IX 2- 700

IX 2 - 700

Intracellular Preamplifier

Dagan

The IX2-700 is a dual channel microelectrode preamplifier designed to serve a wide variety of applications including: Single and Two Channel intracellular recording; Single and Two Channel extracellular recording; Ion-Selective Electrode Amplifier; Teaching application requiring ease of use.

The IX2-700 is a complete instrument with DC and pulsed current passing capability, filtering, electrode
impedance testing, and a back-lit (for dark labs) LCD voltage and current meter.

Specifications

Headstage: 3.7cm x 2.9cm x 2.3cm (Two Headstage included with IX2-700) Standard Headstage: N=.1 for 20 to 500 MW electrode.

Current Multiplier N	I max	RE (Feedback resistor)	Noise RMS/BW/Re	Electrode Resistance Range	Cp	Input Resistance
10	10µA	1MW	25µV; 10kHz; 1MW	.2 to 5MW	20pF	10¹⁰W
1	1µA	10MW	50µV; 10kHz; 10MW	2 to 50MW	10pF	10¹¹W
.1 (Standard)	100nA	100MW	50µV; 1kHz; 100MW	20 to 500MW	10pF	10¹²W
.01	10nA	1GW	40µV; 100Hz; 1GW	200 to 5000MW	20pF	10¹³W
.001	1nA	10GW	35µV; 10Hz; 10GW	2 to 50GW	20pF	10¹⁴W

Filter Response:     Switch selectable DC to 1kHz, 3kHz,
                             5kHz, 10kHz, 30kHz and Wide Band
Input Bias Current: 1 x 10-12 A (Adjustable to zero)
Rise Time to Pulse: Typically 10 ms into 10 MW resistor
                              (10 To 90%), 50 ms into 100 MW
Voltage Gain:         x10
Output Impedance: 500W all outputs
Offset Voltage:       ±200mV
Balance Reading:   0 to 100 MW divided by headstage
                            scaling N (10 turn digital dial)
Electrode Impedance Test: 1mV per MW squarewave (N)
Digital Polarization Current Range: 0 to ±100 nA
        (10 turn digital dial) scaled by headstage multiplier N
Gated Stimulus Current: +2 volt to +20 volt level turns on
                                     programmed stimulus step (0 to +l000nA)

Monitor: 1999 mV meter displays channel 1 and 2
                voltage and current and channel 1 minus 2 voltage
                 (decimal point is automatically set)
Cross Capacitance Control (Cx): For ion selective electrode
                  balancing
External Current Input BNC: 20nA/V scaled by the headstage
                   multiplier
Size:         3 1/2 inch by 19 inch rack
Power:      115/230VAC 50/60Hz
Electrode Holders: Low noise polycarbonate in two sizes:
                   HB120 for glass 1.0 to 1.2mm O.D.;
                   HB180 for glass 1.5 to 1.8 mm 0.D. (order separately)
Extracellular Recording: 8024-15 Extracellular Headstage
                   (AC coupled, voltage gain = 1000) (order separately)
Optional: 7001 Spare Headstage (Specify N)

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