rev050321

This product contains no user serviceable parts. If the unit does not operate or needs
calibration, please contact Com-Power Corporation. Any modifications or repairs
performed on the unit by someone other than an authorized factory trained technician
will void warranty.

The exterior surface may be cleaned with mild detergent and then be wiped with a dry,
clean, lint-free cloth. Use care to avoid liquids or other foreign objects entering the chassis.

Distributed by: Reliant EMC LLC, +1 408 916

‐

5750, [email protected], www.reliantemc.com

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Summary of Contents for CLEM-6146

Page 1: ...Page 1 of 39 INSTRUCTION MANUAL Rev050321 INSTRUCTION MANUAL for CLEM 6146 EM CLAMP Distributed by Reliant EMC LLC 1 408 916 5750 info reliantemc com www reliantemc com...

Page 2: ...TION MANUAL LISTS OF FIGURES TABLES EQUATIONS Rev050321 5 1 2 1 Decoupling Factor Calculation 24 5 1 2 2 Input Impedance Calculation 24 Distributed by Reliant EMC LLC 1 408 916 5750 info reliantemc co...

Page 3: ...Page 3 of 39 INSTRUCTION MANUAL LISTS OF FIGURES TABLES EQUATIONS Rev050321 Distributed by Reliant EMC LLC 1 408 916 5750 info reliantemc com www reliantemc com...

Page 4: ...Page 4 of 39 INSTRUCTION MANUAL LISTS OF FIGURES TABLES EQUATIONS Rev050321 Distributed by Reliant EMC LLC 1 408 916 5750 info reliantemc com www reliantemc com...

Page 5: ...t this manual was written However the information may become dated or may be inappropriate for some applications The user is cautioned to always refer to the appropriate editions of the IEC 61000 4 6...

Page 6: ...Page 6 of 39 INSTRUCTION MANUAL SECTION 2 PRODUCTS AVAILABLE FROM COM POWER Rev050321 Distributed by Reliant EMC LLC 1 408 916 5750 info reliantemc com www reliantemc com...

Page 7: ...age inventory in section 3 2 to ensure that you have received all applicable items STANDARD ITEMS CLEM 6146 EM Clamp ADA 515 CLEM 150 ohm to 50 ohm Adapter Pair 4 mm Copper Rod length 68 cm Calibratio...

Page 8: ...re present within the product enclosure and on output connectors These voltages may be of sufficient magnitude to constitute a risk of electric shock to persons The Ground symbol inside a circle indic...

Page 9: ...kets secured to ground CLEANING Clean the instrument outside surfaces of the device with a soft lint free cloth If necessary a mild detergent may be used OBJECT AND LIQUID ENTRY Take care that objects...

Page 10: ...ource Port is equipped with an N type coaxial connector Heat Sinks Metallic heat sinks for component cooling Rotary Latches Please refer to section 4 2 for instructions on operating the three position...

Page 11: ...d Coaxial Port of Adapters Each coaxial adapter is fitted with an N type coaxial connector 68 cm Copper Rod 4 mm diameter copper rod with 4 mm banana connectors at each end Used with ADA 515 CLEM 150...

Page 12: ...mm Weight 13 lbs 5 9 kg All values are typical unless specified All specifications are subject to change without notice ADA 515 CLEM and CLEMA 6146 Adapters Frequency Range 150 kHz to 230 MHz Nominal...

Page 13: ...Page 13 of 39 INSTRUCTION MANUAL SECTION 3 PRODUCT INFORMATION Rev050321 Distributed by Reliant EMC LLC 1 408 916 5750 info reliantemc com www reliantemc com...

Page 14: ...Page 14 of 39 INSTRUCTION MANUAL SECTION 3 PRODUCT INFORMATION Rev050321 Distributed by Reliant EMC LLC 1 408 916 5750 info reliantemc com www reliantemc com...

Page 15: ...Page 15 of 39 INSTRUCTION MANUAL SECTION 3 PRODUCT INFORMATION Rev050321 Distributed by Reliant EMC LLC 1 408 916 5750 info reliantemc com www reliantemc com...

Page 16: ...s both capacitive and inductive coupling to the EUT cable The rotary latches can be set to three 3 positions as shown in Figure 9 The UNLATCHED positions allow the upper half of the EM Clamp to hinge...

Page 17: ...the 4 mm rod is located in the bottom position of the clamp opening as shown in Figure 11 For impedance and decoupling factor measurements using the CLEMA 6146 Adapters the height should be adjusted s...

Page 18: ...oupling Factor Decoupling Factor and Impedance These calibrations are typically performed on a periodic basis in order to verify that the product continues to be in proper working order i e functionin...

Page 19: ...ermination A typical test setup for instrument normalization and measurement of coupling factor is illustrated in Figure 12 For coupling factor measurements the height of the 4 mm copper rod must be a...

Page 20: ...measurement data in a 50 ohm system Zref However the characteristic impedance of the test jig Z ref is different from 50 ohms It is determined by the height of the clamp opening above the ground plane...

Page 21: ...ter data table The majority of the following ABCD transformation formulae are common to both the decoupling factor and impedance calculations ALL CALCULATIONS ARE PERFORMED WITH COMPLEX NUMBERS In the...

Page 22: ...0 1395i S12 complex 0 7466 0 1377 0 7466 0 1377i S22 complex 0 2499 0 137 0 2499 0 137i Adding subtracting multiplying and dividing complex numbers in Excel is done using the IMSUM IMSUB IMPRODUCT an...

Page 23: ...UAL SECTION 5 CALIBRATION OF ELECTRICAL PERFORMANCE PARAMETERS 19121 El Toro Rd Silverado California 92676 949 459 9600 com power com Rev050321 Distributed by Reliant EMC LLC 1 408 916 5750 info relia...

Page 24: ...nt Typical decoupling factor performance curves for three 3 different clamps are provided in Figure A 8 in Edition 4 0 of IEC 61000 4 6 Using the S Parameter data and the ABCD transformation equations...

Page 25: ...these processes manually without software it is highly recommended that it be performed as an automated process under software control Per the IEC 61000 4 6 standard there are two acceptable methods f...

Page 26: ...t during calibration is reproduced at each frequency during actual EUT testing METHOD A For method A once the appropriate amplitude is measured at any given frequency during calibration process the si...

Page 27: ...Umr and Uo for EM Clamp calibration is given in Equation 3 NOTE The 6 1 ratio or factor of 6 15 6 dB is due to the following a the open circuit voltage is double the matched load voltage yielding a 2...

Page 28: ...mr value must be corrected for the attenuation of the attenuator and the insertion losses of Cable 1 and Cable 2 shown in Figure 15 These losses are frequency dependent and should be quantified over t...

Page 29: ...Again for calibration to be performed at an open circuit test level of 10 Vrms and assuming a measured 31 dB loss for the Umr Measurement Line which included the 30 dB attenuator and both cables So wh...

Page 30: ...ration data for the lower test levels can then be calculated as shown in Equation 5 For instance if the calibration was performed for a test level of 10 Vrms and the offset is needed for a test level...

Page 31: ...ced frequencies as opposed to a frequency sweep The logarithmic spacing of the test frequencies means that the actual step size increases after each step The maximum step size at any given frequency i...

Page 32: ...the ground plane and should be either a fastened using bolts or screws directly to the ground plane through their respective mounting holes or b bonded to the ground plane using copper tape with cond...

Page 33: ...ANUAL SECTION 6 TEST LEVEL CALIBRATION Rev050321 As shown in Figure 18 complete the calibration setup for METHOD A or METHOD B as appropriate Distributed by Reliant EMC LLC 1 408 916 5750 info reliant...

Page 34: ...level Uo for which calibration is being performed Record either the frequency fx and amplitude setting of the signal generator SGout or the frequency fx and measured forward power FWDpwr See examples...

Page 35: ...rmined during calibration for the present test frequency Record the amplitude measured on the measuring instrument as Umr Increase the signal generator output by 5 1 dB and record the amplitude measur...

Page 36: ...ing multiple I O ports are more complex and usually require multiple CDNs of different types Refer to the IEC 61000 4 6 standard for guidance Only one CDN in the setup should be terminated with 50 The...

Page 37: ...the EUT being exercised as required for the test set the frequency of the signal generator to 150 kHz modulated as required usually 1 kHz AM 80 Using the appropriate calibration data result table for...

Page 38: ...rsonnel other than Com Power service representatives Under no circumstances does Com Power recognize or assume liability for any loss damage or expense arising either directly or indirectly from the u...

Page 39: ...n Any modifications or repairs performed on the unit by someone other than an authorized factory trained technician will void warranty The exterior surface may be cleaned with mild detergent and then...

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