BOLAB Systems GmnH - ISO 7637-4 HV Test System

  • Full Compliance – Meets all ISO 7637-4 test requirements
  • Pulse A Testing – Simulates MOSFET/IGBT switching noise (100 kHz – 10 MHz)
  • Pulse B Testing – Low-frequency sinusoidal disturbances (3 kHz – 300 kHz)
  • High-Power RF Amplifier – 75W output (100 kHz – 400 MHz) for clean signal generation
  • Burst Generator – Supports configurable burst parameters (1–1000 cycles)
  • Power Meter & Directional Coupler – Accurate transient measurement (100 kHz – 10 MHz)
  • Integrated Transformer – Isolates high-voltage circuits & prevents transient damage
  • Scalable & Modular – Configurable for custom DUT testing needs
  • Turnkey Solution – Includes generator, amplifier, coupler, and switching solutions

Key Features & Capabilities

ISO 7637-4 Pulse A – Pulsed Sinusoidal Disturbances

  • Simulates switching noise from MOSFETs and IGBTs in high-voltage switching systems
  • Sinusoidal bursts (10 cycles) with burst times: 1, 2, 5, 10 µs
  • Test voltage defined in VPP (20 VPP = 7.07 VRMS, 1 W @ 50 Ω = 30 dBm)
  • BLS 300-7637-4-A: Complete solution with burst generator, RF amplifier, balun, and directional coupler
  • Frequency range: 100 kHz – 10 MHz
  • 75W RF amplifier (100 kHz – 400 MHz) ensuring sufficient power headroom for clean sinusoidal wave generation

ISO 7637-4 Pulse B – Low-Frequency Sinusoidal Disturbances

  • Simulates harmonics from grid power & electric propulsion motors
  • Continuous sinusoidal wave (no pulse)
  • Amplifier Specifications:
    • Frequency range: 3 kHz – 300 kHz
    • Output voltage: 30 VRMS (3–250 kHz) / 25 VRMS (250–300 kHz)
    • Output current: 16 ARMS
  • Integrated transformer isolates amplifier from high-voltage circuits and prevents transient damage
  • Automatic overvoltage protection safeguards amplifier output

Fully Integrated Test Equipment

  • RF Generator (100 kHz – 10 MHz, -60 dBm to 0 dBm) for CW & burst signals
  • Configurable burst parameters (1–1000 cycles, 1–255 packets, period time 1 µs–3.64 ms)
  • Power Meter (100 kHz – 10 MHz) with peak detection
  • Broadband RF Amplifier (10 kHz – 400 MHz) with high output power
  • User Interface:
    • Galvanically isolated digital I/O for monitoring and control
    • EUT interlock functionality & PT1000 temperature monitoring


Item

Description

Picture

BLS 300-7637-4-A

Interference Generator for tests according to ISO 7637-4 Pulse A

Coupling of the burst signals directly asymmetrically to one phase or symmetrically via a balun to both phases simultaneously

Frequency range: 100 kHz - 10 MHz

Signal form CW and burst with a settable number of

oscillations 1...1000

packets 1...255


Amplitude: 1...100 Vpp

Power amplifier: 75 W

2 RF measurement inputs with peak detector RF_in and P_forward (SMA internal) +20...-60 dBm

Internal and external trigger signal (back side BNC isolated) for burst control

Interfaces: USB, LAN (GPIB optional)

Dimensions: 19”, 3 HE


Options:

BLS 100AC-OVP - Over Voltage Protection integrated in Interference Generator for Pulse A

BLS ZS-7637-4 - Various accessories for a system for ISO7637-4

BLS 300-7637-4-B

Interference Generator for tests according to ISO 7637-4 Pulse B

Frequency range: 3 kHz to 300 kHz


Output voltage:

3 to 250 kHz 30 V (rms)

250 to 300 kHz 20 V (rms)


Output current: 16 A (rms)

Coupling transformer: 1:1, 100 A max.

The signal generation is not part of the offer and must be realized by a BOLAB AnyWave control unit or an external signal generator! (AnyWave Included in Offer)

BLS ZS-7637-4 Various accessories for a system for ISO7637-4

BLS CT-7637-4

Coupling transformer: 1:1, 100 A max.

Offered in combination with BLS 300-7637-4-B or separately if using an existing BLS 100TS Series amplifiers system

BLS AN-7637-4 x2

High voltage artificial network (HV-AN)

According to ISO 7637-4

5 μH || 50 Ω

70 A

1,000 V

0.1 μF

BLS AN-SB-7637-4 Shielded box to build in up to 2 x artificial network AN-7637-4

BLS AN-CG-7637-4 Flange plates with cable glands

BLS 400-6361

AnyWave + WaveMaster

External control unit solution to run waveforms with amplifiers and standard power supplies via its analog interfaces. Included WaveMaster software for waveform generation and data acquisition.

USB interface

Maximum sampling rate of analog outputs: 2.8 MS/s

2 analog outputs

Unlimited memory data points

WaveMaster software for graphical and tabular input of waveforms and for controlling the amplifier / power supply

Graphic display of generated voltage curve in sync to measured signals of current and voltage of the monitor outputs

Integrated test pulses out of LV124 / VW80000, DIN 40839, ISO 16750, ISO 7637 as well as other manufacturer standards (Daimler, BMW, VW, etc.) 

Taking over data out of oscilloscopes and run real signals

DLL´s for embedding in LabView, C#, C++, ANSI C, Python, Vector CAPL, etc. Dimension: 19“ Width, 2 U

BLS 27/54-1500 1C

Single Channel High Dynamic Power Supply

Bidirectional DC-Power Supply

Inclusive WaveMaster Control


DC Output:

Voltage Umax: 1.500 V

Current Continuous Imax: ±54 A

Device Power Pmax: 27 kW

Number of output channels: 1

Voltage accuracy dynamics (values for one power supply module):

Voltage rise time 10% - 90%: Voltage fall time 90% - 10%: Mains connection: AC input voltage: 380 …

480 V, 50 / 60 Hz

Ambient conditions: Cooling: temperature controlled cooling fans

Mechanical information: Housing: 19”, 7 HE


BLS G5.ISR.2 Integrated Safety Relay

2-channel (2x category 1, PL c according to DIN EN ISO 13849-2:2012)

read-back circuit with forcibly guided contacts

for 27/36 kW


BLS G5.HMI.2 Human Machine Interface

5'' touchscreen, built in DC power supply

operation for single device and multi-unit system

for 36kW

BLS 100-SSM-TS-12

WaveMaster-Software service, support, and maintenance

Why Choose BOLAB Systems for ISO 7637-4 Compliance?

  • Full ISO 7637-4 compliance – covering all required test conditions
  • Turnkey system – includes generator, amplifier, coupler, transformer, and switching solutions
  • High-power RF amplifier – 75W output ensures low distortion and clean sine wave generation
  • Scalable & modular – configurable to meet your specific DUT testing needs
  • Reliable performance – built-in overvoltage protection prevents amplifier damage

More Product Information

Absolute EMC

Absolute EMC LLC is a premier North American provider of electromagnetic compatibility (EMC) expertise and test equipment. They deliver end to end consulting—covering IEC, MIL STD, CISPR, and automotive standards—hands on training for all EMC and RF test instruments, and turnkey test system design and integration. Leveraging decades of experience with every major manufacturer and the latest technologies, they also offer strategic guidance on equipment selection, market trends, and procurement to help you maximize the performance and ROI of your EMC investments.


Contact Details

Absolute EMC LLC

8240 Rugby Road, Manassas Park VA 20111, USA

Phone: 703-774-7505 

Email: info@absolute-emc.com

Contact form

Test & Measurement

Download Line Card
Absolute EMC BOLAB Systems ISO 7637-4 HV Test System