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Coupling / Decoupling Networks (CDN's)

 

    

LAPLACE INSTRUMENTS LIMITED

Designed specifically to meet the conducted RF immunity testing conditions specified in EN61000-4-6

 

The Coupling/Decoupling Network (CDN) facilitates the testing of EMC immunity by coupling RF directly to or from cables connected to the equipment under test. This technique is the preferred method for immunity testing according to IEC61000-4-6. CDNs can also be used for pre-compliant emissions measurements according to EN55022.

 

Enhanced CDN's

New Enhanced CDN 

Tech Data

 

Enhanced CDN Spec
Reduce equipment costs and maximise flexibility due to the ‘Versatile’ benefits of the range.
Just 5 models cover over 23 different cable types.
Model Cable Type Cables Included Standard CDN types
covered
I max Per Core AE Filter Capacitance
S46ST6 Standard
or
E46ST6 Enhanced
Shielded and unshielded
cables up to 6 core, rated up
to 2 amps
50R BNC cable for S1
Cable for S2—S6*
Cable for Tx and Afx*
S1, S2, S3, S4, S5, S6
AF2, AF3, AF6
T2, T3, T6
M1, M2, M3
1A Nil or 22pF per
core with 47nF
available on 2
cores
S46ST8 Standard
or
E46ST8 Enhanced
Screened Telecom cables up
to Cat 5, 4 pair cables
4 pair RJ45 STP cable
4 pair RJ45 UTP cable
2 pair RJ11 cable
STP and UTP 4 pair.
2 pair RJ11
S1—S8
AF1, AF2, AF4, AF8
T1, T2, T4, T8
250mA Nil or 47pF per
core
S46T24 Standard
or
S46T24 Enhanced
Unscreened cables with
individual cores and twisted
pairs up to 24 cores
Qty 2 unterminated cable
sets
AF1, AF2, AF3, AF4, AF6,
AF8, AF12 & AF24
250mA 47pF per core
S46S25 Standard
or
E46S25 Enhanced
Screened cables up to 25
cores
Cable set terminated in D
type connector.
Cable set unterminated.
Any Sxx type up to 25 cores 250mA None required
S46M3 Standard
or
E46M3 Enhanced
Power and ground feeds rated
up to 16A
IEC/UK13A cable set.
Qty 2 sets unterminated
M1, M2, M3 16A 47nF on L and N
OPTIONS
46ZZ Impedance adaptor pair
For on-site calibration of x46xx VCDN and 22L test adaptor.
Connects directly to the CDN EUT and AE ports.
Fitted with BNC or N type RF sockets (specify with order).
Whilst conforming to the requirements of IEC61000-4-6, the 46ZZ has
built-in spacing to establish the 30mm separation from the CDN.
46GP Ground plane
An Aluminium ground plane with
sprung retainers to hold 1 or 2 CDNs
during calibration and use. Compact,
convenient & transportable.
An extension plate (46XP) is available
to cope with larger EUTs.
22L Emission receiver adaptor
For emission testing of telecom ports with the ‘Enhanced’ model, the 22L
adaptor secures the appropriate impedance matching according to
EN55022:1998 Fig D4.

The Laplace 46 series of CDNs is unique in offering 2 distinct and unique features:

· Versatility…. The 46 series are programmable such that
many different cable types can be accommodated with
one CDN.
· Enhanced…. The ‘E’ version provides a calibrated
feedback signal so that the stress level can be accurately
controlled during the test.

Each model is shipped complete with an appropriate set of adaptors and cables.

Calibration adaptors and modular ground plane sets also available.

 

 

Primary Power Line CDN's

Primary Power CDN's

Tech Data

Specification

CDN'S General

Frequency Range

150 KHz to 230MHz at 3V rms

Common Mode RF Range
Max.

0 - 20V RMS
Frequency range 150 KHz to 80 MHz.

RF Input

50 ohm BNC socket

EUT Output

250 ohm Nominal

Earth Connector

2BA Non-insulated Binding Post

Maximum Size

222 x 146x 106 mm

Model

EUT Poles

Current
AC RMS

Voltage
AC RMS

EUT Connector

CDN-M1-16A

1 (PE)

16A

250V

4 mm

CDN-M2-16A

2 (L1,N)

16A

250V

4 mm

CDN-M3-16A

3 (L1,N,PE)

16A

250V

4 mm

CDN-M3X-16A

3 (L1,L2,L3)

16A

250V

4 mm

CDN-M4-16A

4 (L1,L2,L3,PE)

16A

250V

4 mm

CDN-M4X-16A

4 (L1,L2,L3,N)

16A

250V

4 mm

CDN-M5-16A

5 (L1,L2,L3,N,PE)

16A

250V

4 mm

CDN's up to 500 Amps

       

 

 

Signal Lines (Unscreened) CDN's

Unscreened CDN's

Tech Data

Specification

CDN'S General

Frequency Range

150 KHz to 230MHz at 3V rms

Common Mode RF Range
Max.

0 - 20V RMS
Frequency range 150 KHz to 80 MHz.

RF Input

50 ohm BNC socket

EUT Output

250 ohm Nominal

Earth Connector

2BA Non-insulated Binding Post

Maximum Size

222 x 146x 106 mm

Model

EUT Poles

Current
AC RMS

Voltage
AC RMS

EUT Connector

CDN-AF2-03A

2 (Unscreened)

3A

250V

4 mm

CDN-AF3-03A

3 (Unscreened)

3A

250V

4 mm

CDN-AF4-03A

4 (Unscreened)

3A

250V

4 mm

CDN-AF5-03A

5 (Unscreened)

3A

250V

4 mm

CDN-AF6-03A

6 (Unscreened)

3A

250V

4 mm

CDN-AF7-03A

7 (Unscreened)

3A

250V

4 mm

CDN-AF8-03A

8 (Unscreened)

3A

250V

4 mm

 

Signal Lines (Screened) CDN's

Screened CDN's

Tech Data

Specification

CDN'S General

Frequency Range

150 KHz to 230MHz at 3V rms

Common Mode RF Range
Max.

0 - 20V RMS
Frequency range 150 KHz to 80 MHz.

RF Input

50 ohm BNC socket

EUT Output

250 ohm Nominal

Earth Connector

2BA Non-insulated Binding Post

Maximum Size

222 x 146x 106 mm

Model

EUT Poles

Current
AC RMS

Voltage
AC RMS

EUT Connector

CDN-S1-BNC

1 (Screened, 50 ohm)

1A

500V

BNC

CDN-S2-TWX

2 (Screened, 100 ohm)

1A

500V

Twinax

CDN-S3-DIN

3 (Screened)

250mA

50V

DIN

CDN-S4-DIN

4 (Screened)

250mA

50V

DIN

CDN-S5A-DIN

5 (Screened, 180°)

250mA

50V

DIN

CDN-S5B-DIN

5 (Screened, 240°)

250mA

50V

DIN

CDN-S6-DIN

6 (Screened)

250mA

50V

DIN

CDN-S7-DIN

7 (Screened)

250mA

50V

DIN

CDN-S8-DIN

8 (Screened)

250mA

50V

DIN

CDN-S9-D

9 (Screened)

250mA

250V

D-type

CDN-S15-D

15 (Screened)

250mA

250V

D-type

CDN-S25-D

25 (Screened)

250mA

250V

D-type

CDN-S37-D

37 (Screened)

250mA

250V

D-type

 

 

     

 
   

 

 

 Last Updated: March 9, 2017

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An Electro Mechanical Research and Development (EMRAD) Corporation, Company

 
     
 

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