Conducted Disturbance Test Generators

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Schloder CDG 6000-75-DC 100 kHz - 300 MHz Conducted Disturbance Test Generator View larger

Schloder CDG 6000-75-DC 100 kHz - 300 MHz Conducted Disturbance Test Generator

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  • 100 kHz - 300 MHz Frequency Range
  • 75 W Power
  • Computer-based system (controlled by USB)
  • Self-calibration of the test system (generator and CDN)
  • RF-generator, amplifier and RF-voltmeter may as well be used as stand-alone devices
  • Connections: EUT “Fail”, EUT monitoring by external multimeter, e.g. DUT signal
  • Calibration of coupling / decoupling devices and EM clamp is performed automatically
  • Extensive additions like attenuators, calibration kits, etc. deliverable
  • Directional Coupler ( DC )

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Test Equipment Description

Conducted Disturbance Test Generator acc. to IEC / EN 61000-4-6:2014

The generator CDG 6000 is a compact generator for generation high-frequency sinusoidal interference according to IEC / EN 61000-4-6. Radiated disturbances which acting on a system, generally have a longer wavelenght than the edge-lenght of a single system component. Nevertheless, it always comes back to influences by couplings in supply and signal lines. With the help of coupling networks or coupling clamps these disturbances are injected directly into supply or signal lines.

The test generator generates interferences as defined in IEC / EN 61000-4-6 - Immunity to conducted disturbances, induced by radio-frequency fields. The standard described a test setup, in which can influence these high-frequency interferences without a complicated structure with antennas, field instrumentation and shielded rooms on a EUT. Via coupling networks and coupling clamp's sine waves are induced directly into power and signal lines. The EUT keeps its usual place in the installation; the complete unit can be tested in its function.

Performance feature

  • Compact Generator
    All neccessary components are integreated - signal generator, power amplifier, RF millivoltmeter and a directional coupler to measure forward and reverse power of the output signal. The control of the generator and the documentation of the test sequences accepts a convenient and comprehensive software control. She is included.
  • Modular Design
    The units are equipped with different power amplifiers, depending on requirements and the desired test level. It is possible at any time - for example, in conjunction with a calibration - to upgrade the generator in terms of performance from 25W to 75W.
  • Direct Coupler 
    In Edition 3.0 (2014) of the IEC / EN 61000-4-6 is now the forward power of the output signal to be measured. This measurement is made with a directional coupler. The quality of the built-in amplifier allows control of the level data through the system - see chapter 6.4 in the standard with respect of two methods. That means a built-in directional coupler is in our test system CDG 6000 not (necessarily) required.

    However, the control on the forward power during a test is the preferred method. This means a generator with built-in directional couplers meets the requirements of the standard and the auditors. There are no discussion on the procedure.

    The CDG 6000 can be supplied with or without a directional coupler. The version without directional coupler provides the ability to connect an external directional coupler at the back of the generator. Of course, all previously delivered units of CDG 6000 series can be retrofitted with a directional coupler.
TEST-GENERATOR SPECIFICATIONS
Model CDG 6000 CDG 6000-DC CDG 6000-75 CDG 6000-75-DC CDG 6000-75_10 CDG 6000-75-DC_10
Power 25 W 25 W 75 W 75 W 75 W 75 W
Frequency range 100kHz - 250MHz 100kHz - 250MHz 100kHz - 300MHz 100kHz - 300MHz 10kHz - 250MHz 10kHz - 250MHz
Maximum Test Level
80% AM
with 6 dB att. w/t 6 dB att.
10 V 10 V 30 V 30 V 30 V 30 V
15 V 15 V 40 V 40 V 40 V 40 V
Internal Direct Coupling(DC) no yes no yes no yes
Connector for external Direct Coupling yes no yes no yes no
RF Voltmeter (external input)
Measuring range +30 dBm to – 40 dBm
Input BNC, 50 Ohm
RF Generator
Output BNC, 50 Ohm
Frequency range 10 kHz to 400 MHz
Frequency resolution 1 Hz
Output level range 0 to -63 dBm (level resolution 0.1 dB)
Amplitude modulation 0 to 100%; resolution 1% (internal AF-Generator)
Amplitude modulation (ext.) BNC jack
1 Hz to 100 kHz, 0 to 100%
Input impedance > 100 kΩ
Pulse modulation 1 Hz to 100 kHz, Resolution 0,1 Hz variable duty cycle 5 - 95 %; resolution 1% (internal AFGenerator)
AF Generator
Output jack BNC
Frequency range 1 Hz to 100 kHz, resolution 0.1 Hz
Output voltage 0 to 1 V amplitude
Signal Sine wave / rectangular / triangle
EUT-Monitor input
Input voltage 0 - 10 V (resolution 2.5 mV), impedance 100 kΩ
Amplifier Monitor
Output BNC, 50 Ω / -40 dB (amplifier output), ±3 dB
Interfaces
USB-A Multimeter (for EUT control) and Relays switching unit
USB-B Connection to Computer
General data
Temperature range 0 to 40 °C
Housing / weight 19“ desktop case (84 TE; 3 HE) / aprox. 11 kg
Width / height / depth app. 450 / 150 / 480 mm
AC Input 100 - 240 VAC; 50/60 Hz

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Schloder CDG 6000-75-DC 100 kHz - 300 MHz Conducted Disturbance Test Generator

Schloder CDG 6000-75-DC 100 kHz - 300 MHz Conducted Disturbance Test Generator

  • 100 kHz - 300 MHz Frequency Range
  • 75 W Power
  • Computer-based system (controlled by USB)
  • Self-calibration of the test system (generator and CDN)
  • RF-generator, amplifier and RF-voltmeter may as well be used as stand-alone devices
  • Connections: EUT “Fail”, EUT monitoring by external multimeter, e.g. DUT signal
  • Calibration of coupling / decoupling devices and EM clamp is performed automatically
  • Extensive additions like attenuators, calibration kits, etc. deliverable
  • Directional Coupler ( DC )

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