Headstage Preamplifier

Headstage Preamplifier

Headstage Preamplifier

Item# Description U.S. List Price Quantity
73-2665 Headstage Preamplifier for Microelectrode Amplifier Module (MEA)
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• Headstage for intracellular potential recording using the MEA module


• High input impedance 1 G?
The Headstage Type 695-1G can only be used in conjunction with the 73-1773 HSE-HA Microelectrode Amplifier (MEA).
Specifications73-2665
Capacity CompensationAdjustable over 0 to 8 pF
Connecting CableSignal and supply cable 1.95 m long with 8-pin binder or Amphenol-Tuchel plug to suit MEA microelectrode amplifier
ConstructionScreened metal case with microelectrode holder integral and mounting rod, 2 mm socket for bath reference and screen connection for central ground; headstage is independent of MEA amplifier used and does not require adjustment
Coupling Resistor1 G?
Frequency RangeDC to 75 kHz (-3dB)
Input CircuitFully integrated electrometer amplifier with driven screen, boot-strapped supply and capacity compensation
Input CurrentCompensated to zero
Microelectrode ResistanceSuitable for microelectrodes in range of 1 to 100 M?
MountingBy 8 mm dia. support rod and integral microelectrode holder suitable for mounting of conventional micromanipulators as replacement against
standard microelectrode holder
Power SupplyFrom MEA Microelectrode Amplifier Type 695