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SPECIFICATIONS
Axopatch 200B, Copyright 1997-1999, Axon Instruments, Inc.
Feedback Element Selection
FET
1
switches in hybrid enable remote selection of either a capacitor (PATCH mode) or a
parallel combination of a capacitor and resistor (WHOLE CELL mode).
Tuning (WHOLE CELL mode only)
Tuning circuit to idealize response of the feedback resistor is contained in the main
instrument. Tuning is automatically bypassed when the capacitive feedback is selected.
Pipette-Capacitance-Compensation Injection Capacitor Value
1 pF
Whole-Cell-Capacitance-Compensation Injection Capacitor Values
PATCH mode: none
WHOLE CELL mode: β = 1: 5 pF
β = 0.1: 50 pF
Case
Case connected to ground. Case jack mates to 2 mm plugs.
Bandwidth
Test signal applied via SPEED TEST input; PATCH mode:
Internal: 140 kHz
Max. External: 100 kHz (limited by output filter)
Capacitive Load Stability
1000 pF, 0 Ω in series
1
FET - Field Effect Transistor
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