Additional information
| MODEL | EXB-EXT-02B, EXB-EXT-02BS, EXB-HS, EXB_AUDIS_08B, EXB-RES-08B, TMR-01B, ISO-01B, ISO-01B-ACCU, ISO-01B-CHAR, ISO-01B-PWR |
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Budget Friendly Dual Channel Extracellular Amplifier
EXT-02B
- Additional information
- Description
- Specifications
- REL-08B
- TMR-01B
- AUD-08B
- Downloads
- References
- Ordering
Description
Features:
- Two recording channels with stimulus control, differential INPUT(S)
- One power supply for up to four EXT-02 B amplifiers, one REL-08 B and one AUD-08 B system
- Two different OUTPUTS:
- DC with GAIN x10 and OFFSET control, range ± 500 mV
- AC with GAIN x10 to x10k, HIGHPASS and LOWPASS filtered
- HIGHPASS filter (AC): 0.1, 1, 10, 30, 100, 300 Hz
- LOWPASS filter (AC): 500, 1k, 3k, 5k, 10k, 20k Hz
- NOTCH filter (AC and DC): 50 Hz or 60 Hz, activated by switch
- MONITORS (telegraphs) for filters and gain
- External STIMULUS input with 2 mm banana jacks, STIMULUS CONTROL with switch or TTL signal
- Data bus connection to AUD-08 B and REL-08 B
Available headstages:
- Standard headstage with one, two or four channels
- Standard headstage with direct stimulation through the same electrode
- Miniature headstage with one, two, four, six or eight channels (via breakout box)
- Miniature headstage with direct stimulation via separate electrode or switchable
- Tetrode miniature headstage with four channels
Use the AUD-08B for audio monitoring and the REL-08B for the measurement of the electrode resistance
Last Updated on April 25, 2025
Specifications
Input (headstage):
>10-12 W, range ±1 V
Differential Input:
CMR >90 dB at 1 kHz (tested with 0 W input resistance)
Input Capacitance:
30 pF
OFFSET compensation:
set by potentiometer, range: ±1 V
HIGHPASS Filter:
single pole, attenuation: -6 dB / octave,
|corner frequencies (Hz): 0.1, 1, 10, 30, 100, 300
LOWPASS Filter:
single pole, attenuation: -6 dB/octave,
corner frequencies (Hz): 500, 1k, 3k, 5k, 10k, 20k
GAIN:
rotary-switch 10-100-1k-10k
Output:
range: ±10 V into 1 kW / ±1 V into 50 W
Power Supply:
18V, AC, min. 1.5 A
Dimensions:
305 x 180 x 105 mm³ (W x D x H)
Headstage:
Input (headstage):
>1012 W, range ±1 V
Headstage Size:
70 x 26 x 26 mm3
Holding Bar:
length: 150 mm; diameter: 8 mm
Last Updated on April 25, 2025
REL-08B
Description
Features:
- Digital display of electrode resistance in MΩ
- BNC OUTPUT connector (1 V/ MΩ)
- Remote control with TTL IN signal
- Shares power supply with EXT-02 B, system bus connection to up to four EXT-02 B amplifiers
Specifications
Output:
range: ±10V; impedance: 50Ω
Display:
XX.XXMΩ, max. 10MΩ
Dimensions:
305 x 180 x 105 mm3 (W x D x H)
Last Updated on April 25, 2025
TMR-01B
Description
Features:
- PULSE or BURST
- 2 timing modes:
- Fixed cycle length
- Adjust PULSE + PAUSE
- Monitors for DELAY TIME, BURST FREQUENCY and PULSE TIME
- START, STOP and RESET manually or via TTL
- Timing set by digital push button controls
- Cascade multiple TMR-01B for complex simulation patterns
- Ideal for gating simulation, amplifiers, iontophoretic and pneumatic drug applicators
Specifications
Input:
TTL (0 … 5V), impedance: 10kΩ
Output:
TTL (0 … 5V), impedance: 50kΩ
Burst Frequency:
2 … 200Hz
Timing error:
max. 1 digit
Power requirements:
9 … 12V DC, 1A min.; power supply (provided)
Dimensions:
305 x 180 x 105 mm3 (W x D x H)
Last Updated on April 25, 2025
AUD-08B
Description
Features:
- PITCH mode: the input signal is converted into a tone
- NOISE mode: the input signal is highpass filtered to monitor the noise
- THRESHOLD function sets the level for NOISE mode:
three ranges (0.5, 1, 2 V), adjustable from 0% to 100% - Built-in speaker with volume control and HEADPHONES stereo jack audio connector
- Shares power supply with EXT-02 B, system bus connection to up to four EXT-02 B amplifiers
Specifications
AUDIO MODE:
PITCH / NOISE / THRESHOLD, selected by rotary switch with OFF position
THRESHOLD:
RANGE and FINE control, range: 0.5 V, 1 V or 2 V max.
INPUT:
BNC connector, impedance 1 MW, high-pass filtered in NOISE mode
Voltage RANGE:
±10 V
VOLUME control:
volume of the speaker, one-turn potentiometer
HEAD PHONES:
3.5 mm stereo jack audio connector, 1 kW, 1 V max.
Dimensions:
305 x 180 x 105 mm3 (W x D x H)
Last Updated on April 25, 2025
References
, , , et al. (R)‐Ketamine exerts antidepressant actions partly via conversion to (2R,6R)‐hydroxynorketamine, while causing adverse effects at sub‐anaesthetic doses. Br J Pharmacol. 2019; 176: 2573– 2592. https://doi.org/10.1111/bph.14683
Last Updated on April 25, 2025
Ordering
| Part No. | Description |
| EXB-EXT-02B | EXT-02B Two Channel Low-cost Extracellular Amplifier (master version) |
| EXB-EXT-02BS | EXT-02B Two Channel Low-cost Extracellular Amplifier (slave version) |
| EXB-HS | Standard Headstage for EXT-2B Amplifier |
| EXB-AUDIS-08B | AUD-08B Audio Monitor System for EXT-02B |
| EXB-RES-08B | REL-08B Electrode Resistance Meter for EXT-02B |
| TMR-01B | TMR-01B Low-cost Digital Timer Unit (desktop) |
| ISO-01B | ISO-STIM-01B Low-cost Isolated Stimulator Unit (desktop) |
| ISO-01B-ACCU | Battery Pack |
| ISO-01B-CHAR | Charger for Battery Pack |
| ISO-01B-PWR | Power Supply for ISO-01B |
Last Updated on April 25, 2025
