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Accordion Modules

Accordion modules are the plug-in cards that give the Accordion test node its capabilities — power, measurement and I/O, communication, switching, audio, and connectivity. The system auto-discovers each module at boot. All channels appear through the same Accordion API. Test code stays portable across module changes.

The catalog organises Accordion modules by function. Pick the module that matches what you need the test system to do — not which slot it plugs into. Power modules cover PSUs, PoE, USB-PD, and battery emulation. Measurement & I/O covers precision ADC/DAC and mixed-signal channels. Communication & buses covers I²C, UART, SPI, and JTAG. Switching & relays covers multiplexing and contact switching. Audio and Connectivity cover their respective niches.

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Showing 14 products.

Tone Audio Module

A line-level audio source and analyzer in SO-DIMM form. Two DAC outputs, four ADC inputs, 96 kSps / 24-bit, all DSP on-module.

Tone Audio Module
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6x IDC N-TOP Breakout Module

The simplest way to wire an Accordion fixture: 96 DATA lines on six 20-pin IDC connectors, all passive, all directly mapped.

6x IDC N-TOP Breakout Module
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Mini-PSU

N-Top module for the Accordion test system — two buck-boost channels, 0–24 V at 1.5 A each, fully programmable over I²C.

Mini-PSU
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Battery Simulator

Programmable battery emulation — 0–10 V at 1 A bidirectional, galvanically isolated, with on-board measurement and protection.

Battery Simulator
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Precision ADC/DAC Module

Precision analog I/O for Accordion: 12 × 24-bit ADC and 8 × 16-bit DAC channels, calibrated per channel and stored on the module.

Precision ADC/DAC Module
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Communication Module

The control core of every Accordion. Two I²C channels, UART, SPI, JTAG, fan control, and synchronized analogue sampling — software-defined.

Communication Module
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Accordion AGENT

Scalable Data Acquisition System

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PSU M.2 Module

A programmable dual-channel PSU module for the Accordion test system. M.2 connector, PMBus control, no manual trim or calibration.

PSU M.2 Module
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PoE M.2 Module

A PoE sourcing module that drops Class 8 power into Accordion test fixtures — with the telemetry and fault control compliance work needs.

PoE M.2 Module
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Accordion Expand I2C Module

Connect Agent Expand units to Accordion Agent with long-range I2C and power distribution. Scalable, flexible, and engineered for growth.

Accordion Expand I2C Module
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Accordion Expand SPDT Relay

8-channel SPDT relay module with emergency stop and LED indicators, ideal for high-power switching and flexible system integration.

Accordion Expand SPDT Relay
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AMUX

A software-routed 80-channel analog multiplexer module — 500 MHz bandwidth, configurable as 1:80, 2:40, or ten independent 8-to-1 paths.

AMUX
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GPIO

96-channel digital I/O with per-bank voltage control, 12-bit DAC, and ±10mA drive—ideal for scalable, mixed-signal systems.

GPIO
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MPIO-96 SPI Module

A high-density I/O card with 96 bidirectional channels — each one an analog input, analog output, or pseudo-digital I/O on demand.

MPIO-96 SPI Module
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Accordion Expand DMM Relay

Versatile 32-channel DMM relay with configurable layouts, galvanic isolation, and trigger ports for precise, automated signal switching.

Accordion Expand DMM Relay
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Other product categories

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Switching & relays

Signal routing, multiplexing, and relay switching for the Accordion test...
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Power

Programmable power for the Accordion test system — modules that source, ...
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Measurement & I/O

Measurement modules for the Accordion test system read voltages and curr...
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