The servicing instructions are for use by qualified personnel only. To avoid
personal injury, do not perform any servicing unless you are qualified to do
so. Refer to all safety summaries prior to performing service.
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
Contacting Tektronix
Tektronix, Inc.
14150 SW Karl Braun Drive
P.O. Box 500
Beaverton, OR 97077
USA
For product information, sales, service, and technical support:
■
In North America, call 1-800-833-9200.
■
Worldwide, visit www.tek.com to find contacts in your area.
Warranty
Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one
(1) year from the date of shipment. If any such product proves defective during this warranty period, Tektronix, at
its option, either will repair the defective product without charge for parts and labor, or will provide a replacement
in exchange for the defective product. Parts, modules and replacement products used by Tektronix for warranty
work may be new or reconditioned to like new performance. All replaced parts, modules and products become the
property of Tektronix.
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration
of the warranty period and make suitable arrangements for the performance of service. Customer shall be
responsible for packaging and shipping the defective product to the service center designated by Tektronix, with
shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a
location within the country in which the Tektronix service center is located. Customer shall be responsible for
paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate
maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage
resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product;
b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any
damage or malfunction caused by the use of non-Tektronix supplies; or d) to service a product that has been
modified or integrated with other products when the effect of such modification or integration increases the time
or difficulty of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY
OTHER WARRANTIES, EXPRESS OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY
IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
TEKTRONIX' RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND
EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY.
TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE
VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
This manual contains information and warnings that must be followed by the user
for safe operation and to keep the product in a safe condition.
General safety summary
Use the product only as specified. Review the following safety precautions to
avoid injury and prevent damage to this product or any products connected to it.
Carefully read all instructions. Retain these instructions for future reference.
This product shall be used in accordance with local and national codes.
For correct and safe operation of the product, it is essential that you follow
generally accepted safety procedures in addition to the safety precautions
specified in this manual.
The product is designed to be used by trained personnel only.
Only qualified personnel who are aware of the hazards involved should remove
the cover for repair, maintenance, or adjustment.
Before use, always check the product with a known source to be sure it is
operating correctly.
This product is not intended for detection of hazardous voltages.
Use personal protective equipment to prevent shock and arc blast injury where
hazardous live conductors are exposed.
DPO70000SX Series iii
Important safety information
To avoid fire or personal
injury
Use proper power cord. Use only the power cord specified for this product and
certified for the country of use. Do not use the provided power cord for other
products.
Ground the product. This product is grounded through the grounding conductor of
the power cord. To avoid electric shock, the grounding conductor must be
connected to earth ground. Before making connections to the input or output
terminals of the product, ensure that the product is properly grounded. Do not
disable the power cord grounding connection.
Power disconnect. The power cord disconnects the product from the power
source. See instructions for the location. Do not position the equipment so that it
is difficult to operate the power cord; it must remain accessible to the user at all
times to allow for quick disconnection if needed.
Connect and disconnect properly. Do not connect or disconnect probes or test
leads while they are connected to a voltage source. Use only insulated voltage
probes, test leads, and adapters supplied with the product, or indicated by
Tektronix to be suitable for the product.
Observe all terminal ratings. To avoid fire or shock hazard, observe all rating and
markings on the product. Consult the product manual for further ratings
information before making connections to the product. Do not exceed the
Measurement Category (CAT) rating and voltage or current rating of the lowest
rated individual component of a product, probe, or accessory. Use caution when
using 1:1 test leads because the probe tip voltage is directly transmitted to the
product.
Do not apply a potential to any terminal, including the common terminal, that
exceeds the maximum rating of that terminal.
Do not operate without covers. Do not operate this product with covers or panels
removed, or with the case open. Hazardous voltage exposure is possible.
Avoid exposed circuitry. Do not touch exposed connections and components when
power is present.
Do not operate with suspected failures. If you suspect that there is damage to this
product, have it inspected by qualified service personnel.
Disable the product if it is damaged. Do not use the product if it is damaged or
operates incorrectly. If in doubt about safety of the product, turn it off and
disconnect the power cord. Clearly mark the product to prevent its further
operation.
Before use, inspect voltage probes, test leads, and accessories for mechanical
damage and replace when damaged. Do not use probes or test leads if they are
damaged, if there is exposed metal, or if a wear indicator shows.
Examine the exterior of the product before you use it. Look for cracks or missing
pieces.
Use only specified replacement parts.
Do not operate in wet/damp conditions. Be aware that condensation may occur if a
unit is moved from a cold to a warm environment.
Do not operate in an explosive atmosphere.
iv DPO70000SX Series
Important safety information
Keep product surfaces clean and dry. Remove the input signals before you clean
the product.
Provide proper ventilation. Refer to the installation instructions in the manual for
details on installing the product so it has proper ventilation.
Slots and openings are provided for ventilation and should never be covered or
otherwise obstructed. Do not push objects into any of the openings.
Provide a safe working environment. Always place the product in a location
convenient for viewing the display and indicators.
Avoid improper or prolonged use of keyboards, pointers, and button pads.
Improper or prolonged keyboard or pointer use may result in serious injury.
Be sure your work area meets applicable ergonomic standards. Consult with an
ergonomics professional to avoid stress injuries.
Use care when lifting and carrying the product. This product is provided with a
handle or handles for lifting and carrying.
WARNING. The product is heavy. To reduce the risk of personal injury or damage
to the device get help when lifting or carrying the product.
Probes and test leads
Use only the Tektronix rackmount hardware specified for this product.
Before connecting probes or test leads, connect the power cord from the power
connector to a properly grounded power outlet.
Keep fingers behind the protective barrier, protective finger guard, or tactile
indicator on the probes.
Remove all probes, test leads and accessories that are not in use.
Use only correct Measurement Category (CAT), voltage, temperature, altitude,
and amperage rated probes, test leads, and adapters for any measurement.
DPO70000SX Series v
Important safety information
Terms in the manual
These terms may appear in this manual:
WARNING. Warning statements identify conditions or practices that could result
in injury or loss of life.
CAUTION. Caution statements identify conditions or practices that could result in
damage to this product or other property.
Terms on the product
These terms may appear on the product:
■
DANGER indicates an injury hazard immediately accessible as you read the
marking.
Symbols on the product
■
WARNING indicates an injury hazard not immediately accessible as you
read the marking.
■
CAUTION indicates a hazard to property including the product.
When this symbol is marked on the product, be sure to consult the
manual to find out the nature of the potential hazards and any actions
which have to be taken to avoid them. (This symbol may also be used
to refer the user to ratings in the manual.)
The following symbols may appear on the product:
vi DPO70000SX Series
Specifications
This chapter contains specifications for the instrument. All specifications are
guaranteed unless noted as "typical." Typical specifications are provided for your
convenience but are not guaranteed. Specifications that are marked with the
symbol are checked in Performance Verification.
All specifications apply to all models unless noted otherwise. To meet
specifications, the following conditions must first be met:
■
The instrument must have been adjusted in an ambient temperature range
between 18 °C and 28 °C.
■
The instrument must be powered from a source that meets the specifications.
■
The instrument must have been operating continuously for twenty minutes
within the specified operating temperature range. (60 minutes continuous
operation required if the ambient relative humidity is greater than 60%.)
■
You must perform the Signal Path Compensation (SPC) operation described
in the user manual and the online help. If the operating temperature changes
by more than 5 °C, you must perform the SPC operation again.
Vertical system analog channels
Number of channels≥50 GHz models: 2+1,
<50 GHz models: Four channels, all identical
Input connector
TekConnect channels:TekConnect. Power supply compatible with VPI.
ATI channel:Male 1.85 mm coax.
Input coupling
TekConnect channels:Two modes: DC, 50 ohms to a programmable termination voltage; Ground.
The termination can be connected to a DC voltage:
≤ 1.2 VFS settings: -3.5 V to 3.5 V,
> 1.2 VFS settings: 0.0 V
ATI channel:DC, 50 Ω.
DPO70000SX Series 1
Specifications Vertical system analog channels (cont.)
Input resistance
≤1.2 VFS settings50 Ω ±3% at 18 to 28 ºC (64 to 82 ºF)
50 Ω ±4% over 5 to 45 ºC (45 to 113 ºF)
>1.2 VFS settings50 Ω ±4.4% over 5 to 45 ºC (45 to 113 ºF)
ATI channel50 Ω ±3% from 18 °C to 28 °C
50 Ω ±4% from 5 °C to 45 °C
Maximum input voltage
TekConnect channels:≤1.2 VFS settings:
±1.5 V relative to the termination bias (30 mA maximum)
±5 V absolute maximum input
>1.2 VFS settings:
±8 V. Limited by maximum Vterm current and the attenuator power rating at maximum
temperature.
ATI channel:±0.75 V
Aux channel:±5.0 V
pk
pk
Input termination voltage (VTerm)
range, TekConnect channels
≤1.2 VFS settings:-3.5 V to +3.5 V
>1.2 VFS settings:0 V
Input VSWR, typicalMeasured with a TekConnect TCA-292D adaptor and a network analyzer.
To determine the amount of performance derating above the temperature limit, use the Typical
Temperature Variation table
1620 mV
3240 mV
FS,
FS
±0.5 dB from DC to 50% of nominal BW
±1.5 dB from 50% to 80% of nominal BW
All other gain settings:
±1.0 dB from DC to 50% of nominal BW
±2.0 dB from 50% to 80% of nominal BW
±0.5 dB from DC to 20 GHz
±0.75 dB from >20 GHz to 30 GHz
±1.25 dB from >30 GHz to 68.5 GHz
±2 dB from >68.5 GHz to 69.5 GHz
+2 / -3 dB at 70 GHz
DPO70000SX Series 5
Specifications Vertical system analog channels (cont.)
TekConnect channel
ATI channel
Typical temperature derating
FrequencyTC, (dB/°C)5 °C45 °C
DC - 5 GHz0.005 dB/°C0.07 -0.09
10 GHz0.010 dB/°C0.13 -0.17
15 GHz0.025 dB/°C0.33 -0.43
20 GHz0.045 dB/°C0.59 -0.77
23 GHz0.10 dB/°C1.30 -1.70
25 GHz0.10 dB/°C1.30 -1.70
30 GHz0.115 dB/°C1.50 -1.96
33 GHz0.160 dB/°C2.08 -2.72
Typical temperature derating
FrequencyTC, (dB/°C)
DC - 5 GHz0.005 dB/°C
DC - 10 GHz0.002 dB/°C
15 GHz0.005 dB/°C
20 GHz0.01 dB/°C
30 GHz0.05 dB/°C
40 GHz0.07 dB/°C
50 GHz0.05 dB/°C
60 GHz0.05 dB/°C
Calculated rise time (typical)
Calculated risetimes for specified instrument bandwidths
Instrument bandwidthBWE OnBWE Off
10% - 90%20% - 80%10% - 90%20% - 80%
70 GHz5.6 ps4.3 psn/an/a
50 GHz7.8 ps6 psn/an/a
33 GHz13 ps9 ps21 ps14 ps
25 GHz16 ps12 ps22 ps15 ps
23 GHZ17 ps13 ps24 ps16 ps
6 DPO70000SX Series
Vertical system analog channels (cont.) Specifications
Step response settling time
(typical)
BWE off
BWE on (fastest BWE setting)
(typical)
The time by which the step response enters and stays below the indicated % error. Step transition
occurs at the 50% amplitude point of the step leading edge.
InstrumentGain setting (FS)Settling Error
AmountTime
DPO77002SX
TekConnect
channels
DPO75902SX
TekConnect
channels
DPO75002SX
TekConnect
channels
DPO73304SX 62.5 mV, 100 mV, 200 mV,
DPO72304SX 62.5 mV, 100 mV, 200 mV,
BWE on (fastest BWE setting) Instrument Gain setting (FS) Settling
Input frequency range (up to the rated bandwidth). Assumes two channels with the same scale and
bandwidth settings. The limits apply up to the bandwidth of the particular instrument.
ATI models
Specified channelsInstrument frequency rangeIsolation
ATI channels (isolation between
any two [or more] ATI channels
in separate units), requires
UltraSync
TekConnect channels in an ATI
unit (isolation between channels
1 and 3)
TekConnect channels to ATI
channel (isolation between
channels 1 and 3 to channel 2)
ATI channel to TekConnect
(non-ATI) channels (isolation
between channel 2 and
channels 1 or 3)
DC to 70 GHz70 dB
DC to 33 GHz60 dB
DC to 4 GHz55 dB
>4 GHz to 10 GHz45 dB
>10 GHz to 20 GHz35 dB
>20 GHz to 30 GHz30 dB
>30 GHz to 33 GHz27 dB
DC to 3 GHz55 dB
>3 GHz to 12 GHz40 dB
>12 GHz to 33 GHz30 dB
>33 to 70 GHz60 dB
TekConnect models (non-ATI)
Specified channelsInstrument frequency rangeIsolation
Isolation between channels 1 or
2 and channels 3 or 4
Isolation between channels
1 and 2, or channels 3 and 4
Measurement categoryThe measuring terminals on this product are not rated for connection to mains or Measurement
Category II, III or IV circuits.
TekConnect interfaceThe instrument TekConnect channels support the TekConnect interface.
DC to 33 GHz60 dB
DC to 2 GHz60 dB
>2 to 10 GHz42 dB
>10 to 20 GHz35 dB
>20 to 33 GHz30 dB
14 DPO70000SX Series
Horizontal and acquisition system
Specifications
Delay between channels, full
bandwidth, equivalent time, BWE
off, without deskew (typical)
Delay between channels, BWE
(typical)
Channel skew stability, UltraSync
(typical)
Real-time sample rate range
Equivalent-time sample rate or
interpolated waveform rate range
Maximum record length, sample
mode
≤ 1 ps between any two channels at any gain setting at 25 °C ±5 °C.
Derate linearly to ≤3 ps at 5 °C and 45 °C
≤ 500 fs between any two channels within the same box at any gain setting at 25 °C ±5 °C prior to
any user adjustment. Manual adjustment available with 10 fs minimum resolution. Derate linearly to
≤ 1.5 ps at 5 °C and 45 °C.
≤ 250 fs
Derate linearly to ≤ 3 ps at 5 °C and 45 °C.
ChannelsSample rate, maximum
TekConnect channelsUp to 100 GS/s
ATI channels200 GS/s only
Equivalent-time acquisition can be enabled or disabled. When disabled, waveforms are interpolated
at the fastest time base settings.
Up to 5 TS/s (waveform interval down to 0.2 ps) in E.T. and 0.2 ps resolution in trigger placement.
The maximum record length depends on the installed record length options. Maximum record
length is less in serial trigger mode, hi-res mode, or when using the FIR filter.
between any two channels between instruments at any gain setting at 25 °C ±5 °C.
RMS
(Standard)
500,000,000 points (all channels), 1 G samples on 1–2 channels at 50 GS/s and 100 GS/s sample
rates or greater (interpolated or equivalent time)
Maximum record length, HiRes
mode
Record length limits
Seconds division rangeFastest sweep speed is 10 ps per division
Specifications Horizontal and acquisition system (cont.)
Time base accuracy±0.8 x 10-6 (within 1st year), ±0.3 x 10-6 aging/year after first year when operated within 23° C ±5°
C after 30 minute warm-up.
Typical: ±0.1 x 10-6 initial accuracy after adjustment.
Timing jitter (aperture uncertainty),
(typical)
Measured at the maximum sample rate.
External Reference Low with ~0 dBm input drive at 10 MHz
TekConnect:
<100 fs rms for record durations less than 10 μs
<120 fs rms for record durations less than 100 μs
<140 fs rms for record durations less than 10 ms
<300 fs rms for record durations less than 10 s
ATI:
<65 fs rms for record durations less than 10 μs
External Reference Hi with ~0 dBm input drive at 10 MHz
TekConnect:
<100 fs rms for record durations less than 2 μs
<500 fs rms for record durations less than 10 s
ATI:
<65 fs rms for record durations less than 10 μs
For external reference in high (tracking) mode, the input reference must be low noise and the edge
slew rate must exceed 1.5 V/ns to achieve the typical jitter results.
Internal Reference
TekConnect:
<100 fs rms for record durations less than 10 μs
<120 fs rms for record durations less than 100 μs
<140 fs rms for record durations less than 5 ms
ATI:
<65 fs rms for record durations less than 10 μs
For internal reference, specification assumes no signal attached to the external reference input.
Jitter noise floor (typical)Applies to time periods as long as 10.0 ns. Typical jitter noise floor is measured at the maximum,
BWE enabled bandwidth:
DPO77002SX<250 fs
DPO75902SX<250 fs
DPO75002SX<250 fs
DPO73304SX<250 fs
DPO72304SX<250 fs
Calculate the jitter noise floor (JNF) for a given instrument setting using the following formula:
16 DPO70000SX Series
Horizontal and acquisition system (cont.) Specifications
N
= typical input-referred noise spec (volts rms)
typ
FN = 1.3 for instrument bandwidth ≤9 GHz; 1.5 for instrument bandwidth ≥10 GHz
SR = slew rate around the measurement
FI = (1.7 x 10–2)/sqrt(2) = 1.2 x 10–2
tr = rise time of the measurement edge
tj = timebase jitter or aperture uncertainty
TBA = timebase accuracy (2 ppm)
2
JNF
The interpolated sample rate of the waveform must be at least 25 times the bandwidth of the signal
being measured.
Acquisition update rate (typical)
DPO models300,000 waveforms per second maximum
RMS
= (N
typ
× FN)2×
(
SR
1
2
2
× t
r
+ t
2
seconds
j
RMS
+ F
)
I
Delta time measurement
accuracy
The formula to calculate the maximum delta-time measurement accuracy (DTAmax) for a given
instrument setting and input signal is given below (assumes insignificant signal content above
Nyquist and insignificant error due to aliasing, overdrive recovery and overdrive interpolation):
N
= typical input-referred noise spec (volts rms)
typ
FN = 1.3 for instrument bandwidth ≤9 GHz; 1.5 for instrument bandwidth ≥10 GHz
SR1 = slew rate around 1st point in measurement (1st edge)
SR2 = slew rate around 2nd point in measurement (2nd edge)
FI = 1.2 × 10–2
tr1 = rise time of first edge
tr2 = rise time of second edge
tj = sample jitter/aperture uncertainty (about 100 fs for time durations less than 10 μs)
Peak-peak based on statistical accumulation of 500 waveforms.
(
2
)
rms
pk-pk
+
(
SR
(
seconds
seconds
1
DTA
MAX
1
=10 × (N
RMS is guaranteed regardless of data-gathering duration.
typ
× FN)
2
DTA
(
SR
1
MAX
)
2
2
2
+ F
)
2
×(t
I
)
2
+ t
)
r1
r2
+ (2 × t
2
)
j
= (N
typ
The term under the square-root sign is the stability and is due to time interval error (TIE).
× FN)
2
(
SR
+
)
1
2
1
2
1
(
SR
2
2
2
×(t
2
+ t
)
r1
r2
+ F
)
I
+ (2 × t
2
)
j
DPO70000SX Series 17
Specifications
Trigger specifications
Trigger jitter DC coupled A edge
(typical)
Edge trigger sensitivity DC
coupled (typical)
10 fs using enhanced trigger placement.
1 ps rms for low frequency, fast rise time signal, A edge, holdoff time = 30 μs
All sources, positive or negative edge.
Trigger SourceSensitivity
A-Event trigger≤ 5%FS from DC to 50 MHz
≤ 7.5%FS at 5 GHz
≤ 10%FS at 10 GHz
≤ 15%FS at 15 GHz
≤ 35%FS at 20 GHz
≤ 50%FS at 25 GHz
B-Event trigger≤ 5%FS from DC to 50 MHz
≤ 7.5%FS at 5 GHz
≤ 10%FS at 10 GHz
≤ 15%FS at 15 GHz
≤ 35%FS at 20GHz
≤ 50%FS at 25 GHz
Auxiliary input100 mVpp from DC to 1 GHz
175 mVpp at 4 GHz
225 mVpp at 8 GHz
450 mVpp at 10 GHz
800 mVpp at 11 GHz
Trigger sensitivity TPC (typical)The minimum signal levels required for stable triggering of a waveform when the hardware is
incapable of doing so (excessive frequency, small input).
Trigger SourceSensitivity
A Event trigger, Ch1 – Ch420%×FS from DC to instrument bandwidth
B Event trigger, Ch1 – Ch420%×FS from DC to instrument bandwidth
18 DPO70000SX Series
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