OT Bioelettronica OT-BridgeAmp4 User Manual

OT-BridgeAmp4

4 Channels General

Purpose Amplifier

User Manual v1.0

OT-BRIDGEAMP4 User manual v 1.0

pag. 2/9

INDEX

1. GENERAL FEATURES ....................................................................... pag. 3

1.1. GENERAL DESCRIPTION

.............................................. pag. 3

1.2. TECHNICAL SPECIFICATION

......................................... pag. 3

2. DETAILED DESCRIPTION ............................................................. pag. 4

2.1. FRONT PANEL

................................................................. pag. 4

Single Ended INPUT ............................................................ pag. 5

Differential Single Ended INPUT .......................................... pag. 5

INPUT selector ................................................................... pag. 5

OFFSET switch ................................................................... pag. 5

Output BNC ........................................................................ pag. 5

OFFSET compensation potentiometer .................................. pag. 5

HIGH PASS FILTER selector ................................................ pag. 6

GAIN selector ..................................................................... pag. 6

LOW PASS FILTER selector ................................................. pag. 6

2.2. BACK PANEL

.................................................................... pag. 7

Power supply socket ........................................................... pag. 7

Power supply switch ........................................................... pag. 7

Fuse box ............................................................................ pag. 8

OT-BRIDGEAMP4 User manual v 1.0

pag. 3/9

1. GENERAL FEATURES

1.1. GENERAL DESCRIPTION

The OT-BRIDGEAMP4 is a four channel general purpose amplifier. It can amplify and

filters any referenced single ended or differential single ended signal. The four channels

are completely independent and can be used simultaneously.

1.1. TECHNICAL SPECIFICATION

The OT-BRIDGEAMP4 is a programmable amplifier with selectable high pass filter, low

pass filter, gain and offset compensation. The OT-BRIDGEAMP4 technical specifications

are reported in Table 1.

DC coupled

Selectable High pass filter

1 Hz (II order)

10 Hz (II order)

100 Hz (II order)

Selectable Low pass filter

10 Hz (VIII order)

100 Hz (VIII order)

200 Hz (VIII order)

500 Hz (VIII order)

Selectable Gains

100, 200, 500, 1000, 2000, 5000 V/V

Gain error

< 5 %

Input resistance

> 1012 

Input range

 4 V

Output range

 5 V

Output offset

< 5 mV

Offset compensation

 3 V, when DC coupled

TAB. 1: Amplifier technical specification