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M a n u a l
f o r
O p e r a t i o n
Continuous Wave Simulator
CWS 500N2
CWS 500N2.1
Compact RF simulator for BCI, Stripline and TEM cell
applications. 9kHz – 400MHz ( 1000MHz)
The CWS500N2 is the state of the art solution in a
compact one-box design to test immunity to
conducted disturbances induced by radio frequency
fields. The CWS500N2 includes signal generator, RF
amplifier directional coupler, 3 channel power meter,
software and GPIB interface.
The integrated amplifier can also be controlled using
external signal generators. The icd.control software
supports the test routines and controls external
measuring devices.
Version: 3.00 / 24.05.2013
Replaces: 2.06 / 14.05.2012
Filename: UserManual-CWS500N2-E-V3.00.doc
Printdate: 07.06.13
ISO 11452 part 4
ISO 11452 part 5
RTCA DO 160D
Mil 461 CS 114
EN/IEC 61000-4-6
various automotive
manufacturer's
specifications
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Summary of Contents for EM TEST CWS 500N2
- Page 1 M a n u a l f o r O p e r a t i o n Continuous Wave Simulator CWS 500N2 CWS 500N2.1 Compact RF simulator for BCI, Stripline and TEM cell ISO 11452 part 4 applications. 9kHz – 400MHz ( 1000MHz) ...
- Page 2 4153 Reinach BL1 Switzerland Phone : +41 61 717 91 91 Fax : +41 61 717 91 99 URL : http://www.emtest.com Copyright © 2012 EM TEST Switzerland GmbH All right reserved. Specifications subject to change User manual V 3.00 2 / 38...
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Page 3: Table Of Contents
Calibration and Verification ........................35 8.2.1. Factory calibration ........................... 35 8.2.2. Guideline to determine the calibration period of EM Test instrumentation ..........35 8.2.3. Calibration of Accessories made by passive components only .............. 35 8.2.4. Periodically In-house verification ......................35 Delivery Groups............................. -
Page 4: Safety Aspects
Setup the CWS 500N2 Connections CWS 500N2 2.1. Below are all possible connections to the CWS 500N2 Fig 2.2 : CWS 500N2 ( 1 GHz) connection rear view Test Setup CWS 500N2 2.2. Figure 2.3a / 2.3b : Typical test setup with... -
Page 5: Part Identifications And Functions
EM Test CWS500 N2 2.3. Part Identifications and Functions Continuous Wave Simulator CWS 500N2 1GHz Fig 2.4 2.3.1. Clamp Applications for Automotive standards Bulk Current Injection Clamp BCI type ( selection of clamps) 10kHz – 400MHz F-130-A1 10kHz – 400MHz... -
Page 6: Cdn Applications As Per Iec 61000-4-6
EM Test CWS500 N2 2.3.2. CDN Applications as per IEC 61000-4-6 Bulk Current Injection Clamp BCI type 10kHz – 230MHz F-120-9A FCC-BCICF-4 Calibration Fixture for BCI clamp (jig) Fig 2.11 Attenuator 6 dB / 75W Fig 2.12 Coupling / Decoupling Network Types: CDN-M 1;... -
Page 7: Operating Functions
EM Test CWS500 N2 Operating Functions 3.1. Front View Fig 3.1 Display LED RF Output Monitor Cursor keys "" and "" Function keys "F1..F7" 10. Current Probe Input (Monitor) Exit "Test On" 11 LED Current Probe Input Escape Knob (Inc / Dec) -
Page 8: Rear View Cws 500N2
The BNC input FAIL 1 can be used for failure detection on the EUT. If the input is set to ground (chassis), the CWS 500N2 generator will be stopped and finish the test routine. It is not possible to continue the test. - Page 9 EM Test CWS500 N2 Fig 3.3 1 Connection Ext. Amplifier RETURN 6 USB Interface 2 Pre coupler insert loop 7 IEEE Interface 3 SG out 8 Remote Control Connector 4 Power On Switch 9 Fail 1 Detection "Stop" 5 Power selector 115V – 230V 10 Fail 2 Detection "Pause"...
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Page 10: Front Panel Operation
EM Test CWS500 N2 Front Panel Operation 4.1. Basic Operations The simulator CWS 500 N2 is operated by an easy menu control system. Seven function keys are available to select parameters and functions. All functions are indicated on the display; max. 8 lines and 40 characters. -
Page 11: Quickstart
EM Test CWS500 N2 4.2. Quickstart Easy and very fast operation for functions check and verification of the CWS 500N2. Page 2 (Show Parameters) Page 3 (Change) Quickstart Quickstart = 63,0 dB 109.500 MHz Mod = AM 1kHz 80% Att : 0.0 dB -... -
Page 12: Quickstart During Instrument Calibration
EM Test CWS500 N2 4.2.1. Quickstart during instrument calibration This function needs Firmware 2.11 or higher. In case of a calibration of the measuring instrument it is necessary to use external signal generators. The CWS instrument has frequency matched calibration curves for each instrument channel. When using the internal signal generator CWS 500 knows the actual frequency and select automatically the correct reference. -
Page 13: Display During Remote Control
EM Test CWS500 N2 4.3. Display during Remote control The CWS 500 can only work with remote control from the icd.control software Version 3.00 or higher. During the operation the following information appears on the display: Remote control R E M O T E ProgRemote = 5.420MHz... -
Page 14: Modulation
EM Test CWS500 N2 4.3.1. Modulation Modulation as per IEC Figure 4.3 shows the modulation for IEC application. Fig 4.3 : Unmodulated 80% AM Pulse modulation Modulation as per ISO Modulation signal as per ISO, peak conservation ( pulse) standard. These... -
Page 15: Service
Check function for verification of the correct working of the built in amplifier switch, and the built in Amplifier ( gain >50dB ). 4.4.1. Setup This menu helps the user to define the configuration of the CWS 500N2. Page 3 (Setup Overview) Setup F1 : Change language / Sprache ändern... -
Page 16: Amplifier Switch
RS232- or the address of the IEEE-interface. F4 Keyboard Beeper F4 selects the beeper ON/OFF mode. F5 Timer By pressing F5 will display the total operating time of the CWS 500N2 will be displayed. 4.4.2. Amplifier Switch Change of the used amplifier internal or external... -
Page 17: Starting Operation
The RF voltages on the center pin of the RF output connector can be hazardous. The RF output connector must be connected to a load before AC power is applied to the CWS 500N2. Do not touch the center pin of the RF output connector or accessories which are connected to it. -
Page 18: Generator Function Check
5.2. Generator Function Check As with all testing equipment, the continuous wave simulator type CWS 500N2 should be checked for performance and accuracy from time to time. The check should be completed as listed below. - Connect the RF-output of the CWS 500N2 to the 40dB-attenuator or an adequate attenuator. -
Page 19: Function Check Internal Powermeter
EM Test CWS500 N2 5.3. Function Check internal Powermeter This function is for checking the built in 3-channel powermeter e.g. Forward Power and Rev Power and current monitor. Within this measuring procedure the measured values are compared with some nominal values, this in order to verify the correct function of the three measuring inputs. -
Page 20: Function Check Amplifier Switch ( 1Ghz Model Only)
EM Test CWS500 N2 5.4. Function Check amplifier switch ( 1GHz model only) This function is for checking the correct operation of the built in amplifier switch. During this test the output connector at the frontside should be left open. -
Page 21: Calibration
EM Test CWS500 N2 5.5. Calibration 5.5.1. Calibration Setup for Bulk Current Injection Clamp (BCI) as per ISO / DO / MIL Fig 5.5 : Calibration setup with BCI During calibration of the test setup on a ground reference plane at very low levels (very low currents) is important. -
Page 22: Calibration Setup Em Test And Iec 61000-4-6
Calibration Setup EM TEST and IEC 61000-4-6 The setup for calibration according to IEC 61000-4-6 is shown in the figure 5.7. below. EM Test has carefully tested the calibration setup and propose to eliminate the 150 terminating resistor on the AE port for CDN calibration. -
Page 23: Calibration Setup With Cdn
EM Test CWS500 N2 5.5.3. Calibration Setup with CDN Maximum Voltage on the Monitor INPUT U = 13 dBm Make sure CDN and the 150 to 50 adapter are well connected to the ground reference plane (i.e. by using copper tape). -
Page 24: Calibration Setup With Em Clamp
EM Test CWS500 N2 5.5.4. Calibration Setup with EM Clamp The calibration with an EM Clamp is similar to the CDN calibration. Fig 5.14 : Calibration setup with EM Clamp Make sure to connect the EM clamp correctly in the test and calibration setup. -
Page 25: Test Equipment Cws 500N2
EM Test CWS500 N2 Test Equipment CWS 500N2 The CWS 500N2 continuous wave simulator is divided into three main parts. The control unit is completely separated and uncoupled from the RF power section. Fig 6.1 Control unit Transformer Power Supply Filter... -
Page 26: Control Unit
Fig 6.4 : ATT 3/100 The attenuator is required in some standards. However, the included amplifier will work correctly with any load. Although the CWS 500N2 can also be used correctly without the attenuator for high current application the 3dB cannot be used! User manual V 3.00... -
Page 27: 6Db Attenuator
EM Test CWS500 N2 6.5. 6dB Attenuator The 6dB attenuator is connected directly to the RF-output of the CWS 500N1. The attenuator has to be used together with the CWS 500N1 and matches the output to a 50 system. The... -
Page 28: Test Setup With Cdn's
EM Test CWS500 N2 Test Setup with CDN’s 6.7. The following information is important for a correct test setup as per. IEC: Fig 6.10 :Test setup with CDN 1. All lines not being tested must be decoupled: - with CDN’s where the RF input ports are terminated by a 50 load resistor... -
Page 29: Test Setup With The Current Monitor
EM Test CWS500 N2 6.8. Test Setup with the Current Monitor Maximum Voltage on the MONITOR INPUT V = 13dBm Fig 6.13: Test Setup current monitoring probe With the CWS500N2 and the built-in Powermeter PM tests with current clamp ( BCI) or with EM clamps are easily made whatever with or without DUT current monitoring. -
Page 30: Technical Data
EM Test CWS500 N2 Technical Data 7.1. CWS500N2 Test Level: Output power 100W (nominal) Output impedance 50 Ohm, VSWR 2.0 : 1 nominal Level approx. -13dBm ... 50dBm Amplifier Class A, Gain > 52dB Current 4MHz ... 400MHz max. 700mA (100W amplifier, without attenuator, F-130A clamp ) - Page 31 EM Test CWS500 N2 Interfaces Serial Interface Parallel IEEE 488 GPIB interface Addresses 1 - 30 selectable All interfaces are included as standard features. Powermeter PM 1000 9kHz – 1000 MHz Frequency range Input range Monitor -45 dBm ... +13 dBm FWD power -50 dBm ...
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Page 32: Cws500N2.1
EM Test CWS500 N2 7.2. CWS500N2.1 Summary: Output power 150W (nominal) Output impedance 50 Ohm, VSWR 2.0: 1 nominal Level approx. -13dBm ... 51.7dBm Current 4MHz ... 400MHz max. 950mA (150W amplifier, without attenuator, F-130A clamp) Test frequencies ( synthesizer ) - Page 33 EM Test CWS500 N2 Interfaces Serial Interface Parallel IEEE 488 GPIB interface Addresses 1 - 30 selectable All interfaces are included as standard features. Powermeter PM 1000 9kHz – 1000 MHz Frequency range Input range Monitor -45 dBm ... +13 dBm FWD power -50 dBm ...
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Page 34: Maintenance
EM Test CWS500 N2 Maintenance 8.1. General The generator is absolutely maintenance-free by using solid state semiconductors. The generator uses forced air cooling. Take care to not cover the cooling slots User manual V 3.00 34 / 38... -
Page 35: Calibration And Verification
Please refer to the corresponding standard before carrying out a calibration or verification. The standard describes the procedure, the tolerances and the the necessary auxiliary means. Suitable calibration adapters are needed. To compare the verification results, EM Test suggests to refer to the waveshape and values of the original calibration certificate. -
Page 36: Delivery Groups
EM clamp as per IEC 61000-4-6 for coupling of the RF signal to multiple cables.Current injection clamp acc. To IEC 61000-4-6 Current Probe acc. IEC 61000-4-6 For all types of CDN’s and clamps ( manufactured and delivered by EM Test ) Cal adapters ATT 6/75 Attenuator 6dB / 75 W... -
Page 37: Appendix
EM Test CWS500 N2 Appendix 10.1. Blockdiagram Blockdiagram CWS 500 N2 Fig 10.1 Blockdiagram CWS 500 N2.1 Fig 10.2 User manual V 3.00 37 / 38... -
Page 38: 10.2. Declaration Ce- Conformity
EM Test CWS500 N2 10.2. Declaration CE- Conformity DECLARATION OF CONFORMITY Manufacturer : EM TEST Switzerland GmbH Address: Sternenhofstr. 15 CH 4153 Reinach Switzerland declares, that under is sole responsibility, the product’s listed below, including all their options, are conformity with the applicable CE directives listed below using the relevant section of the following EC standards and other normative documents.
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