Functional Test. Right-sized.

The Fixture is the ATE

Playing-card-sized, modular instrumentation that puts measurement, switching, power, and communications inside your test fixture and close to the DUT.

What is Testblox?

Why Choose Testblox?

Built for functional test. Sized for your fixture.

Built for ATE

Purpose-built for automated test
Isolated modules eliminate ground loops
Python • LabVIEW • C#

Fits where the test happens

Installs directly inside test fixtures
Less rack space and system complexity

Fast to integrate

Standard form factor and interfaces
Wide instrumentation and I/O catalog
Unified signal path and software workflow

Made to last

Designed and manufactured in Europe
3-year warranty
20+ years of hardware availability

Why Testblox?

Find the right modules for your test

Explore the building blocks of your next test system.

Dozens of modules. Four core functions.

Build your test system with measurement, switching, sourcing and communications—all on one modular platform.

Testblox instrumentation modules with front panels.
Testblox instrumentation modules with front panels.

Source

Power and stimulate the DUT.

Explore power & stimulus

Programmable power

48 V · 2 A power supply

Analog output

±10 V · 8 channels

Multifunction I/O

Combine analog output with input and digital I/O

Switch

Route signals and test points.

Explore switching

General-purpose relays

SPST, SPDT, DPST and DPDT options

Multiplexers

Select between multiple signal paths

Matrix switching

Connect instruments to different test points

Measure

Capture electrical performance.

Explore measurement

Digital multimeters

4.5 digits · 60 V DC/AC

Analog input

16-bit · ±10 V or 60 V options

Multifunction I/O

Combine measurements with digital I/O and analog output

Communicate

Control the DUT and automate the fixture.

Explore communications

Serial protocols

SPI · I²C · UART · RS485

Digital I/O

24 channels · 5 V TTL or 24 V options

USB multiplexers

Route USB connections between the DUT and test equipment

Build your system

Explore modules for your application, or discuss your test requirements with us.

testblox test fixture 3x horizontal and 2x single