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Advantest Corporation Q8347 Spectrum analyzer
Manufacturer:
Model:
Q8347
Date:
1994
Class:
Type:
SubType:
Optical Spectrum Analyzer

Information

The Q8347 is an optical spectrum Analyzer employing a Michelson interferometer. Its main features are given below. Features • High-resolution wavelength measurement The Analyzer measures wavelength with high resolution of 0.01 nm at 1.5/^m band and 0.001 nm at 0.5/дп band. Therefore, the Analyzer can analyze the devices used for multi-mode light or wavelength division multiplexing that cannot be dissolve heretofore. • Coherent length can be measured. The coherent length which cannot be measured by dispersion spectroscopy using a grating can be measured by the Q8347 using the interference method. Therefore, the Q8347 can easily determine the noise suppression performance of the CD/VD laser diode due to the • reflected light. The analysis range is as wide as ± 165mm. High-speed measurement As the Analyzer employs Fourier spectroscopy using an interferometer, high-speed measurement is realized. Even when the GP!B is used in system, the entire procedure from the measurement start trigger to data output can be carried out in 2.5 seconds (in the high-resolution mode) or in 1.0 second (in the normakesoiution mode). (In this case, the wavelength range is the long wavelength.) • ±0.01nm wavelength measurement accuracy As a He-Ne laser is used as the internal reference light source, a high wavelength accuracy of 0.01 nm is realized. Wavelength calibration is not required. • Easy operation Various aspects have been taken into consideration to make measurement easier. The panel key arrangement, Softkey menus and basic key functions can be specified in the first hierarchy. The Q8347 has a built-in Level Meter which greatly facilitates adjustment of the • measurement light coupling. Zoom function The measurement data can be analyzed again and displayed with the zoom function. Data can be displayed from wide to narrow span without repeating measurement. • Various processing functions Various processing functions are available. They include four types of FWHM (full width half maximum) measurement function, an automatic peak search function, four types of cursor indication modes, a peak value listing function and 16 data memory areas. • 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.

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User Manual
Manual type:
User Manual
Pages:
299
Size:
9.19 Mbytes (9638872 Bytes)
Language:
english
Revision:
Manual-ID:
FOE-8324212G02
Date:
20 March 1994
Quality:
Scanned document, all readable.
Upload date:
10 August 2016
MD5:
c5ed7a007d666e6d7822294ae7598481
Downloads:
284

Information

1. G E N E R A L ... .. 1-1 1.1 Outline of the Analyzer ... 1.2 Before Using the Analyzer ... ... .. 1.2.1 Checking the External and Accessories ... 1.2.2 Environment and Precautions ... .. 1.2.3 Power Source and Fuse ... .. 1.2.4 Expendables ... ... ... 1.2.5 Setup ... ... ... .. 1.2.6 Damage to Circuit Element Due to Power Line CMV Loop . ... . 1.2.7 Colored Liquid Crystal Display ... ... 1.2.8 Cleaning the Input Optical Connector ... 1.2.9 Operation when Power is Turned ON ... ... 1.2.10 Setting the Print Paper ... 1.2.11 Cleaning, Storage and Transportation ... 2. P A N E L S ... ... ... 2-1 2.1 Front Panel ... ... ... 2.2 Rear Panel ... 2-1 2-9 3. B A S IC O P E R A T IO N < For those using the Analyzer for the first time > . 3-1 3.1 Functions ... ... 3.2 Entering the Light to be Measured ... .. 3.3 Reading the LCD Display ... 3.4 Basic Operation Procedure ... .. 3.5 Setting the Measurement Conditions ... ... 3.6 Setting the Display Conditions ... .. 3.7 Measurement and Data Output ... ... .. 3.8 Analyzing the Measurement Data ... ... 3.9 Measurement Data Memory ... ... 3.10 Operating Precautions (wavelength resolution/sensitivity) ... 3-1 4. P A N E L O P E R A T IO N ... ... .. 4.1 FUNCTION S e c tio n ... ... 4.1.1 CENTER key ... 4.1.2 SPAN key ... 4.1.3 REF LEVEL key ... 4.1.4 LEVEL SCALE key ... 4.1.5 MODE key ... 4.1.6 AVERAGE key ... 4.1.7 ZOOM key ... 4.1.8 AUTO key ... 4.2 CURSOR Section ... 4.2.1 Cursor control ... 4.2.2 Rotry knob ... 4.3 DATA Section ... ... 4.3.1 Numeric keys, Arrow keys ... 4.3.2 Setting the Label ... 4.4 MEASURE Section ... 4.4.1 SINGLE k e y ... 4.4.2 REPEAT key ... 4.4.3 STOP key ... 4.5 DISPLAY Section ... 4.5.1 CONTROL k e y ... ... 4.5.2 SAVE key, RECALL key ... 4.5.3 NORMALIZE (LOSS/TRANS) key ... 4.5.4 SPECTRAL WIDTH key ... 4.5.5 ADVANCE key ... 4.6 DATA OUT Section ... 4.6.1 DEVICE k e y ... 4.6.2 COPY key ... 4.6.3 FEED key ... 4.7 GPIB Section ... ... 4.7.1 LOCAL (ADDRESS) key ... .. 4.7.2 Status L a m p s ... 4.8 Other Keys ... 4.8.1 INSTR PRESET key ... 4.8.2 CAL key ... 5. E X P L A N A T IO N O N F U N C T ION ... 5-1 5.1 List of Softkey Menus ... 5.2 Key Function and Corresponding Softkey Menus ... 5.2.1 FUNCTION Section ... 5.2.2 CURSOR Section ... 5.2.3 DATA Section ... 5-1 5.2.4 5.2.5 5.2.6 5.2.7 DISPLAY Section ... .. DATA OUT Section ... .. GPIB Section ... ... Others ... 6. G P IB IN T E R F A C E ... .. 6.1 General ... ... ... .. 6.2 Specifications ... ... 6.2.1 GPIB Specifications ... 6.2.2 Interface Function ... ... 6.3 GPIB Handling ... 6.3.1 Connecting Other Device ... ... 6.3.2 Program Code (Listener format) ... ... 6.3.3 Talker Format (Data output format) ... 6.3.4 Service Request ... ... 6.3.5 Device Trigger Function ... ... 6.3.6 Device Clear Function ... ... 6.3.7 Status Modification by Command ... ... 6.3.8 Sample Program ... 7. F L O P P Y D IS K ... ... ... 7-1 7.1 Handling the Floppy Disk . ... ... 7.1.1 Overview ... ... 7.1.2 Initialization (formatting) ... ... ... 7.1.3 Write Protect ... ... 7.1.4 Inserting/Ejecting the Floppy Disk ... 7.2 Restoring Data from Floppy Disk ... ... .. 7.2.1 Types of Data in the Floppy Disk ... ... ... .. 7.2.2 Data File item ... ... 7.2.3 Example of Floppy Data Restore Program ... .. 7-1 8. E X A M P L E S O F M E A S U R E M E N T ... . ... 8-1 8-4 9. PRINCIPLE OF OPERATION ... 9.1 Explanation of the Operation Principle 9-1 ... 9-1 10. SPECIFICATIONS ... 10-1 APPENDIX ... . ... A-1 A-1 Explanation of Technical Terms ... ... A-1 ALPHABETICAL INDEX ... 1-1 Q8347 EXTERNAL VIEW ... Q8347 FRONT VIEW ... Q8347 REAR VIEW ... EXT1 EXT2 EXT3

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