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Summary of Contents for TDT Medusa4Z BioAmp
- Page 1 Medusa4Z BioAmp Hardware Reference Updated 2021-09-15...
- Page 2 The information contained in this document is provided "as is," and is subject to being changed, without notice. TDT shall not be liable for errors or damages in connection with the furnishing, use, or performance of this document or of any information contained herein.
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Page 3: Table Of Contents
Table of Contents | 3 Table of Contents Medusa4Z BioAmp Medusa4Z Overview Medusa4Z Features Analog Input Channels Electrode Connectors Impedance Checking LCD Screen Base Station Connector - Optical Power Power Requirements Medusa4Z Technical Specifications Input Referred Noise Sample Delay... -
Page 4: Medusa4Z Bioamp
Medusa4Z BioAmp | 4 Medusa4Z BioAmp Medusa4Z Overview The Medusa4Z is a four-channel, referential, low-noise digital bioamp targeted for use in low- channel-count, low-impedance neurophysiology recordings, such as ABR, EEG, EMG, or EKG signals. The bioamp digitizes one or four channels at acquisition rates of approximately 3kHz, 6kHz, 12kHz, or 25kHz, and the amplified digital signal is sent to the base station via a noiseless fiber optic connector. -
Page 5: Medusa4Z Features
Medusa4Z is connected. The change occurs by modifying the underlying circuit running on the base station in Synapse or BioSigRZ. This is the handled by default in Synapse v92 and above, BioSigRZ v5.7.5 and above. In TDT Drivers v92 and above there is a RPvdsEx circuit macro available in: C:\TDT\RPvdsEx\Macros\Device\Medusa4Z_Bioamp... -
Page 6: Electrode Connectors
Medusa4Z BioAmp | 6 Electrode Connectors Plug the electrodes directly into the standard 1.5mm touchproof connectors on the side of the Medusa4Z. Impedance Checking The Impedance checker on the Medusa4Z provides a simple check of the channel impedance relative to ground. To check the impedance level, press the button next to the channel indicator (e.g. -
Page 7: Base Station Connector - Optical
Medusa4Z BioAmp | 7 The LCD screen shows the current sampling rate, battery level, and signal level indication on the active channels. Use the SETUP button to cycle through available settings and use the OPTION button to change the currently selected setting. Settings include: Active Channels: Single or Four Channel Sample Frequency: ~3kHz, ~6kHz, ~12kHz, System Rate (up to ~25kHz). -
Page 8: Power
Medusa4Z BioAmp | 8 The duplex fiber optic cable has identical one-piece connectors at each end. There is a V- shaped groove on one side of the connector and a raised rectangle on the other. As shown in the image below, plug the connector into the RZ6 port with the raised rectangle side up. Plug the connector into the preamplifier with the V-shaped groove up. -
Page 9: Medusa4Z Technical Specifications
Medusa4Z BioAmp | 9 charger. TDT recommends a 6 (minimum) to 16 Volt (maximum) battery, such as lead acid batteries used for motorized wheel chairs. Contact TDT for more information. Medusa4Z Technical Specifications Up to 4 channels Standard Mode: 16-bit PCM... -
Page 10: Sample Delay
Medusa4Z BioAmp | 10 Sample Delay Depends on Medusa4Z and RZ processor sample rates. All units in samples. Medusa4Z rate RZ @ 25 kHz RZ @ 12 kHz RZ @ 6 kHz 25 kHz 12 kHz 6 kHz 3 kHz...
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