Rohde & Schwarz SMBV100B User manual

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Version 01.00
ROHDE & SCHWARZ
HEALTH GUIDE
For signal generators
For further information on the topics below
►please consult the safety instructions and
►the user manual for your instrument

2Rohde & Schwarz Health guide for signal generators 3
PREVENTING ELECTRICAL DAMAGE
DO NOT:
►Consult the operating manual or data
sheet for further information before using
any input or output.
► Ensure proper impedance matching between
any instrument port and the DUT before acti-
vating an RF output. Mismatch between
instrument ports and the DUT will lead to
 signalreections.These,inturn,canleadto
 overload,whichmaycausedamagetothe
instrument.
►Observe ESD precautions: Use a wrist strap
 andcordtogroundyourself,oruseaconduc-
tive floor mat and heel ground strap combina-
tion when you connect or disconnect a DUT
or test fixture to the instrument’s test ports.
Install ESD protective covers after each use
of the instrument’s ports.
►Protect the RF ports from direct current.
Applicable limits are specified in the data
sheet (see “Maximum permissible DC volt-
age”).
►Verify the signal power of an external gener-
ator before applying it to the instrument’s in-
puts. The displayed and actual output power
of the external signal generator may differ
depending on the connected load.
►Consult the data sheet on the permissible
characteristics of the instrument’s power
supply. Always use a power supply with a
connection to ground.
►Ensure proper airflow by providing a mini-
mum distance of 10 cm from other objects
and externally cleaning the fans at regular
intervals.
►Ensure that the ambient temperature is within
the range specified in the data sheet.
►Operatetheinstrumentoutsidespecica-
tions. Warning signs are strategically placed
at sensitive connectors.
►Overload the signal outputs by exceeding the
reverse power limit. The reverse power limit is
 speciedinthedatasheet.
►Damage the instrument’s earth grounding
 protectionbyusinganextensioncable,
power cable or autotransformer without a
protective ground conductor.
►Directly connect a DC supply to an RF
 output.Instead,useabiasteeforboth
biasing your DUT and supplying it with
the RF signal.
►Exceedinputsignallimitsspeciedinthe
data sheet. Even connected USB devices
with an external power supply can feed back
current into the 5 V pin of the USB port.
►Use any AC power cable other than that
delivered with the instrument. Other cables
may be of poorer quality and could result
in damage to the instrument.
►Stack too many instruments. Instruments
placed on top take in the hot air of lower
 ones,resultinginhigherambienttemperature
and potential overheating.
►Operate the instrument in case it shows signs
of condensation. Condensation is the result
 ofrapidtemperaturechanges,forexample
during transport or power-up.
DO:
VDC
+ –
< 0.5 W
0 V REV
∆T
t
Pin
max
–max
PREVENTING MECHANICAL DAMAGE
►Take preventive measures in case of a
 suboptimaloperatingsite,forexampleby
providing extra shielding for your instruments.
►Clean and inspect each connector prior to its
use. Make sure to align the connectors on the
cable and on the instrument along a common
axis before tightening. Turn the outer connec-
 tornut,notthecableitself.Useacalibrated
torque wrench to tighten the connector with
the specified torque.
►Make sure to prevent sharp bending of
cables. Sharp bends lead to reflections and
possibly to permanent cable damage. Rather
use a cable with the appropriate length.
►Look for dirt and outer and inner conductor
damage before using any cable. In case of
 dirt,applycompressedairtodislodgelarger
debris. Make use of isopropanol moistened
foam cleaning swabs or wooden cocktail
sticks to remove the remaining dirt. Dry the
connector using compressed air.
►Use your fingers or a stylus pen when
 touchingthescreen.Useasoft,dry,lint-free
dust cloth for cleaning.
►Use both handles on the front or side of the
casing for lifting or carrying the instrument.
►Fold the feet in or out completely to ensure
stability of the instrument. The feet can col-
lapse if they are not folded out completely
or if the instrument is shifted while the feet
are folded out.
►Use the original packaging for transportation.
It is specifically designed to prevent mechani-
cal damage and to provide ESD protection.
►Operate the instrument in a wet or polluted
environment or expose it to high electromag-
 neticinterference,astheseconditionscan
lead to premature aging or cause damage to
the instrument.
►Tightencablesexcessively,asthiscancause
damage to the cable or the connector. In con-
 trast,insufficienttighteningcanleadtoinac-
curate measurement results. Make sure not
to mix incompatible connector systems.
►Repeatedlybendcables,asthiswillincrease
wear.
►Blowdirectlyattheinnerconductor,asthe
applied pressure could bend the conductor.
►Usecleaningagents,asthereisariskof
damage to the screen. Never touch the
screen with ballpoint pens or other sharp
objects.
►Applyexcessiveforcetothehandles,for
example by carrying the instrument using
only one handle.
►Exceed the maximum force or load on the
 instrument,withorwithoutfolded-outfeet.
Applicable limits are specified in the user
manual.
►Leaveheadroominthetransportbox,asthis
means loose cargo and potential damage.
 Neverusestyrenepelletsforpackaging,as
they do not provide proper cushioning.
DO NOT:DO:
Fmax

3608.6777.32 01.00 PDP 1 en
R&S® is a registered trademark of Rohde & Schwarz GmbH&Co. KG
Trade names are trademarks of the owners
PD 3608.6777.32 | Version 01.00 | July 2020 (nk)
Rohde & Schwarz Health Guide for Signal Generators
Data without tolerance limits is not binding | Subject to change
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