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IX2-700 Dual Intracellular Preamplifier 

 11

SPECIFICATIONS 

 
 
Electrode Holders: 

Low noise polycarbonate in two sizes: 1.0 to 1.2mm 
(#HBI2O); 1.5 to 1.8 mm (#HB18O) (order separately) 

 
Headstage: 

Box Probe, 1.5” x 1.2” x .88”, 4” long, 3/8” rod, BNC 
Input Connector 

 

Standard Headstage: N=.l for 20 to 500 Megohm 
electrode 

 

 

Current 

Multiplier 

 

 

Feedback 

Resistor 

 
 

Noise 

 

Electrode 

Resistance 

 

 

Input 

Resistance 

(N) Max 

R

E

 RMS/BW/Re  Range  Cp   

 

 

 

 

 

 

 

10 10µA 

1M

 

25µv, 10kHz, 1M

 

.2 to 5 M

 20 

pf 

10

10

M

 

1 1µA 

10M

 

50µv, 10kHz, 10M

 

2 to 50 M

 10 

pf/35 

pf 

10

11

M

 

.1(Standard) 100nA 100M

 

50µv, 1kHz, 100M

 

20 to 500 M

 10 

pf/35 

pf 

10

12

M

 

.01 10nA 

1G

 

40µv, 100Hz, 1G

 

200 to 5000 M

 20 

pf 10

13

M

 

.001 1nA 

10G

 

35µv, 10Hz, 10G

 

2 to 50 G

 20 

pf 

10

14

m

 

 

 
Extracellular Recording:  

Works with 8024 voltage, gain 1000 AC 
coupled headstages 

 
Filter Response:  

Switch selectable DC to 1kHz, 3kHz, 5kHz, 
10kHz, 30kHz and Wide Band 

 
Input Bias Current: 

 

 

1 x 10

-

12

 Amps (Adjustable to zero) 

 
Rise Time to Pulse: 

Typically 10 microseconds into 10 megohm 
resistor (10 to 90%), 50 microseconds into 
100 megohm 

 
Voltage 

Gain:    X10 

and 

X100 

 
 
Output Impedance:  

 

 

500 ohms all outputs 

 
Offset Voltage: 

+200mV 

Содержание IX2-700

Страница 1: ...nual Version 1 1 Dagan Corporation 2855 Park Avenue Minneapolis MN 55407 USA 612 827 5959 Fax 612 827 6535 Email info dagan com Web www DAGAN com Warning This instrument is not designed or intended fo...

Страница 2: ...0 Dual Intracellular Preamplifier 1 TABLE OF CONTENTS Page IX2 700 Block Diagram 2 Introduction and Features 3 Control Description 4 Operation 7 Specifications 11 Accessories 12 Warranty Services Repa...

Страница 3: ...IX2 700 Dual Intracellular Preamplifier 2...

Страница 4: ...ltering electrode impedance testing and a back lighted for dark labs LCD voltage and current meter FEATURES Small Box Probe in five current ranges with automatic decimal point selector on current mete...

Страница 5: ...initiating buzzes until you achieve desired cell penetration Buzz magnitude is a trimpot located under the buzz switch CAPACITANCE COMPENSATION CONTROL This control provides input capacitance neutrali...

Страница 6: ...current is 100 nA full scale times the headstage multiplier Thus the X 1 headstage would change the full scale dial reading to 9 99 nA The current control is linear and the readout corresponds to the...

Страница 7: ...able In addition the Buzz Switch is many times useful for clearing a blocked microelectrode and impaling cells MONITOR MON BNC CONNECTOR Actual currents being passed through the microelectrode are mon...

Страница 8: ...hat the voltage is at ground potential ground voltage trace adjust position on oscilloscope to desired position uncouple voltage channel and return trace to the same position using the DC offset contr...

Страница 9: ...when you switch polarity the bridge is balanced The main disadvantage with a bridge circuit arises from changes in the microelectrode resistance The circuit works on the assumption that the bridge is...

Страница 10: ...scillating IMPALING THE CELL With the system calibrated the electrode in good condition and the amplifier compensated you are ready to penetrate the cell As the barrel of the electrode enters the tiss...

Страница 11: ...from channels 1 and 2 are equal Should you need to adjust the trimpot contact the factory for explicit instructions The Cx control is for cross capacitance nulling to adjust for variations in dynamic...

Страница 12: ...pf 1010 M 1 1 A 10M 50 v 10kHz 10M 2 to 50 M 10 pf 35 pf 1011 M 1 Standard 100nA 100M 50 v 1kHz 100M 20 to 500 M 10 pf 35 pf 1012 M 01 10nA 1G 40 v 100Hz 1G 200 to 5000 M 20 pf 1013 M 001 1nA 10G 35 v...

Страница 13: ...1999 my 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 Size 3 1...

Страница 14: ...the four screws on the top cover and slide it backwards PRINTED C1RCU1T CARD REMOVAL Unscrew the desired PC board locking screws Unsnap the connectors and pull them upwards FUSE REPLACEMENT The IX2 7...

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