Gentec-eo T-Rad (DB-15) User Manual

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 1

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 10 If we multiply the two signals, we get If we set B to unity and hold it constant

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 11 If we square these and add them together we obtain: Now taking the square root g

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 12 The reference signal supplied by the lock in signal has peak amplitude of 1V and a

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 13 Figure 4 shows the output using a 100ms time constant. Note that the ripple is stil

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 14 1.2.3 Frequency Domain Description of a Lock In Amplifier. Figure 6 shows the f

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 15 Figure 8 Phase Specific Detector Output Signal The multiplier action moves the

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 16 VER Queries the Firmware Version. No arguments are used. Example. Send: verCRLF

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 17 Example Send zroCRLF Reply 27,2350,2048CRLF The values used are for example only.

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 18 Scale Index Range 2fW 00 2 femptowatt 20fW 01 20 femptowatts 200fW 02 200 femptow

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 19 The External Trigger Input is the connection for the reference chopping frequen

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 2 WARRANTY The Gentec-EO T-RAD THz Radiometer carries a one-year warranty (f

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 20 1.7 Using the Applications Software 1.7.1 The Main Display Panel The Main Displ

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 21 1.7.3 Digital Controls The Controls on the Digital Display area are: Data Collect

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 22 1.7.10 Reset The Reset button resets the current data set in all collection modes.

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 23 1.7.17 Rv Responsivity in V/W of the sensor for the selected Range. 1.7.18 Wavele

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 24 1.8 The Strip Chart Display The Strip Chart Display is visible to the user when i

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 25 Min and Max Tracking Cursors can be set using the Display Options Menu. 1.9 The S

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 26 1.9.5 Max The maximum value of the current data set. Resets with the Reset</B&g

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 27 1.10 The Tuning Needles Display The Tuning Needles Display is visible to the user

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 28 1.10.1 Tuning Needles Controls The Controls on the Tuning Needles area are: Tuning

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 29 1.11 The Setup Display The Setup Display is visible to the user when its tab is s

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 3 TABLE OF CONTENTS 1.1 GENERAL INFORMATION...

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 30 For complete details on the use of these factors please contact the factory. 1.11.

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 31 1.11.11 Update Firmware Calls a VI that allows you to update the T-RAD firmware us

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 32 1.11.12 Setup Indicators The Indicators on the Setup area are: Wavelength Factor T

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 33 1.11.21 The "File" Menu The File menu is used to open, close, and view da

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 34 1.12 The Display Menu The Display menu is used to modify the characteristics of the

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 35 1.14 The Help Menu The Help menu is used to display help for the Application. The m

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 36 1.16 DECLARATION OF CONFORMITY Application of Council Directive(s): 2004/108/EC

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 37

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 4 1.7.14 Time Interval (s) ...

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 5 1.10 The Tuning Needles Display ...

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 6 1.11.17 T-RAD Calibration date ...

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 7 LIST OF ILLUSTRATIONS Fig. 1 Input signal...

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 8 1.1 GENERAL INFORMATION 1.1.1 System Overview Welcome to the T-RAD Applicatio

T-RAD-DB15--USB Instruction Manual Version 2.1 December. 2012 9 Data Displays Real time, Strip chart, Tuning, Statistics User input correction fac