EX4-400 & EX1

Differenzialverstärker für extrazelluläre Aufnahmen
Beschreibung

 

The Dagan EX1 Amplifier is ideal for all non-human applications which require single or multiple channel AC or DC amplification with High and Low frequency filtering.  With the optional differential headstage, the EX1 is perfect single or multi-channel extracellular amplifier systems with gains of 10 to 20 000.

 

Specifications

Mainframe Amplifier

Input and Output Connector: BNC

Input Impedance: 1 MΩ

Input Range:

  • Standard: ±700 mV
  • Optional: +2 V
  • Optional: ±10 V

Differential Common  Mode Input Range: ± 10 V

Output Impedance: 560 Ω

Output Range: ± 10 V

Gain: 1/2/5/10/20/50/100/200/500/1000/2000 (±1 %)

Filter(Hz):
   Low Cut: 0.1/0.3/1/2/3/5/10/20/30/100/300
   High Cut:  30/100/300/500/1k/2k/3k/5k/10k/30k/100k

Coupling:   AC, DC, DC/Offset

Output Offset:  ± 10 V

Power:
   EX1:        Includes PS-2 External, Wall Mount Power Supply 115VAC
                  60Hz only          (for 230VAC, order PS-1 Upgrade)

Size:
   EX1:       7.3" wide, 2.6" high, 9.7" deep.

 

Headstage

Input Connector: Mini Pin Jack (mating pins provided)

Input Impedance:        1012 Ω

Input Range

Single Ended:     ± 70 mV

Common Mode:  ± 1 V

Gain: 10× Mainframe Gain (2000 × 10 = 20 000 Total)

Capacitance Neutralization: 0 - 100 pF (Model 4001 only)

Size: 2.25" × 1.25" × 1"

 

Noise:

Source Resistance          Shunt          10 kΩ                 1 MΩ               10 MΩ
Bandwidth      RMS p-p RMS    p-p RMS    p-p RMS p-p
1 Hz - 100 Hz    0.3 µV   1.5 µV   0.55 µV   2.75 µV   1.6 µV    8.0 µV    5.0 µV   25 µV
1 Hz - 1 kHz    0.7 µV   3.5 µV   1.6 µV    8.0 µV   4.7 µV   23.5 µV    14 µV    70 µV
1 Hz - 10 kHz    1.6 µV   8.0 µV   3.9 µV   19.5 µV   11 µV   55 µV    25 µV     125 µV

 

Options

4001 Differential Headstage   Gain of 10, with Capacitance Neutralization (normally used with glass electrodes).
4002 Differential Headstage   Gain of 10 (normally used with metal electrodes).
Integrator (True RMS)   Back panel BNC provides true RMS output of amplified signal.
Sample & Hold   TTL activated Sample & Hold via back panel BNC to reduce artifacts

 

Delivery subject to the reservation of limited availability from the manufacturer.