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Summary of Contents for TDT FB128
- Page 1 FB128 Neural Simulator Hardware Reference Updated 2022-10-31...
- 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 FB128 Neural Simulator Overview Hardware Set-up ZIF Connectors Omnetics Connectors Simulation Modes NORMAL HASH LFP ONLY TETRODE SYNC 100 Hz TONE 30 Hz TONE 1000 Hz TONE REF Inhibitory/Excitatory Mode Channel Mapping Mode... -
Page 4: Fb128 Neural Simulator
FB128 Neural Simulator Overview The FB128 Neural Simulator is a tool for testing experimental paradigms during the design phase and debugging problems when they arise. The compact, battery operated device simulates neurological waveforms or sine waves that can be output directly to a ZIF-Clip headstage. -
Page 5: Hardware Set-Up
Hardware Set-up When using the FB128 to test your protocol or recording hardware, set-up the recording part of your system as you would during your experiment with the FB128 in place of the subject and electrodes. ZIF Connectors Four output connectors are positioned side-by-side at one end of the simulator. -
Page 6: Omnetics Connectors
Failure to hold the clip open until it is fully in position can cause damage to the headstage connectors. Omnetics Connectors The FB128-OMN has 16- and 32-channel Omnetics connectors for LP16CH-Z and LP32CH-Z style headstages. Connect the headstage to the appropriate connector just as you would connect it to an electrode or adapter. -
Page 7: Simulation Modes
FB128 Neural Simulator | 7 LP16CH-Z and FB128-OMN Simulation Modes The Mode button, is positioned on the end opposite the output connectors. To cycle through the operating modes: • Briefly press the Mode button. The active mode is indicated by a lit LED on the face of the module. -
Page 8: Hash
FB128 Neural Simulator | 8 Pictured waveforms were generated by the FB128 and plotted in Synapse with the following settings: Wave Filter Settings: High Pass: 300 Hz, Low Pass: 5000 Hz LFPx Filter Settings: High Pass: 0 Hz, Low Pass: 300 Hz HASH NORMAL mode but with spikes scaled down by a factor of 2. -
Page 9: Lfp Only
FB128 Neural Simulator | 9 Pictured waveforms were generated by the FB128 and plotted in Synapse with the following settings: Wave Filter Settings: High Pass: 300 Hz, Low Pass: 5000 Hz LFPx Filter Settings: High Pass: 0 Hz, Low Pass: 300 Hz LFP ONLY NORMAL with spikes scaled to zero. -
Page 10: Tetrode
FB128 Neural Simulator | 10 Pictured waveforms were generated by the FB128 and plotted in Synapse with the following settings: Wave Filter Settings: High Pass: 300 Hz, Low Pass: 5000 Hz LFPx Filter Settings: High Pass: 0 Hz, Low Pass: 300 Hz... - Page 11 FB128 Neural Simulator | 11 Shown: Tetrode + Excitatory Mode Pictured waveforms were generated by the FB128 and plotted in Synapse with the following settings: SUwv Filter Settings: High Pass: 300 Hz, Low Pass: 5000 Hz RAWx Filter Settings: Unfiltered Important To better view Tetrode mode (as pictured above) the channels must be re-mapped.
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Page 12: Sync 100 Hz
Neurological LFP waveforms with spikes on all channels firing synchronously at 100 Hz fixed rate. The spikes in this mode are always the same shape. Pictured waveforms were generated by the FB128 and plotted in Synapse with the following settings:... -
Page 13: Tone 1000 Hz
FB128 Neural Simulator | 13 TONE 1000 Hz 1000 Hz sine wave at approximately ±70 uV on all channels (actual frequency is ~763 Hz). TONE REF 100 Hz sine wave at approximately ±700 uV on Reference channel only. All other channels output 0. -
Page 14: Channel Mapping Mode
This is useful for mapping channels or for detecting shorts on the headstage. Press and hold the MODE button on the FB128 until the LED starts flashing, which indicates the FB128 is in channel mapping mode. Each channel plays a frequency encoded waveform that creates a unique binary pattern that can be mapped to channel number. - Page 15 Omnetics 32 Channels* * If using a ZIF headstage with a ZCA-OMN adapter, use the Mapper gizmo in Synapse and select the appropriate Ommnetics adapter from the "TDT" category of maps. Power cycle the FB128 to exit Channel Mapping Mode.
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Page 16: Power
FB128 Neural Simulator | 16 Power The FB128 is powered by a 1950 mAh battery with a 10-hr life. A 6 Volt charger (tip negative) is supplied for charging. FB128 Technical Specifications Output ±10 mV Battery 1950 mAh Battery life 10 hr runtime, time to charge 2.5 hr...