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EXT-02F User Manual 

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version 4.2 

 

 

page 2 

Table of Contents

 

 

1.  Safety Regulations .............................................................................................................. 3 
2.  EXT-02F ............................................................................................................................. 4 

2.1.  Components ................................................................................................................. 4 
2.2.  System Description ...................................................................................................... 4 
2.3.  Description of the Front Panel ..................................................................................... 4 
2.4.  Description of the Rear Panel ...................................................................................... 8 
2.5.  Headstage (Option) ...................................................................................................... 9 

Headstage Elements ..................................................................................................... 9 

3.  Operation ............................................................................................................................ 10 
4.  Literature ............................................................................................................................. 12 
5.  Technical Data .................................................................................................................... 13 
 

Summary of Contents for EXT-02F

Page 1: ...E EXT 02F EXTRACELLULAR AMPLIFIER WITH FILTERS One or Two Channel Recordings VERSION 4 2 npi 2015 npi electronic GmbH Bauhofring 16 D 71732 Tamm Germany Phone 49 0 7141 9730230 Fax 49 0 7141 9730240 s...

Page 2: ...______ version 4 2 page 2 Table of Contents 1 Safety Regulations 3 2 EXT 02F 4 2 1 Components 4 2 2 System Description 4 2 3 Description of the Front Panel 4 2 4 Description of the Rear Panel 8 2 5 He...

Page 3: ...e check for appropriate line voltage before connecting any system to mains Always use a three wire line cord and a mains power plug with a protection contact connected to ground protective earth Befor...

Page 4: ...of the two recording channels are identical The EXT 02F has a differential input with high input impedance to avoid noise The output voltage signal can be HIGH PASS or LOW PASS filtered and is availa...

Page 5: ...osition switch for selecting the corner frequency of the single pole HIGHPASS filter with 6 dB octave In OFF position the HIGHPASS filter is disabled DC recording Corner frequencies Hz 3 30 100 300 40...

Page 6: ...gnals greater than 1 V will be converted into a sound NOISE With an amplification of 10000 this correspondents to a signal of 100 V at the electrode 9 INPUT MODE switch Switch for selecting the INPUT...

Page 7: ...he HIGH PASS FILTER to 400 Hz Set the GAIN range switch to 1k and adjust the baseline to zero using the trimpot Set the GAIN range switch to 10k and adjust the baseline again if necessary 14 INPUT swi...

Page 8: ...are used the headstage must be disconnected Also very Important Setting both switches to OFF means that both inputs are grounded i e measurement is impossible This applies also if a headstage is used...

Page 9: ...ON A switch Switch that enables upper position or disables lower position the NOTCH filter optional 2 5 Headstage Option Figure 3 headstage optional and electrode holder optional and of the EXT 02F He...

Page 10: ...al input that minimizes noise pick up Differential means that the signal for the amplifier is the difference between the positive PEL at the headstage and negative REF at the headstage input of the am...

Page 11: ...______________________________ version 4 2 page 11 Figure 4 headstage connections A differential measurement B single ended measurement Hint The REF connector of the headstage can also be set to GND b...

Page 12: ...Electrical Activity of Individual Neurons In Situ Extra and Intracellular Recording in U Windhorst and H Johansson eds Modern Techniques in Neuroscience Research Springer Berlin New York Lambert F M...

Page 13: ...400 500 600 800 1k 3k 10k with OFF position LOWPASS Filter single pole attenuation 6 dB octave corner frequencies Hz 30 100 300 500 700 900 1 3k 1 5k 1 7k 3k 10k 20k NOTCH Filter Europe 50 Hz USA 60...

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