The Front Ends

Modular Physiological Amplifiers and Stimulators for Custom Neuroscience Experiments

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Integrate your standard touch proof electrodes, caps, or nets with any of our EEG Front Ends. If your experiments call for stimulation, our EEG+tES Front End is versatile enough to deliver transcranial (tES), transcutaneous nerve (TENS), or spinal stimulation (TSS).

ripple-eeg-view

EEG and EEG+TES

Designed for surface electrodes, with both high and low impedances contacts.

macro and macro+stim

Designed for high and low-impedance macroelectrodes.

micro2-stim-explorer2x

micro2 and micro2+stim

Designed for high-impedance microelectrodes

physio16

physio and physioD

Designed for EMG and peripheral recording in mind.

Modular Physiological Amplifiers and Stimulators
for Custom Neuroscience Experiments

The Explorer line offers four distinct families of Front Ends to provide ideal recording and stimulation capabilities for any modality. Designed with optimal technical specifications for each recording modality in mind, the four families are the EEG, the Macro, the Micro2, and the Physio. Mix and match Front Ends on the same processor to increase the number of recording channels and record additional physiological signals.

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EEG and EEG+tES

Designed with EEG specifically in mind, the EEG family of Front End can be used with nearly any non-invasive surface electrode and is ideal for surface recordings that do not require bipolar or true-differential referencing. For stimulation, the EEG+tES Front End can deliver transcranial (tES), transcutaneous nerve (TENS), or spinal stimulation (TSS) through the same surface electrodes used during recording.

macro-cropped

Macro and Macro+Stim

The Macro family of Front Ends was designed to easily connect to standard clinical invasive electrodes. Recording specifications are optimized for applications such as high-resolution ECoG or sEEG. The Macro+Stim Front End features a maximum stimulation current that matches common clinical stimulators, while incorporating novel safety features to prevent excessive discharge.

micro2-stim-sized

Micro2 and Micro2+Stim

Ideal for high-resolution, invasive recordings, the Micro2 family of Front Ends is optimized for use with high-impedance microelectrodes and can record single-units. Stimulate and record on all 32 channels simultaneously with the Micro2+Stim for unparalleled stimulation capabilities.

physiod-sized

Physio and PhysioD

The Physio family of Front Ends was designed specifically for electromyography. Perform shared reference or true-differential recordings with the 32-channel Physio or the 16-channel PhysioD. Both variations feature technical specifications that are ideal for any type of electrophysiology from the body, such as ECG or non-invasive peripheral nerve recordings.

Modular Physiological Amplifiers and Stimulators for Custom Neuroscience Experiments

Integrate your standard touch proof electrodes, caps, or nets with any of our EEG Front Ends. If your experiments call for stimulation, our EEG+tES Front End is versatile enough to deliver transcranial (tES), transcutaneous nerve (TENS), or spinal stimulation (TSS).

  • Compatible with any electrode technology, including caps or nets
  • Small, multi-channel Front End combines the signal quality of active electrodes with the durability and robustness of passive electrodes
  • Miniaturized form factor is ideal for mobile and ambulatory EEG applications

Non-Invasive Recording and Stimulation

EEG and EEG+tES

Designed for both high and low impedance surface electrodes, Ripple Neuromed’s EEG Front Ends are suited for any single reference surface recording.

Integrate your standard touchproof electrodes, caps, or nets with any of our Front Ends. If your experiments call for stimulation, our EEG+tES Front End is versatile enough to deliver transcranial (tES), transcutaneous nerve (TENS), or spinal stimulation (TSS).

Features

  • Compatible with any electrode technology, including caps or nets
  • Wearable on a cap or net to achieve the signal quality of active electrodes with the durability and robustness of passive electrodes
  • Compact form factor is ideal for mobile and ambulatory EEG applications

Primary Use Cases

HD EEG | ERP | BCI | Mobile EEG | Sleep Research | Neuromodulation

eeg32_cropped

Invasive Recording and Stimulation

Macro and Macro+Stim

Easily interface with standard clinical electrodes with the Macro Front End. The Macro’s wide dynamic range makes it ideal for applications such as high-resolution ECoG or sEEG. With a maximum stimulation current of 15mA, the Macro+Stim matches common clinical stimulators while implementing novel safety features to prevent excessive current discharge.

Features

  • Integrated filtering, amplification, and 24-bit digitization for high-fidelity signal acquisition
  • Select any two channels at a time for stimulation with channel switching time < 1ms
  • Programmatic control of waveforms and train parameters
  • Exhausting for fast recovery following stimulation

Primary Use Cases

Epilepsy | Parkison’s & Movement Disorders | Obsessive-Compulsive Disorder (OCD) | ECoG | sEEG | LFPs | DBS | Closed-Loop Neurodmodulation

micro2-explorer2x
micro2-stim-explorer2x

Micro2 and Micro2+Stim

Made for high impedance microelectrodes, the Micro2 Front End is capable of recording single-units at a sampling rate of 30kHz. Stimulate and record on all 32 channels simultaneously with the Micro2+Stim for unparalleled flexibility and control in applications such as closed-loop stimulation and DBS.

Features

  • Designed for high-impedance microelectrodes
  • Integrated filtering, amplification, and 16-bit digitization for high-fidelity signal acquisition
  • Simultaneous recording and stimulation on all channels
  • Programmatic control of waveforms and train parameters
  • Fast-settle circuitry for artifact rejection and rapid recording recovery following stimulation

Primary Use Cases

Single-Unit/Multi-Unit Activity | ECoG | LFPs | Closed-Loop Stimulation

EMG & Peripheral Recording

Physio and PhysioD

Providing the flexibility to record any electrophysiology signals, Ripple Neuromed’s Physio Front End can be used for EMG, ECG, respiration, or other non-invasive measures. Available in a true-differential 16-channel configuration as well as a single reference 32-channel configuration, the Physio Front End can meet all of your high-density, peripheral recording needs.

Features

  • Configurable in 16 channel differential pairs or 32 single-ended channels
  • Acquire EMG, ECG, respiration, and other bio-signal measures

Primary Use Cases

Sleep Research | Psychophysiology | MEP | Multi-modal Electrophysiology | Kinesiology | BCI

physio16

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