Advantest Corporation Q8383 Spectrum analyzer
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Optical Spectrum Analyzer
The Q8381A Q8383
/is an optical spectrum Analyzer
decentralized spectrum method
employing diffraction lattice monochrometor. its main
features are given below.
Wide dynamic range
Wide dynamic range in the Q8381A is obtained by an optical
design to suppress an
internal stray light level.
The range of 40 dB in a state 1 nm away from peak wavelength.
The range of 50 dB in a state 5 nm away from peak wavelength.
Wide dynamic range in the Q8383
is obtained by the adoption
The range of 55 dB in a state 0.5 nm away from peak wavelength.
The range of 65 dB in a state 1 nm away from peak wavelength.
High-speed measurement can be done by the adoption of the
high-speed drive system
which controls the rotation of the diffraction lattice.
0.8 seconds or less in 200 nm span.
1.5 seconds or less in 500 nm span.
Puise fight measurement
The Q8381A/G8383 incorporates the AMP system for high-speed
measurement of light
pulse under te s t By synchronizing measurement by the
external TTL signal, more stable
spectrum can be obtained.
Easy operation and abundant functions
Various aspects have been taken into consideration to make
The panel key arrangement, softkey menus and basic key
functions can be specified in
the first hierarchy.
They include four types of spectral width measurement
functions, power monitor function,
cursor function, and various display (3-dimensional data,
dual screen, and super-impose).
Built-in high-speed printer
Measurement data can be easily output using a high-speed
thermal printer having a
printing speed of less than 8 seconds.
Enhanced memory function
3.5 inch floppy disks in accordance with MS-DOS* form at in
addition to 32 data memories
(battery backup) are equipped normally.
The measurement data by an outside computer can be easily
8.63 Mbytes (9050703 Bytes)
01 January 1997
Scanned document, all readable.
10 August 2016
This manual consists of ten chapters and two appendixes.
If you are about to use the Q8381A Q8383
/for the first time,
you should not skip any of the
W hen you come across an unknown term, refer to the glossary
at the end of the
Those who have used the G8381A Q8383
/more than once or who
are familiar with optical
spectrum analyzers should have no difficulty finding the
appropriate section or paragraph.
1. General Be sure to read this chapter before using the
Chapter 1 explains the outline of the Q8381A/Q8383, precautions
when using it and the procedure before starting measurement.
2. Panels Chapter 2 provides brief information on the panel
along with the names and functions of switches.
3. Basic operation Chapter 3 explains the preparations for
starting measurement up
to data o u tp u t Those using the G8381A/G8383 for the
should become familiar with the outline of the operation.
operation Chapter 4 explains the seven panel sections,
function .and operation of each one.
5. Key functions Chapter 5 briefly explains the softkey
6. GP-IB Interface
Chapter 6 explains the program code and
data output format
when the G8381A/G8383 is controlled via the GP-iB Interface
giving some program examples.
7. How to use
floppy disk Chapter 7 explains handling the floppy disk and
data by the computer.
8. Examples of
measurement Chapter 8 offers some typicai measurement
examples using the
9. Principle of
operation Chapter 9 shows the internal blocks and briefly
10. Specifications Chapter 10 lists the specifications of
Appendix 1, 2 Lists of the softkey menus and glossary of
technical terms are
explained. Refer to this as required.
External view External dimensions are shown on the drawings.
the front and rear panels are enlarged.