8024 Extracellular Preamp Adapter for Intracellular Amplifiers

8024 Extracellular Headstage for Intracellular Amplifier Systems now with High Pass Filtering

Works with Dagan Models: IX-1, IX-2-700, 8700, TEV-200, BVC-700

Now you can have it all, extracellular recording with an intracellular amplifier. The 8024 Extracellular Headstage, and the NEW 8024 Dual Intracellular & Extracellular Headstage extends the use of intracellular amplifiers to include extracellular recording.
The 8024 headstage probe is electrically identical to the popular DAGAN 2400 System probe and has the same noise specifications of the 2400 Extracellular amplifier. The headstage is a high gain AC coupled amplifier with selectable high pass of 0.3 Hz, 3 Hz, and 30 Hz. Low pass filtering is done by filters internal to the Intracellular Systems.

The 8024 Dual Intracellular & Extracellular Headstage includes all the Extracellular features of the 8024 plus an additional mode allowing it to function as a normal intracellular headstage. This allows one to record both Intracellular and Extracellular potentials with the same electrode, without the need to change Headstages.


An ultra low noise experimental setup and the absence of capacitive loading effects are made possible by the use of a probe headstage containing the first preamplifier gain block and also all circuitry needed for the other microelectrode terminations. An intermediate amplifier stage is located in a small box in line with the cable near the host amplifier and contains the gain selector and filter switch. This eliminates possible movement artifact to the headstage itself. Gains of 100 or 1000 can be selected, and when combined with gains of 10 or 100 in the mainframe, total gains of up to 100,000 are possible. Filter values are 0.3 Hz, 3 Hz, and 30 Hz.


Capacitive neutralization is at your fingertips with a high resolution control located on the probe. This feature gives you the capability to fine tune signal rise times when your microelectrode resistances are greater than a few Megohms.


A low noise shielded probe cable is so flexible that the lightweight probe headstage will always stay where you want it. The ten foot cable and rugged chassis connector make for fast and simple connection to your experimental setup. A BNC co-axial input connector mates with a wide variety of microelectrode holders and BNC pins.


A removable three inch long rod allows the probe to be mounted directly in your micromanipulator. A flat removable probe cover plate can be drilled for setups that necessitate permanent mounting of the probe to a variety of surfaces and equipment.

Specifications

Preamplifier:

Dimensions: 5.7 cm (2-1/4") X 3.2 cm (1-1/4") X 2.5 cm (1") less mounting plate. Detachable rod is 0.63 cm dia. (1/4") x 7.6 cm long (3"). Probe to Mainframe cable is 7 conductor, low noise shielded, 3 meters long (10'), with a second gain switch box the same size as the probe.

8024-15 Extracellular Headstage (for IX1, IX2-700, BVC-700, TEV-200) $ 500.00
8024-9 Extracellular Headstage (for 8700, 8800) $ 500.00
8026 Differential Input versions of above (special order) $ 590.00
8024-7001 Dual Mode Extracellular & Intracellular Headstage (for IX1, IX2-700,BVC-700)(Specifiy N #) $ 990.00
8024-201 Dual Mode Extracellular & Intracellular Headstage (for TEV-200) $ 750.00
8024-8715 Dual Mode Extracellular & Intracellular Headstage (for 8700 & 8800) $ 750.00

Warning: This equipment is not intended for use in human applications or human experimentation.

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Dagan Corporation Minneapolis MN USA 612-827-5959 (FAX 612-827-6535) Email: info@dagan.com 5/08