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EXT-02F – Extracellular Amplifier

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Dual/Single Channel Amplifier

  • Record any extracellular signal (single units, EEG, ECG, etc.) using versatile filter settings
  • Built-in audio monitor allows identification of cells
  • Record from freely moving animals using npi’s mini heastages
  • An alternative is the EXT-02B with switchable headstage (recording/stimulation)
  • Also available as module for the EPMS-07 system
Categories: ,

Features

  • Two differential inputs
  • Headstage available
  • AC or DC mode
  • Gain up to 10k
  • Lowpass and highpass filters
  • One or two channel version

Ordering

Part No. Description
EXT-02F-2 Extracellular amplifier with two channels, without headstages
EXT-02F-1 Extracellular amplifier with one channel, without headstage
EXT-HS Differential headstage for extracellular amplifier
PPH-0P-BNC Electrode holder BNC, without port
EXT-MINI Miniature headstage for EXT-series amplifier. Many different configurations available for in-vivo or in-vitro use, housing and cable options.

Please contact us for further information and prices.

Technical Data

HEADSTAGES (optional) Operating voltage ±12 V; Size (approx.): 65x25x25mm
holding bar diameter 9 mm, length 150 mm
Electrode connector: BNC with driven shield
Ground connector: 2.4 mm connector or headstage enclosure
Reference connector: gold-plated SMB, grounded shield
Input resistance: >1012 Ω
Differential input: cmr >90 dB at 1 kHz (tested with 0 Ω input resistance).
AC/DC OUTPUT filtered and amplified
impedance 50 Ω
DIFFERENTIAL INPUT BNC / SMB connector with headstage or BNC connectors
CMR >90 dB
GND position for each INPUT
INPUT RESISTANCE (without headstage):
10E+6 Ω , range ±1 V (lower input resistance on request)
LOW PASS FILTER 30, 100, 500, 700, 900, 1.3k, 1.5k, 1.7k, 3k, 10k, 20k Hz
HIGH PASS FILTER OFF, 3, 30, 100, 300, 400, 500, 600, 800, 1k, 3k, 10k Hz
AUDIO MONITOR PITCH or NOISE, DC or AC
NOISE mode with THRESHOLD
channel selected by switch
connector external speaker / line
GAIN 10, 20, 50, 100, 200, 500, 1k, 2k, 5k, 10k
OFFSET COMPENSATION Potentiometer with 2 ranges: ±0.1 V or ±1 V
MONITORS Impedance: 250 Ohms
GAIN: BNC connector, 1 V per step, +1 V….+7 V
FILTER: BNC connector, 1 V per step, -8 V….+7 V
COMMAND: BNC connector, sensitivity: x10
ANALOG BALANCE MONITOR ca. ±30 mV
EXTERNAL POWER SUPPLY AC output; 12-18V, 1 A
DIMENSIONS 245 x 200 x 90 mm

Downloads

Manuals EXT-02F manual
Brochure EXT-Series

ABOUT

The EXT-02F has two differential inputs with high input resistance via BNC connectors or optionally with headstages. The output voltage signal is available AC or DC with variable gain (up to 10k), and can be filtered. The system is housed in a desktop metal case with an external power supply.
Two LEDs indicate whether the amplifier is running out of its linear range and an analog balance monitor makes the control of offsets easy. Furthermore, an audio monitor allows acoustic control of the recorded signal. The EXT-02F is also available as one-channel version.

The amplifer is suitable for single unit recording as well as for EEG and ECG recordings.

Features

Features

  • Two differential inputs
  • Headstage available
  • AC or DC mode
  • Gain up to 10k
  • Lowpass and highpass filters
  • One or two channel version

Ordering

Ordering

Part No. Description
EXT-02F-2 Extracellular amplifier with two channels, without headstages
EXT-02F-1 Extracellular amplifier with one channel, without headstage
EXT-HS Differential headstage for extracellular amplifier
PPH-0P-BNC Electrode holder BNC, without port
EXT-MINI Miniature headstage for EXT-series amplifier. Many different configurations available for in-vivo or in-vitro use, housing and cable options.

Please contact us for further information and prices.

Technical Data

Technical Data

HEADSTAGES (optional) Operating voltage ±12 V; Size (approx.): 65x25x25mm
holding bar diameter 9 mm, length 150 mm
Electrode connector: BNC with driven shield
Ground connector: 2.4 mm connector or headstage enclosure
Reference connector: gold-plated SMB, grounded shield
Input resistance: >1012 Ω
Differential input: cmr >90 dB at 1 kHz (tested with 0 Ω input resistance).
AC/DC OUTPUT filtered and amplified
impedance 50 Ω
DIFFERENTIAL INPUT BNC / SMB connector with headstage or BNC connectors
CMR >90 dB
GND position for each INPUT
INPUT RESISTANCE (without headstage):
10E+6 Ω , range ±1 V (lower input resistance on request)
LOW PASS FILTER 30, 100, 500, 700, 900, 1.3k, 1.5k, 1.7k, 3k, 10k, 20k Hz
HIGH PASS FILTER OFF, 3, 30, 100, 300, 400, 500, 600, 800, 1k, 3k, 10k Hz
AUDIO MONITOR PITCH or NOISE, DC or AC
NOISE mode with THRESHOLD
channel selected by switch
connector external speaker / line
GAIN 10, 20, 50, 100, 200, 500, 1k, 2k, 5k, 10k
OFFSET COMPENSATION Potentiometer with 2 ranges: ±0.1 V or ±1 V
MONITORS Impedance: 250 Ohms
GAIN: BNC connector, 1 V per step, +1 V….+7 V
FILTER: BNC connector, 1 V per step, -8 V….+7 V
COMMAND: BNC connector, sensitivity: x10
ANALOG BALANCE MONITOR ca. ±30 mV
EXTERNAL POWER SUPPLY AC output; 12-18V, 1 A
DIMENSIONS 245 x 200 x 90 mm

Downloads

Downloads

Manuals EXT-02F manual
Brochure EXT-Series

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