|
Feature
|
TEC-03X
|
TEC-05X
|
TEC-10CX
|
|
VC-Error display
|
–
|
X
|
X
|
|
PI-Controller
|
X
|
X
|
X
|
|
Series Resistance Compensation
|
X
|
X
|
X
|
|
Electrode Resistance Test
|
X
|
X
|
X
|
|
Mode of Operation Switch
|
Rotary switch
|
Rotary switch
|
Push buttons
|
|
Bridge Mode
|
–
|
X
|
–
|
|
Lowpass filter: 20 … 20 kHz
|
Four-Pole BESSEL
|
Four-Pole BESSEL
|
Four-Pole BESSEL
|
|
Direct Current output from Headstage
|
X
|
X
|
X
|
|
Oscillation Shut-off
|
X
|
X
|
X
|
|
Transient Compensation
|
–
|
–
|
X
|
|
Capacity Compensation
|
X
|
X
|
X
|
|
Cap. Comp. of Current Headstage
|
–
|
X
|
–
|
Please note: These are the available standard configurations. If you have special requirements, please contact us directly.
Specifications of the TEC-03X
MODES OF OPERATION
- VC: Voltage Clamp mode
- OFF: Membrane potential recording only
- CC: Current Clamp mode
- EXT (TTL): External control by TTL
- MODE selection: toggle switch, LED indicators; remote selection by TTL pulse
HEADSTAGES
Potential headstage:
- Differential input (for suppression of bath potentials), cmr > 80 dB; Input resistance: >1013 Ω; operating voltage ±15 V
- Electrode connector: BNC with driven shield; driven shield range: ±15 V, output impedance 250 Ω
- Reference connector (bath): gold-plated SMB, grounded shield
- Ground connector: 2.3 mm connector or headstage enclosure
- Size: 65x25x25 mm, headstage enclosure is connected to ground
- Holding bar: diameter 8 mm, length 10 cm
Current headstage:
- Operating voltage range: ±150 V
- Input resistance: >1012 Ω (can be internally trimmed)
- Electrode connector: gold-plated SMC connector, grounded shield
- Power dissipation: 6 W
- Size: 100x60x40 mm, grounded enclosure
Current range:
- 150 µA into 1 MΩ (standard)
- Current range switch (optional): x0.1, x1, x2, x5 (other ranges available)
Bandwidth and speed of response:
- Full power bandwidth (REL = 0): >100 kHz
- Rise time (10-90%): <30 µs (current pulse of 100 µA applied to REL = 1 MΩ)
- Bandwidth switch: wide band or 10 Hz for simultaneous patch clamp recordings
Current electrode parameter controls:
- Leakage current: adjustable to zero with ten-turn control
- Offset compensation: , ±500 mV, ten-turn control
Potential electrode parameter controls:
- Capacity compensation: range 0-30 pF, ten turn control
- Offset compensation: ±300 mV, ten-turn control
POTENTIAL OUTPUTS:
- Potential electrode: sensitivity x10 mV, output impedance 50 Ω; output voltage range ±15 V
- Current electrode: sensitivity x10 mV; output impedance 250 Ω, output voltage range ±15 V
- DISPLAY (switch selected): XXX mV
AUDIO MONITOR: Pitch correlated with potential signals
OSCILLATION SHUT-OFF: Turns off current injection and capacity compensation, function indicated by red / green LED, disabled / off / reset switch, threshold set with linear control (0-1200 mV)
ELECTRODE RESISTANCE TEST (both electrodes): 100 mV / MΩ, obtained by application of square current pulses ±10 nA, DISPLAY (switch selected): XX.X MΩ
CURRENT OUTPUTS:
- Uncompensated output signal: sensitivity 0.1 V/µA, output impedance 50 Ω, output voltage range ±15 V
- Compensated /filtered output: sensitivity: 0.1…10 V / µA (0.1, 0.2, 0.5, 1, 2, 5, 10 V / µA) steps selected by rotary switch, with low-pass Bessel filter, output impedance 50 Ω
- Sensitivity monitor: +1…+7 Volt, 1V / switch position, output impedance 50 Ω
- DISPLAY: X.XX µA
CURRENT OUTPUT FILTERS:
- Four-pole low-pass Bessel filter
- 16 corner frequencies: 20, 50, 100, 200, 300 500, 700, 1k, 1.3k, 2k, 3k, 5k, 8k, 10k, 13k, 20k Hz.
- Frequency monitor: -8…+7 V, 1 Volt / switch position, output impedance 50 Ω
CURRENT CLAMP:
- Inputs: 1 µA /V
- Input resistance: >100 kΩ
- HOLD: X.XX µA, ten-turn digital control with -/0/+ switch, maximum 10 µA.
Noise (in current clamp):
- Potential output: 100 µV pp
- Current output: 200 pA pp with 1 MΩ resistance and 10 kHz bandwidth (internal four-pole Bessel filters)
VOLTAGE CLAMP:
- Input sensitivity: :10 mV
- Input resistance >100 kΩ
- HOLD: XXX mV, ten-turn digital control with +/0/- switch, maximum 1000 mV
- GAIN: 10 µA/V – 10000 µA/V , ten-turn linear control.
- INTEGRATOR TIME CONSTANT: 100 µs – 10 ms, potentiometer.
Noise (in voltage clamp):
- filters set to 10 kHz, other settings see below
- Potential output: <100 µV pp
- Current output: <10 nA pp at 10 kHz, < 2 nA at 500 Hz
POWER REQUIREMENTS: 115/230 V AC, 60 W (1.25 / 0.63 A fuse, slow)
DIMENSIONS: 19″ rackmount cabinet, 19″ (483 mm) wide, 14″ (355 mm) deep, 5.25″(132.5 mm) high
WEIGHT: 8 kg
Ordering Information
- TEC-03 TEC-03X Oocyte Voltage/Current Clamp Amplifier
- TEC-EH PPH-0P-BNC Microelectrode Holder 1.5 mm glass, w/o. port, w. BNC connector
- TEC-EH-SET Electrode Holder Set for TEC Amplifiers
- TEC-MOD Passive Cell Model for TEC Systems
- TEC-CON SMB Cable for TEC Potential Headstage (REF)
