Atec TDS744A User Manual
Measurement Capability:
AC/DC Current
• 50 MHz Bandwidth
• 50 Amp Peak Pulse
• 10 mA/div Sensitivity
Differential Voltage
• 100 MHz Bandwidth
• 1300 V Differential
• 50 mV/div Sensitivity
Instantaneous Power
• 50 MHz Bandwidth
• 5.0 mW/div to 50 kW/div
1
Power-Electronics
Measurement System
Energy Computation
he Power Electronics
T
Measurement System
provides a breakthrough in
measurement capability for
designers who make many
types of power, current,
and floating voltage
measurements.
The system consists of a
TDS 744A oscilloscope*,
P5205 high-voltage
differential probe, and the
TCP202 current probe.
The probes are powered by
the scope via the TEKPROBE
interface and the readout
on the screen is in Volts,
Amps, or W (watts) with
correct magnitude.
TYPICAL
A P P L I C AT I O N S
• True and Apparent Line Power
• Switching Transistor
Instantaneous Power
• Instantaneous Impedance of a
Switching Device
• Power Converter Start-up
Modes/Fault Conditions
• Converter Output Impedance
• Switching Ripple and
Line Ripple
• Inductor Saturation
• Battery Power Consumption
™
T C P 2 0 2
S P E C I F I C AT I O N S
Bandwidth
DC to 50 MHz
Peak Pulse
50 Amp
Max DC + Peak AC
15 Amp
Amp*Sec Product
500 x 10
Rise Time
≤ 7.0 ns
Accuracy
1% with calibrator,
3% without calibrator
Maximum Barewire V
300 V (cat I)
Maximum Conductor Size
0.15 in (3.8 mm)
Propagation Delay
17 ns
-6
Amp * Sec
P 5 2 0 5
S P E C I F I C AT I O N S
Bandwidth
100 MHz
Differential
1300V
Common Mode
±1000V
Attenuation
50X/500X
CMRR
80 dB @ 60 Hz
50 dB @ 100 kHz
Input C
7 pF
Input R
4 MΩ
Rise Time
3.5 ns
Propagation Delay
17 ns
2
Power
Electronics
Measurement
System
For further information,
contact Tektronix:
ASEAN Countries
(65) 356-3900
Australia &
New Zealand
61 (2) 888-7066
Austria
43 (1) 70177-261
Belgium
32 (2) 725-96-10
Brazil and South
America
55 (11) 3741 8360
Canada
1 (800) 661-5625
Denmark
45 (44) 850700
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) 2265470
Italy
39 (2) 250861
Japan
(Sony/Tektronix
Corporation)
81 (3) 3448-4611
Mexico,
Central America,
& The Caribbean
52 (5) 666-6333
The Netherlands
31235695555
Norway
47 (22)070700
People’s Republic
of China
(86) 10-62351230
Republic ofKorea
82 (2) 528-5299
Spain & Portugal
34 (1) 372 6000
Sweden
46 (8) 629 6500
Switzerland
41 (42) 219192
Taiwan
886 (2) 765-6362
United Kingdom
& Eire
44 (1628) 403300
USA
1-800-426-2200
TDS 744A*
S P E C I F I C AT I O N S
Bandwidth
500 MHz
Sample Rate
1 GS/s (2 ch.)
Deskew
±25 ns (per channel)
™
InstaVu
Acquisition Mode
25 Automatic Measurements
The TDS 744A digital
oscilloscope provides the
advanced signal acquisition, analysis and display
functions required for
making power electronics
measurements.
The P5205 high-voltage
differential probe allows
users to make safe, floating
measurements with the
oscilloscope grounded.
With its 1300 volt tip-to-tip
capability, it enables
Input C/R
10 pF/1 MΩ
Scale Factor Units
Color Monitor
(Tektronix patented pi-cell
technology)
*Although the TDS 744A (S/N
B040100 & up) (4 channel, Color
Display) is the preferred oscilloscope for power electronics
measurements, the following
oscilloscopes may be substituted:
differential measurements
on most power systems.
The TCP202 is a DC-coupled current probe capable
of measuring DC currents
up to 15 amps and peak
pulse currents up to
50 amps. With its DC to
50 MHz bandwidth, it can
be used with the P5205 to
provide instantaneous
power measurements of
circuits up to 50 MHz.
TDS 520B – 2-channel, Mono-
chrome Display
TDS 540B – 4-channel, Mono-
chrome Display
TDS 724A – 2-channel, Color
Display (S/N
B050100 & up)
TDS 784A – 4-channel, Color
Display (S/N
B040100 & up)
The total system has the
capability of measuring the
area under the curve of the
current and voltage waveforms. The probes have
propagation delays that are
matched to ±2 nsec. In
addition, the scope has
deskew capability for more
precise measurements.
Power calculations developed from these waveforms are displayed directly
in W (watts).
From other areas, contact:
Tektronix, Inc. Export Sales
P.O. Box 500, M/S 50-255
Beaverton, Oregon 97077-0001 USA
(503)627-1916
Visit our Web site:
World Wide Web: http://www.tek.com
Copyright © 1996, 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.
6/96 TD/XBS 51W–10795–1
TDS 744A
Digital Oscilloscope
Option 20
TCP202
DC-coupled Current Probe
(with calibrator)
Option 21
TCP202
DC-coupled Current Probe
(with calibrator)
ORDERING INFORMAT I O N
P5205
High Voltage Differential Probe
Other options: see TDS 744A
data sheet
Extra Probes and Calibrators may
be ordered separately:
TCP202
DC-coupled Current Probe
015-0672-50
Calibrator
P5205
High Voltage Differential Probe
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