TABLE OF CONTENTS
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Axopatch 200B, Copyright 1997-1999, Axon Instruments, Inc.
Adapters ................................................................................................................61
Input BNCs ...................................................................................................................61
Output Section ..............................................................................................................63
Filter......................................................................................................................63
Output Gain (
α
αα
α
) ....................................................................................................63
Output BNCs.........................................................................................................64
Panel Meter...................................................................................................................67
Power-Supply Voltage Selection and Fuse Changing ..................................................68
Supply Voltage......................................................................................................68
Changing the Fuse.................................................................................................68
Probe Temperature........................................................................................................68
Zap ................................................................................................................................69
CHAPTER 7: REFERENCE SECTION: GENERAL INFORMATION............................71
Grounding and Hum .....................................................................................................71
Model Cell ....................................................................................................................72
Model Bilayer ...............................................................................................................73
Power-Supply Glitches .................................................................................................74
Ten-Turn Potentiometers..............................................................................................74
CHAPTER 8: REFERENCE SECTION: PRINCIPLES OF OPERATION .......................75
Headstages ....................................................................................................................75
Principals of Operation .........................................................................................75
Resistor Feedback .........................................................................................75
Capacitor Feedback.......................................................................................76
If the Probe Output is Slow, How Can Voltage Clamping Be Fast? ............78
What is Clamped During Voltage Clamping? ..............................................79
Capacitance Compensation...........................................................................................79
Pipette Capacitance Compensation...............................................................79
Whole-Cell Capacitance Compensation .......................................................81
Absolute Value..............................................................................................83
Limitations ....................................................................................................83
Series Resistance ..........................................................................................................83
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