WPI Bridge-8, Инструкция по эксплуатации

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8 World Precision Instruments
plastic surrounded with at least 100mm (four inches) of shock absorbing material. For
further details, please read the section entitled “Claims and Returns” on page 15 of
this manual.
Instrument Description
Noise and Interference
Electrical noise and interference originating from the current and voltage in the power
mains and room lighting power is a primary source of concern for low level bioelectric
recording. Every high amplification preamplifier is subject to this handicap, particularly
when using microelectrodes. We recommend that all input leads be shielded and
the preparation connected to earth (ground). Often, it will be necessary to enclose
the preparation and electrode lead wires in a Faraday cage or shield to reduce
mains induction to sufficiently low levels. It may be beneficial to extinguish overhead
fluorescent lighting, as well. Use of the optional headstage preamplifier can vastly improve
frequency response and reduce noise pickup when high-impedance electrodes are used!
Input Connection
The input connector of the Iso-DAM8A module is a 8-pin DIN connector. The pin
designations are shown in Fig. 5 and the function of each pin is shown in the following table.
Fig. 5—Iso-DAM8A input connections are labeled.
PIN FUNCTION
1 Output from remote headstage.
2** Isolated Ground
3 Reference Connection (See instructions)
4 Direct Input (+)
5 Direct Input (–)
6* Headstage Power (+10VDC)
7* Headstage Power (–10VDC)
8 No connection
*Reserved for headstage use only. Do not use to power other devices.
**Must be used to ref input and – input.