EX4-400 & EX1

Quad and Single Channel Differential Extracellular Amplifiers

Dagan Corporation
 

 

The EX4-400 and EX1 Amplifiers are 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 EX4-400 and EX1 are 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: 1MOhm
 Input Range:       
   -Standard: ±700mV
   - Optional: +2V
   - Optional: ±10V
 Differential Common  Mode Input Range: ±10V
 Output Impedance: 560 Ohm
 Output Range: ±10V
 Gain: 1/2/5/10/20/50/100/200/500/1000/2000 (±1 %)
 Filter(Hz):
   Low Cut: 0.l/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:  ±10V
 Power:
   EX4-400:  Includes PS-1 External Power Supply 115/230VAC 50/60Hz
   EX1:        Includes PS-2 External, Wall Mount Power Supply 115VAC
                  60Hz only          (for 230VAC, order PS-1 Upgrade)
 Size: 
   EX4-400: 3.5" x 19" Rack Mount
   EX1:       7.3" wide, 2.6" high, 9.7" deep.		 Headstage

  Input Connector: Mini Pin Jack (mating pins provided)
 Input Impedance:        1012 Ohm
 Input Range 
   - Single Ended:     ± 70mV
   - Common Mode:  ± 1V
 Gain: 10x Mainframe Gain (2000 x 10=20,000 Total)
 Capacitance Neutralization: 0-100pF (Model 4001 only)
 Size: 2.25" x1.25" x 1"

 Noise:

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

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 artifactes.
 

 

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