¸SMJ100A Vector Signal Generator
Versatility in signal generation
Version
Version
01.01
01.00
May
November
2007
2004
2 ¸SMJ100A Vector Signal Generator
The multipurpose signal generator
The ¸SMJ100A meets all challenges
that diverse applications place on modern
vector signal generators. For example, it
offers the signal quality and flexibility required in research and development – not
to mention a convenient graphical user
interface (GUI). And this is by no means
all the ¸SMJ100A has to offer – a
fact that becomes evident in production,
where it excels with its flexible baseband
and low setting times. The baseband
meets all requirements, from providing
1)
CDMA 2000 is a r egistere d trademark of the Telecommunications Indus try Ass ociation ( TIA - USA ).
realtime signals to replaying precalculated waveforms.
Equipped with a 3 GHz or 6 GHz
frequency option, the ¸SMJ100A
covers all important frequency bands
essential in digital RF transmission.
The internal baseband generator option handles a multitude of digital
standards, e.g. GSM/EDGE, 3GPP FDD
and CDMA2000® 1). Its characteristics
make the ¸SMJ100A the ideal
multipurpose vector signal generator,
supporting a wide variety of applications.
To handle future standards, the
¸SMJ100A features a large bandwidth; thus, new standards such as
WiMAX pose no problem. The internal
arbitrary waveform generator is proof
of its versatility. It offers sequences
up to 64 Msamples in length and can
be used with diverse signals from
¸WinIQSIM™ or Matlab.
High signal quality
I/Q modulator with 200 MHz RF band-
width
Low SSB phase noise of typ. –133 dBc
(20 kHz carrier offset, f = 1 GHz, 1 Hz
measurement bandwidth)
Wideband noise of typ. –153 dBc
(>5 MHz carrier offset, f = 1 GHz,
1 Hz measurement bandwidth)
Excellent ACLR performance of typ.
+69 dB for 3GPP FDD (test model 1,
64 DPCHs)
High-stability reference oscillator as
standard
High level repeatability
Ideal for production
Very short frequency and level set-
ting times (<5 ms); only 450 µs in List
mode for frequency changes
Electronic attenuator up to 6 GHz over
the entire level range from –145 dBm
to +13 dBm
Internal baseband versatility
Four code channels in realtime for
3GPP FDD
Different modulation in each slot for
GSM/EDGE
Baseband generator with realtime
signal generation
Arbitrary waveform generator with up
to 64 Msamples
Signals up to 80 MHz bandwidth if
the internal baseband generator is
used
Arbitrary waveform generator sup-
ported by Simulation Software
¸WinIQSIM™
Internal 30 Gbyte hard disk provided
as standard for storing waveforms
and modulation data
Ease of use
Color display with 800 × 600 pixels
(SVGA format)
Intuitive user interface with graphical
display of signal flow (block diagram)
Graphical display of baseband signal
through built-in transients recorder
Context-sensitive Help system
Tooltips for all edit fields
Connectivity
Remote control via GPIB and LAN
USB connectors for keyboard, mouse
and memory stick
User-selectable trigger and marker
signals
¸SMJ100A Vector Signal Generator 3
4 ¸SMJ100A Vector Signal Generator
Easy operation ...
Turn
Click
To permit intuitive operation, the
¸SMJ100A is equipped with a large
color display that provides an innovative GUI. The signal flow within the
instrument is displayed in a block diagram, with each block representing a
functional unit such as RF or baseband.
The individual functions and settings are
thus clearly assigned. All active components are highlighted in color, providing
a quick and effective overview.
The rotary knob plays a key role in
¸SMJ100A operation. It provides
a quick means of navigating in the
block diagram or in various menus and
selecting parameters by using just one
hand. Of course, hardkeys that speed up
operation are available for basic functions such as setting frequency and level.
Block diagram of the ¸SMJ100A
A window structure – like offered by
today’s computer operating systems
– is the natural evolution of the GUI.
This structure allows several different
menus to be open at the same time, so
that switching between them is possible
by using the Winbar. This structure is
yet another element that contributes to
swift and easy ¸SMJ100A operation.
Rotary knob for menu navigation
¸SMJ100A softkeys and hardkeys for windows management
A context-sensitive Help function supports intuitive menus. The
¸SMJ100A Help function is particularly useful if you need information
about the parameters available within
the different standards.
Each edit window offers a tooltip function that specifies the setting range of
the selected parameter. If more detailed
information is required, the Help function comes in handy. It not only provides
background information about various
parameters, but also supports the programming of an automatic test setup
with remote-control commands. The
Help function also provides links to related topics.
Last but not least, the Help function
includes the entire operating manual.
When software updates are installed,
the documentation will automatically be
updated as well.
Tooltip indicating the permissible frequency setting range
Context-sensitive Help system
The ¸SMJ100A comes equipped
with an internal graphics block, which is
based on an internal transients recorder
that analyzes the signals in the baseband chain. The graphics block provides
various displays such as spectrum,
I/Q and CCDF. This allows the signal to
be quickly and easily checked without
switching the signal generator directly to
the analyzer.
Graphics block with constellation, CCDF and I/Q diagrams
¸SMJ100A Vector Signal Generator 5
Loading...