Provides Low Level Signal
Acquisition Capability to DSOs
10 µV/div Sensitivity
Low Pass Filters for 100 Hz,
3 kHz, 100 kHz, and Full (1 MHz)
CMRR: > 100 dB DC to 10 kHz
Selectable Gain:
100, 10, 1, or 0.1
Accurately Measures Signals
As Small As 5 µV
Ideal for Medical Research,
Mechanical Testing, and
Medical Equipment Design
No Additional Power Supplies or
Cables Required When Used
with Oscilloscopes That Have a
TekProbe
Interface
™
BNC Connector
FAXable Data Sheet
1
ADA400A Differential Preamplifier
ow low level differen-
N
tial measurements
can be made on any Tek
scope. The ADA400A preamplifier is perfect for low
frequency differential measurements or low amplitude, single ended measurements with lots of
noise.
The ADA400A preamplifier
is designed for biophysical
research and mechanical
transducer, medical diagnostic, and imaging equipment design, as well as
audio equipment design
applications.
STANDARD
SPECIFICATIONS
Gain Settings
0.1, 1, 10, 100
Differential Signal Range
(with DC Offset off)
0.1 ± 80 V
1±10 V
10 ± 1 V
100 ± 100 mV
Common Mode Signal Range
0.1, 1 ± 40 V
10, 100 ± 10 V
Power Supply
TekProbe Power
(for non-TekProbe BNC
connector scopes use 1103
Power Supply)
Electrostatic Immunity
(per IEC 801-2)
> 8 kV
DC Gain Accuracy
±2%
TYPICAL
CHARACTERISTICS
CMRR
(at gain of 100)
> 100 dB (100,000:1) at 10 kHz
> 90 dB (30,000:1) at 100 kHz
Input R
1 MΩ (each input)
(
∞Ω jumper selectable)
Input C
55 pF ± 20% (each input)
Offset Range
0.1, 1 ± 40 V
10, 100 ± 1 V
Bandwidth
DC to > 1 MHz
Selectable Filters
100 Hz, 3 kHz, 100 kHz
Output Load Requirements
1 MΩ
PHYSICAL
CHARACTERISTICS
Output Cable Length
2 m (6.6 ft)
Weight kg lb
Net 1.49 3.3
Dimensions cm in
Height 3.6 1.4
Width 11.2 4.4
Length 20.3 8.0
FAXable Data Sheet
2
ADA400A
Differential
Preamplifier
For further information, contact the
nearest Tektronix subsidiary, or:
World Wide Web: http://www.tek.com
ASEAN Countries
(65) 356-3900
Australia &
New Zealand
61 (2) 888-7066
Austria
43 (1) 6866020
Belgium
32 (2) 725-96-10
Canada
1 (800) 661-5625
Central America,
Mexico, & Caribbean
52 (5) 666-6333
Denmark
45 (44) 53 54 55
Finland
358 (0) 4783 400
France &
North Africa
33 (1) 69 86 81 81
Germany,
Eastern Europe,
& Middle East
49 (221) 94 77 0
Hong Kong
(852) 2585-6688
India
91 (80) 226-5470
Italy
39 (2) 25-086-1
Japan
(Sony/Tektronix
Corporation)
81 (3) 3448-3111
Korea
82 (2) 528-5299
The Netherlands
31 (2503) 95555
Norway
47 (2207) 0700
People’s Republic
of China
86 (10) 834-7657
South America
55 (11) 543-1911
Spain & Portugal
34 (1) 372 6000
Sweden
46 (8) 629 6500
Switzerland
41 42 21 91 92
Taiwan
886 (2) 765-6362
UK
44 (1628) 403300
USA
1-800-426-2200
100
Typical Gain = 10, 100
90
80
70
60
CMRR (dB)
50
Specified Gain = 100
Specified Gain = 10
Typical Gain = 1
Typical Gain = 0.1
40
10 100 1000 10,000 100,000
Common Mode Frequency (Hz)
ORDERING INFORMATION
ADA400A
DIFFERENTIAL
PREAMPLIFIER
Includes: Two spare fuses
1
(
/16A, 250 V), Instruction
Manual (070-9164-00)
RECOMMENDED
ACCESSORIES
P6101B 1X, 15 MHz Passive
Voltage Probe
1103 TekProbe Power Supply
(for use with non-TekProbe
BNC Scopes)
RECOMMENDED
OSCILLOSCOPES
TDS 400 Series
TDS 500 Series
TDS 600 Series
TDS 700 Series
RELATED PRODUCTS
P6046 100 MHz, Active
Differential Probe
P5200 25 MHz, 1300 V
Differential Probe
P6135A 10X, 500 V, 150 MHz
Differential Probe Pair
From other areas, contact:
Tektronix, Inc. Export Sales
P.O. Box 500, M/S 50-255
Beaverton, Oregon 97077-0001 USA
(503) 627-1916
ISO 9OO1
KEMA CERT. NR. 10001.04
Copyright © 1995, Tektronix, Inc.
All rights reserved. Printed in U.S.A. Tektronix
products are covered by U.S. and foreign patents,
issued and pending. Information in this publication
supersedes that in all previously published material.
Specification and price change privileges reserved.
TEKTRONIX
and
TEK
are registered trademarks.
8/95 WSS/XBS 60W-10387-1
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