CAMBRIDGE CED 1902 User Manual

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The CED 1902 Mk IV Owners Handbook
Copyright  Cambridge Electronic Design Limited 2017
Neither the whole nor any part of the information contained in,
or the product described in, this guide may be adapted or
reproduced in any material form except with the prior written
approval of Cambridge Electronic Design Limited.
1st edition (1.0) October 1991
2nd edition (1.5) February 1992
3rd edition (2.0) March 1997
4th edition (2.1) September 1997
5th edition (3.0) May 2006
6th edition (3.1) May 2008
7th edition (3.2) July 2012
8th edition (3.3) August 2014
9th edition (3.4) May 2017
Published by:
Cambridge Electronic Design Limited
Technical Centre
139 Cambridge Road
Milton
Cambridge
CB24 6AZ
UK
Telephone: +44 (0)1223 420186
USA & Canada Toll Free 1-800-345-7794
Web: www.ced.co.uk
Email: info@ced.co.uk
Trademarks and Tradenames used in this guide are
acknowledged to be the Trademarks and Tradenames of their
respective Companies and Corporations.

CAMBRIDGE CED 1902 Specifications

General

Brand	CAMBRIDGE
Model	CED 1902
Category	Amplifier
Language	English

Summary

Installation and Setup

Initial Setup and Components

Covers introduction, checklist, power block, and cables for initial setup.

Electrode and Head Stage Box Options

Details on CED1902-11 Electrode Boxes and the CED1902-10 Active Head Stage.

Software Installation and Initial Testing

Instructions for installing the 1902 software and performing a confidence check.

Connecting and Configuring the 1902

Steps for connecting the device, setting COM ports, and channel numbers.

General Information

Device Control and Electrical Safety

Explains machine control, electrical isolation, and safety/RFI approvals.

Signal Input and Functional Overview

Details signal input selection and the 1902's functional organization.

Key User Features

Overview of the 1902's capabilities and features as seen by the user.

The Hardware

Physical Design and Connectivity

Covers physical construction, rack-mount, and USB port connectivity.

Channel Numbering and Communication Setup

How to set channel numbers and configure 1902 communication settings.

Cable and Connector Details

Information on power, RS232, and signal cables, including connectors.

Application Software

Software Tools: Try1902 and Control Panel

Overview of Try1902 utility and the stand-alone control panel interface.

Software Controls: Filters and Processing

Details on configuring low-pass, high-pass filters, and EMG processing options.

Using the 1902 with Spike2 and Signal

How to operate the 1902 device using CED's Spike2 and Signal software.

Electrical Specification

Main Amplifier and Isolation Pre-amplifier

Specifications for the main amplifier and the isolation pre-amplifier.

Input Types and Transducer Connections

Describes transducer input, its modes, and connector pinouts.

RS232 Port and Power Supply

Details on the RS232 port, USB converters, and power supply requirements.

Details of Operation

Basic and Multi-Channel Operation Modes

Explains basic modes, bipolar configuration, and multiple independent channels.

Advanced Features: Buffering and Clamping

Covers input buffer options and the 1902 input clamp functionality.

Electrical Safety and Isolation Theory

Theoretical explanation of electrical isolation principles for safe operation.

Inside the 1902

Maintenance: Updates and Calibration

Procedures for updating firmware, EEPROM, and performing device calibration.

Internal Hardware: Motherboard and Daughterboards

Information on the motherboard, daughterboards (EEG, ECG, Filter), and switchpacks.

Servicing and Support Information

Guidelines for contacting CED support and returning the unit for servicing.