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Aim-TTI TGR2050 Series, Инструкция по эксплуатации

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11 - Digital modulation (Option UO1) 

 

Encoding method 

   

 

41    

 

 TGR2050 Series Instruction Manual 

Encoding method 

Encoding is available for 3FSK and 4FSK.  
Encoding is unavailable for ASK, OOK, FSK, MSK, GMSK, GFSK, HMSK and PSK as 

these are 1-bit modulations. The current state of the modulated waveform output 

depends on the state of the current single bit, for example, with FSK as the selected 

modulation type: 
[Fcentre is the centre frequency and Fdev is the user defined frequency deviation] 
If the current modulation signal level is at logic high, the output frequency would be: 
F Fdev 
 
If the current modulation signal is at logic low, the output frequency would be:  
Fcentre  - Fdev  

 

4FSK use 2-bit modulations to determine the output frequency. 
 
For 3FSK, the output frequency will be: 
Fcentre, F Fdev, Fcentre  - Fdev 
 
The current bit and the state of the previous bit determines the output frequency. 
3FSK is also sometimes known as ‘modified duo-binary FSK’ as modified duo-binary 

algorithm is used to determine the output frequency. 
 
For 4FSK, the output frequency will be: 
F Fdev, F 3Fdev, Fcentre  - Fdev, Fcentre  - 3Fdev 
 
The encoding method options for 4FSK are Binary or Gray-code. 
 

Binary 

Gray-code 

Symbols 

Output frequency  

Symbols 

Output frequency  

00 

Fcentre  - 3Fdev 

00 

Fcentre  - 3Fdev 

01 

Fcentre  - Fdev 

01 

Fcentre  - Fdev 

10 

F Fdev 

11 

F 3Fdev 

11 

F 3Fdev 

10 

F Fdev 

 

To set the encoding method for 4FSK, select the 

Encoding Method

 parameter 

window. Select the required method and touch 

OK

. 

Содержание TGR2050 Series

Страница 1: ...INSTRUCTION MANUAL EN TGR2050 SERIES 1 5GHz 3GHz RF Signal Generators ...

Страница 2: ...quirements 7 Mains operating voltage 7 Mains lead 7 4 Front Panel 8 Overview 8 5 Rear Panel 10 Connections overview 10 6 Maintenance 12 Cleaning 12 7 Getting Started 13 Using this manual 13 Switching on 13 Screen Layout 14 Status bar details 15 8 Navigation Controls 16 Overview 16 Touch Screen Principles 17 Rotary knob principles 20 Information and error messages 25 ...

Страница 3: ...tion Option UO1 33 Overview 33 Modulation type 35 Modulation deviation depth 36 Modulation source 37 Internal bitrate 37 Modulation triggering mode 37 Modulation and Sync outputs 38 Filtering 40 Encoding method 41 Encoding sync 42 Modulation Triggering 43 Modulation pattern generator 45 12 Sweep 47 Overview 47 Step sweep 48 General sweep settings 50 Sweep triggering 52 List sweep 54 13 Utility men...

Страница 4: ...Overview 79 Copying files 80 Deleting files 82 Renaming files 83 File handling 84 15 Remote operation 85 Overview 85 16 Appendix 1 86 Default Parameters 86 17 Specification 92 Frequency 92 Analog Modulation 93 Digital Modulation 94 Frequency and Amplitude Sweep 96 Trigger Input 97 Remote Control Interfaces 97 USB Host Interface 97 Option TGR U01 97 General 97 ...

Страница 5: ...re the safety of the user and the instrument all information must be read before proceeding WARNING Indicates a hazard that if not avoided could result in injury or death CAUTION Indicates a hazard that could damage the product that may result in loss of important data or invalidation of the warranty NOTE Indicates a helpful tip EXAMPLE Indicates an example to show further details Terminal connect...

Страница 6: ...pair of the opened instrument under voltage must be avoided When connected terminals may be live and opening the covers or removal of parts except those that can be accessed by hand may expose live parts To avoid electric shock or damage to the instrument never allow water to get inside the case If the instrument is clearly defective has been subject to mechanical damage excessive moisture or chem...

Страница 7: ... details on how to remove the protective bezel and handle Ventilation The instrument uses a fan fitted to the rear panel Take care not to restrict the rear air exit or the inlet vents at the front sides and underneath In rack mounted situations allow adequate space around the instrument and or use a fan tray for forced cooling Handle stand The instrument is fitted with a 4 position handle stand Pu...

Страница 8: ...cket a suitably rated and approved mains lead set should be used which is fitted with the required wall plug and an IEC60320 C13 connector for the instrument end To determine the minimum current rating of the lead set for the intended AC supply refer to the power rating information on the equipment or in the Specification WARNING THIS INSTRUMENT MUST BE EARTHED Any interruption of the mains earth ...

Страница 9: ...he touch screen Standby button Illuminated when in standby Press and hold to turn instrument on quick press to turn off Parameter keys FREQ frequency and AMP amplitude select the requested parameter for editing These keys also return to the home screen Mode keys MOD modulation or SWEEP menus they become illuminated only when the mode is activated ie modulation is ENABLED or sweep is RUN Menu keys ...

Страница 10: ...t is good practice to fit a male to female adaptor to the socket which can be replaced periodically CAUTION Do not apply external voltages to the RF output port RF output key The OUTPUT key switches the RF Output Port on or off The key becomes illuminated when the output is on Escape Key Local Entry can be abandoned at any point by pressing the escape key this key will also exit the selection or s...

Страница 11: ...y external voltages to this output External reference in External Reference In 10MHz 2 5Vpp from 50Ω CAUTION Do not apply external voltages exceeding 5Vpp to this socket Sync out Automatically selected to be either Modulation Sync or Sweep Sync Output impedance 50Ω nominal Logic levels of 0 8V 3V unloaded SYNC will withstand a short circuit to ground CAUTION Do not apply external voltages to this ...

Страница 12: ...pled 150Ω source impedance logic levels of 0 8V 3V unloaded CAUTION Do not apply external voltages exceeding 10V to this socket LAN The LAN interface is designed to meet the LXI standard version 1 5 LXI Device Specification 2016 Remote control using the LAN interface is possible using the TCP IP Socket protocol USB The USB port accepts a standard USB cable If the USB driver has been installed from...

Страница 13: ...lled personnel in conjunction with the service guide which may be obtained directly from the Manufacturers or their agents overseas Refer to TGR2050 Series Service Manual for details on Calibration Cleaning If the instrument requires cleaning use a cloth that is only lightly dampened with water or a mild detergent WARNING To avoid electric shock or damage to the instrument never allow water to get...

Страница 14: ...nstructions on how to use the instrument via alternative methods it is recommended that this is read first and is available to download from www aimtti com support A separate programming manual is also available to download from www aimtti com support Switching on Connect the instrument to an AC supply using the mains lead provided Press the standby button for 1 2 seconds to turn on at power up th...

Страница 15: ...dow Displays the current frequency amplitude settings and units 3 Menu status Navigation bar Indicates the menu location and mode status 4 Information window Displays instrument setting information 5 Button Performs an action immediately when pressed 6 Parameter window Activates a pop up containing multiple options 7 Multiple page icon Appears when more pages are available in the current menu 8 Ho...

Страница 16: ...s being captured PRT SCRN will appear in the status bar For more details on print screen see Print Screen Remote status When the instrument is under remote control via any interface REM will be displayed USB When a USB connection is detected the USB icon will become activated LAN The LAN field in the Status Line can show multiple status indications There is no LAN connection for example no cable c...

Страница 17: ...nation of them all Many settings can be made more quickly and easily using the touch screen alone the rotary knob is most useful when for example a parameter is being frequently varied during manual testing see Rotary knob principles section Both buttons and parameter windows are described in this manual A button will directly select or apply the action parameter windows will give a range of optio...

Страница 18: ...nd yellow text In this state direct keyboard entry is possible for numerical parameters Alternatively a second touch of the parameter window will allow onscreen editing as follows Touch again to edit section one of the following types of menu screen will appear Sub menu screen The sub menu screens offer a variety of options as buttons touch the required option and then touch OK which implements th...

Страница 19: ...ouch the required unit to make the selection ensure that the numeric value has been added and touch OK to implement the selection If no alternative units are available the pop up will contain only the numeric keypad Text input screen A full touch QWERTY keyboard is available to input text where necessary In places where spaces and full stops are not permitted e g file names the keys will be greyed...

Страница 20: ...ttom right hand corner of the screen If there are more than one page of options in the menu a Page button will be available and will appear in the navigation bar It is also possible to navigate through the menus using a swipe action simply swipe the screen in the required direction screens can be moved to the left or right The button returns to the home screen ...

Страница 21: ...e the knob or keys to select the required parameter window The selection will flow from top to bottom left to right when the knob is turned clockwise and bottom to top right to left when turned anti clockwise the currently selected window will be blue with a yellow surround and yellow text Press the knob to edit the parameter the window will change to an active state black background with white te...

Страница 22: ...ault use the knob or to navigate to the required parameter window the currently selected window will be blue with a yellow surround and yellow text Press the knob again to edit the number the window will change to an active state black background with white text Use the keys to navigate between digits followed by the knob or arrow to increase or decrease the value The digit selected will determine...

Страница 23: ...urround and yellow text Press the knob again to edit the number the window will change to an active state black background with white text Use the keys to navigate between digits followed by the knob or arrow to increase or decrease the value The digit selected will determine the incremental step to be used In 3 state mode numeric fields can be edited using only the knob Use the knob to select the...

Страница 24: ...Y keyboard is available to input text where necessary In places where Spaces and full stops are not permitted e g file names the keys will be greyed out and unavailable To input text simply turn the knob to highlight the required letter number and press to select the letter number The arrow key on the front panel deletes the previous character when in the keyboard screen alternatively the backspac...

Страница 25: ...e menu navigation keys are found in the bottom right hand corner of the screen If there is more than one page of option in that menu a Page button will be available and will appear in the navigation bar To move to the next page highlight the Page button and press the knob The button returns to the home screen ...

Страница 26: ...being taken for example Please wait the current settings are being saved An information message will remain on screen until the action is carried out Error messages Error messages are shown on the display until an OK or ESCAPE key is pressed The last error message can be viewed again in the UTILITY menu see Last displayed message for more details Each error message is accompanied by a beep The bee...

Страница 27: ...ignal press the RF ON key on the front panel The key will become illuminated once activated The frequency and amplitude of the signal is shown in the RF output display The displayed signal will be available from the RF OUT connection on the front panel Live adjustments can be made using the knob and cursor keys see Rotary knob principles for more details ...

Страница 28: ...n it is set in linear units Similarly a step size set in uV or mV can be used to adjust the output amplitude even when it is set in dBm or dBuV To set the step size first open the utility menu by pressing UTILITY and select Instrument Select the Freq Step Size Ampl Step Size parameter window enter the required step size and touch OK Return to the home screen by pressing either the FREQ or AMP key ...

Страница 29: ...ssibility of fractional spurs Notably integer boundary spurs are eliminated which in fractional synthesiser mode can occur up to a few kHz away from the output carrier depending on frequency setting In Low Spur mode the frequency resolution is limited to 1MHz To activate low spur mode firstly open the utility menu by pressing UTILITY and select Instrument Select the Low Spur Mode parameter window ...

Страница 30: ...rs Additional low level spurs will exist at 25MHz and 50MHz offsets from the carrier when modulation is active If these are significant in a particular application they can be minimised using the IQ TRIM facility for more details see IQ Trim This instrument can apply thirteen types of modulation Analog modulation AM Amplitude Modulation FM Frequency Modulation PM Phase Modulation Digital modulatio...

Страница 31: ...rently selected modulation type indicated in the Type parameter window the MOD key will become illuminated when the modulation is activated The modulation menu contains all the editable fields for setting and activating modulation NOTE Modulation cannot be enabled if a sweep is running Analog modulation types available Amplitude modulation AM Frequency modulation FM Phase modulation PM ...

Страница 32: ...be set in Hz To set the deviation select the Deviation parameter window enter the required deviation value the value can be entered in mHz Hz kHz or MHz and touch OK When PM is selected as the modulation type the deviation will be set in radians rad To set the deviation select the Deviation parameter window enter the required deviation value and touch OK Modulation source To set the modulation sou...

Страница 33: ...ce will be available at the MOD IN OUT connection on the rear panel The output modulation signal amplitude is fixed at 1Vpp Sync out To activate the sync output select the Sync Out parameter window select ON and touch OK Activating the sync output will output a 3 3V logic level signal that is a square waveform with 50 duty cycle at the modulation frequency from the SYNC OUT connection on the rear ...

Страница 34: ...he Enable key applies the currently selected modulation type indicated in the Type parameter window The MOD key will become illuminated when the modulation is activated The modulation menu contains all the editable fields for setting and activating modulation Digital modulation settings are constructed across up to four pages General setup options are shown with the selected modulation type in the...

Страница 35: ...11 Digital modulation Option UO1 Overview 34 TGR2050 Series Instruction Manual Triggering options on the Trigger page User Pattern Generator on the User Pattern page ...

Страница 36: ...he digital options are ASK Amplitude Shift Keying OOK On Off Keying FSK 2 Level Frequency Shift Keying or 2FSK 3FSK 3 Level Frequency Shift Keying 4FSK 4 Level Frequency Shift Keying GFSK Gaussian Frequency Shift Keying MSK Minimum Shift Keying GMSK Gaussian Minimum Shift Keying HMSK Half Sine Minimum Shift Keying PSK 2 Level Phase Shift Keying or BPSK ...

Страница 37: ... is edited while enabled Although the rate of drift is very slow reset the level frequency or any other parameter when best level accuracy is required When FSK 3FSK 4FSK or GFSK is selected as the modulation type the deviation will be set in Hz To set the deviation select the Deviation parameter window enter the required deviation value the value can be entered in mHz Hz kHz or MHz and touch OK MS...

Страница 38: ...if selected no further options will be available If MSK GMSK HMSK or GFSK are selected the modulation type an external source cannot be applied When the source is external the bit rate is unknown therefore deviation cannot be automatically set to 0 25 x bit rate Internal bitrate To set the internal modulation bit rate select the Int Bitrate parameter window Enter the required bit rate value the bi...

Страница 39: ...T The digital signal is encoded and filtered before being used as the modulation source ASK OOK MSK or PSK When selected as the modulation type the options will be On or Off To activate the modulation output select the Mod Out parameter window select On and touch OK Modulating Bit Pattern Encoded Bit Pattern Filtered Bit Pattern Modulating Waveform Internal Modulation Generator Encoding Block Filt...

Страница 40: ...ection on the rear panel a 3 3V logic level signal can be received in a number of different formats The options are Off Start Bitrate or Bitrate 2 Selecting Start will output a signal that goes high for a one bit period at the start of the pattern Selecting Bitrate will output a signal that is a square waveform with 50 duty cycle at the user defined bit rate Selecting Bitrate 2 will output a signa...

Страница 41: ... modulation menu Options include Gaussian filters Bandwidth time constant can be 0 3 0 5 or 0 7 Raised cosine filters Roll off factors can be 0 5 or 0 7 Root raised cosine filters Roll off factors can be 0 5 or 0 7 Half sine The options are dependent on the selected modulation type To set the modulation filter select the Filter Type parameter window select the required filter and touch OK FSK 3FSK...

Страница 42: ...y would be Fcentre Fdev 4FSK use 2 bit modulations to determine the output frequency For 3FSK the output frequency will be Fcentre Fcentre Fdev Fcentre Fdev The current bit and the state of the previous bit determines the output frequency 3FSK is also sometimes known as modified duo binary FSK as modified duo binary algorithm is used to determine the output frequency For 4FSK the output frequency ...

Страница 43: ... internal encoding starts at the start of the pattern When the source is external an external trigger can be used to indicate when the encoding should start The options are Ext ve Trg or Ext ve Trg To set the encoding sync trigger select the Encoding Sync parameter window Select the required sync trigger and touch OK ...

Страница 44: ...rce parameter window The options are Internal Uses trigger rate External ve External ve Uses rear terminal Manual Uses trigger key Remote Uses remote command Select the required source and touch OK Trigger type To set the trigger type select the Type parameter window The options are Finite or Infinite Select the required type and touch OK Trigger mode To set the trigger mode select the Mode parame...

Страница 45: ... Option UO1 Modulation Triggering 44 TGR2050 Series Instruction Manual Trigger rate To set the trigger rate select the Rate parameter window The minimum rate is 1us the maximum is 1000s Enter the required rate and touch OK ...

Страница 46: ...modulation men shown in the navigation bar To create a new pattern touch the New button An on screen prompt will appear informing Overwrites the current list with default list select Continue to proceed To insert a new point touch Insert Points can be inserted into any position within the table use the arrow keys to navigate up and down the table The selected point will be copied into the position...

Страница 47: ...g Modify High Low will change this to low and vice versa To select a specific point for modification select the Go To parameter window input the desired point number and touch OK Touch to exit the modulation pattern Apply Exit to apply the modulation pattern touch Discard Exit to exit without changes or Cancel to go back to editing the pattern A pop up will appear Apply changes touch Apply and Exi...

Страница 48: ...s the SWEEP key There are two types of sweep available Step Sweep The Step sweep function allows the carrier frequency amplitude or both frequency amplitude to be swept using defined start and stop values List Sweep List sweep allows each point within the sweep to be defined individually in a sweep list ...

Страница 49: ...ch OK Selecting a linear shape will change the frequency at a linear rate spacing the points equally between the start and stop values using the number of steps stated in the Length parameter window Selecting a Logarithmic shape will increase the frequency exponentially between the start and stop values using the number of steps stated in the Length parameter window Amplitude steps are always line...

Страница 50: ...requency in kHz MHz or GHz and touch OK The minimum start stop frequency is 150kHz the maximum is 1 5GHz TGR2051 or 3GHz TGR2053 Start stop amplitude level To set the start stop amplitude levels select the Start Ampl or Stop Ampl parameter window enter the required start stop amplitude level in dBm dBuV uV or mV and touch OK The minimum start stop amplitude level is 127dBm the maximum is 13dBm ...

Страница 51: ...amplitude or Freq Ampl frequency and amplitude Select the required parameter and touch OK Sweep direction To set the sweep direction select the Sweep Dirn parameter window The options are Up or Down Selecting Up will start the sweep at point 0001 selecting Down will finish with point 0001 Select the required parameter and touch OK Sweep mode Sweep mode determines whether the sweep will run just on...

Страница 52: ...d edge of the SYNC OUT signal see SYNC polarity indicates when the RF output has become stable after each step of the sweep see Fig 1 The SYNC OUT signal remains asserted until the next step SYNC OUT is a 3V3 logic signal with 50Ω output impedance Sync polarity To set the synchronisation polarity select the Sync Polarity parameter window The options are ve Edge or ve Edge Select the required param...

Страница 53: ...ep from point to point at each press of the front panel TRIGGER button Remote trigger will step the sweep from point to point upon receipt of a trigger command from the remote interfaces More information can be found in the programming manual available from www aimtti com NOTE Trigger functions will only become active once the sweep Run button is touched Sweep trigger The sweep trigger activates t...

Страница 54: ... new sweep can be triggered by an external ve trigger while the individual sweep points are triggered by external ve trigger After RUN an external ve trigger will be ignored before a ve trigger is received Thereafter External ve triggers will be ignored while the sweep is running ...

Страница 55: ...w touch List followed by OK The list sweep menu is constructed across two pages List specific settings feature on the first page General sweep settings on the second To switch between the two simply touch the Page button or switch using the swipe gesture See Touch Screen Principles for further details New list sweep To create a new list sweep touch New A pop up will appear indicating that this act...

Страница 56: ...m frequency is 150kHz the maximum is 3GHz To modify the amplitude level select the Amplitude parameter window enter the required amplitude level in dBm dBuV uV or mV and touch OK The minimum amplitude level is 127dBm the maximum is 13dBm To modify the sweep dwell time select the Dwell Time parameter window enter the required length of time in ms or s and touch OK The minimum dwell time for each st...

Страница 57: ... can be viewed by touching the Page button Touch the Stop button to stop the sweep To save the sweep to the internal memory touch Save Select the File parameter window to insert the file name file names can be up to 8 characters long Touch OK to return to the save window and touch Save For more information on saving files to internal memory and external sources see Stores menu Editing the current ...

Страница 58: ...weep touch Continue NOTE Ensure that the current sweep list has been saved before proceeding as this data will be erased The sweep list will now contain the parameters of the step sweep the Length parameter window will show the transferred length from the step sweep The same actions can now be applied to the transferred step sweep data as previously described in Editing a list sweep touch Edit to ...

Страница 59: ...details Low spur mode To activate low spur mode select the Low Spur Mode parameter window Select On and touch OK Low spur mode is now on this will be shown in the information window on the home screen For more details see Low spur mode Reference clock source To change the reference clock source select the Ref Clock parameter window The options are Internal or External If the internal clock is bein...

Страница 60: ...The options are TGR1040 TGR2050 or TGR2053 Select the required remote command set and touch OK Instrument setup To save the instrument settings touch Save NOTE The instrument settings include sweep menu parameters modulation menu parameters frequency and amplitude values and the parameters under the Instrument menu in the Utility menu To recall a previously saved set of instrument settings touch R...

Страница 61: ...re updates from www aimtti com support Copy to Flash drive Insert the flash drive into FLASH DRIVE port on the front panel Touch Install Remove flash drive once complete NOTE If a connected flash drive has a firmware update loaded it will request to update each time the instrument is powered on NOTE Firmware can also be updated via the remote interface see programming manual for further details To...

Страница 62: ...tility menu Instrument 61 TGR2050 Series Instruction Manual User Options This button is used to install add on option packs see option pack instructions for details Alternatively see www aimtti com support ...

Страница 63: ...hich the instrument will power on select the Power on State parameter window The options are Default Params or Latest Params With Default Params selected the instrument will power up with the factory default parameters loaded With Latest Params selected the instrument will power up with the parameters as they were at the last power down Colour theme To change the colour theme select the Colour The...

Страница 64: ... selection of individual digits click to edit click to move selection to a different digit press ESCAPE to exit selection Date and time To set the Date and time touch the Set button Set the time and date using the parameter windows To change the date format select the Date Format parameter window The options are DD MM YYYY or MM DD YYYY Select the required format and touch OK To change the time fo...

Страница 65: ...ction Manual Buzzer To set the buzzer tone settings touch the Settings button Each element that may present a buzzer sound has an individual On Off button To activate deactivate the buzzer for that element simply touch the button to change the state ...

Страница 66: ...s pop up until the OK button is touched Alternatively the ESCAPE key or rotary knob can be pushed to clear the message Remote Error Message queue The Remote Error Message queue will display any error messages received when in remote control mode The Message screen will show what type of error has occurred for further details select the required error using the arrow keys and touch View There are t...

Страница 67: ...rs occur when the command has been accepted but the values provided are invalid The pop up message will include details of the error and the command that the error is related to Command Errors Command errors will simply display Command Error there is no more information connected to this error ...

Страница 68: ...bration To access the calibration menu press the UTILITY key followed by Calibration Password protection The calibration menu can be password protected using up to 8 characters To set the password select the Set parameter window Enter the preferred password and touch OK ...

Страница 69: ...parameter window will now show Verify and the calibration menu is now locked until the password is verified The Instrument and Touch Screen buttons are no longer selectable To unlock the calibration menu select the Verify parameter window Enter the password and touch OK ...

Страница 70: ...o clear the password and return to non restricted calibration to clear the password touch Clear Touch Continue to proceed the password has now been removed NOTE If password is forgotten contact www aimtti com support to reset Instrument and Touch Screen calibration Full details on how to calibrate the Instrument and Touch Screen can be found in the TGR2050 Series Service Guide ...

Страница 71: ...the unit and allows it to be configured Since it is possible to misconfigure the LAN interface making it impossible to communicate with the instrument over LAN a LAN Configuration Initialise LCI mechanism is provided via the user interface to reset the unit to the factory default See TGR2050 Series Programming Manual for further details This can be found on the Aim TTi website www aimtti com For m...

Страница 72: ...ing DHCP or Auto IP Select Manual to use the Static IP settings To edit the Static IP settings touch the IPv4 Manual button See TGR2050 Series Programming Manual for further details Status To view the LAN status touch Status This will display all of the settings for LAN configuration For details on how to edit these see Settings See TGR2050 series programming manual for further details This can be...

Страница 73: ...ils This can be found on the Aim TTi website www aimtti com GPIB optional Reset To reset the GPIB touch Reset A pop up will appear Reset instrument s GPIB configuration to default and reinitialise GPIB port Touch Continue to reset GPIB address To change the GPIB address select the GPIB Address parameter window Enter the required address and touch OK See TGR2050 series programming manual for furthe...

Страница 74: ...nu Info 73 TGR2050 Series Instruction Manual Info Touch Info to view instrument information including Manufacturer details CTRL firmware RF firmware versions Serial number MAC address and TCP IP socket port details ...

Страница 75: ...ect of IQ offsets The suppression of both is adjusted at a set number of predefined frequencies during the regular calibration procedure with an interpolation formula applied between them but the user can optimise the suppression at any currently set frequency using the IQ Trim To use the IQ trim function select the IQ Trim button in the UTILITY menu To change the trim values to the current freque...

Страница 76: ...rier suppression at 25MHz below the currently set output frequency above 250MHz and at 25MHz above the set output frequency at 250MHz or below The I and Q offset adjustments are interactive and must be adjusted iteratively until the required suppression is achieved Once all the IQ trim parameters have been adjusted touch Save followed by Exit to save and exit back to the Utility menu To discard th...

Страница 77: ...en shot press and hold the ESCAPE key on the front panel until a beep is heard and PRT SCRN appears in the status bar The screen shot has now been saved to the internal memory Naming the file The file will be saved with the default prefix name IMAGE alongside an index number e g 001 Resulting in the complete file name being IMAGE001 BMP To change the prefix select the Prefix parameter window A nam...

Страница 78: ... Help The help menu provides a list of help topics which give general information about instrument operations Use the arrow keys to navigate up and down the table and select the required help topic using Select Use the Page and Page arrow keys to navigate up and down the page touch the Back key to return to the help menu ...

Страница 79: ...within them System System settings are as listed on the Utility System menu such as screen brightness and buzzer settings but excluding Power on state and Date Time I O Input Output settings are those of the rear panel remote control interfaces All All Factory Settings includes all of the above For factory default setting details see Appendix 1 CAUTION Ensure all necessary settings are saved befor...

Страница 80: ...or copied within this menu including Print screens instrument setups modulation patterns and sweep lists To set the file type select the Files Type parameter window The options are Print Screen Setup Mod Pattern or Sweep list Select the required file type and touch OK The Files location field shows the source of the stored files When Internal is displayed and the button is blanked no external driv...

Страница 81: ...o copy the file touch File Ops This will bring up the file options menu Here files can be copied deleted or renamed To copy the file touch Copy The copy menu allows files to be copied to both internal memory and an external flash drive Select the Drive parameter window select External and touch OK The file can now be re named and copied Select the File parameter window type in the file name using ...

Страница 82: ...touch File Ops This will bring up the file options menu Here files can be copied deleted or renamed To copy the file touch Copy The copy menu allows files to be copied to both internal memory and an external flash drive Select the Drive parameter window select Internal and touch OK The file can now be re named and copied Select the File parameter window type in the file name using the on screen ke...

Страница 83: ... Next select the location from which the file will be deleted using the Files Location parameter window and then select the file to be deleted using the arrow keys Touch the File Ops button and touch Delete another screen will appear asking to confirm the action The details of the selected file are shown in the information box Touch Delete to delete the selected file To delete all files touch Dele...

Страница 84: ... the Files Type parameter window Next select the location from which the file will be renamed using the Files Location parameter window and then select the file to be renamed using the arrow keys Touch the File Ops button and touch Rename The details of the selected file are shown in the information box Select the File parameter window and enter the required file name using the on screen keypad an...

Страница 85: ... File handling Files can be arranged by name or date using the File Name s and Date modified buttons above the file display box To arrange files by the most recently modified touch the Date modified button To arrange files alphabetically touch the File Name s button ...

Страница 86: ...nterface but via the USB connector on the rear panel This instrument sets up the controlling computer to treat the USB connection as a virtual COM port Application software on the computer can then access the instrument via that COM port The LAN interface is designed to meet 1 5 LXI Device Specification 2016 Please see TGR2050 series programming manual for further details This can be found on the ...

Страница 87: ...AM AM Depth 30 AM Modulating Source Sine AM Modulating Internal Frequency 1 kHz AM Sync Out OFF AM Mod Out OFF FM Deviation 20 kHz FM Modulating Source Sine FM Modulating Internal Frequency 2 kHz FM Sync Out OFF FM Mod Out OFF PM Deviation 25 00 rad PM Modulating Source Sine PM Modulating Internal Frequency 3 kHz PM Sync Out OFF PM Mod Out OFF DIGITAL MODULATION optional ASK Depth 100 ASK Modulati...

Страница 88: ...rnal OOK Trigger Type Finite OOK Trigger Mode Bit OOK Trigger Count 150 OOK Trigger Rate 150ms FSK Deviation 20 kHz FSK Modulating Source PRBS7 FSK Modulating Internal Frequency 2 kbps FSK Sync Out OFF FSK Mod Out OFF FSK Mode Immediate FSK Filter Type None FSK Encoding Sync N A FSK Encoding Method N A FSK Trigger Source Internal FSK Trigger Type Finite FSK Trigger Mode Bit FSK Trigger Count 200 F...

Страница 89: ...ncy 4 kbps 4FSK Sync Out OFF 4FSK Mod Out OFF 4FSK Mode Immediate 4FSK Filter Type None 4FSK Encoding Sync N A 4FSK Encoding Method Gray code 4FSK Trigger Source Internal 4FSK Trigger Type Finite 4FSK Trigger Mode Bit 4FSK Trigger Count 400 4FSK Trigger Rate 400ms GFSK Deviation 50 kHz GFSK Modulating Source PRBS7 GFSK Modulating Internal Frequency 5 kbps GFSK Sync Out OFF GFSK Mod Out OFF GFSK Mo...

Страница 90: ...Trigger Type Finite MSK Trigger Mode Bit MSK Trigger Count 600 MSK Trigger Rate 600ms GMSK Deviation N A GMSK Modulating Source PRBS7 GMSK Modulating Internal Frequency 7 kbps GMSK Sync Out OFF GMSK Mod Out OFF GMSK Mode Immediate GMSK Filter Type Gauss BT 0 3 GMSK Encoding Sync N A GMSK Encoding Method N A GMSK Trigger Source Internal GMSK Trigger Type Finite GMSK Trigger Mode Bit GMSK Trigger Co...

Страница 91: ...ating Source PRBS7 PSK Modulating Internal Frequency 9 kbps PSK Sync Out OFF PSK Mod Out OFF PSK Mode Immediate PSK Trigger Source Internal PSK Trigger Type Finite PSK Trigger Mode Bit PSK Trigger Count 900 PSK Trigger Rate 900ms Modulation User Pattern Used for ASK OOK FSK 3FSK 4FSK GFSK MSK GMSK HMSK PSK Modulation User Pattern Length 2 Modulation User Pattern settings SWEEP Sweep Type OFF Sweep...

Страница 92: ...70 MHz Step Sweep Start Amplitude 10 dBm Step Sweep Stop Amplitude 40 dBm List Sweep Length 2 List Sweep settings UTILITY Brightness 40 Power on State Latest Colour Theme Theme1 Encoder State 2 State Buzzer Error Tone ON Warning Tone ON Info Tone ON Key Tone ON Touch Tone ON Remote Tone ON Trigger Tone ON LAN IP Config Method Automatic LAN IPv4 Manual IP Address 192 168 1 100 Subnet Mast 255 255 2...

Страница 93: ...r Panel BNC Automatic detection and selection when an external reference signal is present and Ref Clock is selected to be EXTERNAL LCD status indicator shows when external reference is active Reference OUT 10MHz 50Ω output impedance 2Vpp into 50Ω Rear panel BNC The active reference signal from internal or external source is present when Ref Clock Out is selected to be ON Output level Output Level...

Страница 94: ...y Deviation Setting Resolution 1mHz Deviation Accuracy Ref freq accuracy 1mHz for internal modulation 2 for external modulation 1kHz 1V p p Distortion 1 1kHz modulation 300 3 4kHz bandwidth Phase Modulation Deviation 0 25 00 rad Deviation Setting Resolution 0 01 rad Deviation Accuracy Ref freq accuracy 0 1rad for internal modulation 2 for external modulation 1kHz 1V p p Distortion 1 1kHz modulatio...

Страница 95: ...an a pattern length Bit count range 1 2 31 Trigger Delay 500ns from specified edge of external trigger signal to modulation start Internal Modulation Pattern SYNC Signal available from the rear panel SYNC BNC to synchronise internally produced modulation patterns SYNC modes OFF Start Bit Rate Bit Rate 2 SYNC polarity High going SYNC pulse Start SYNC SYNC pulse 1 bit period wide at the start of the...

Страница 96: ...tion 0 01 rad Deviation Accuracy Ref freq accuracy 0 1rad for internal and external modulation Amplitude Shift Keying ASK ASK Depth 0 100 Setting Resolution 0 1 Accuracy 1 for internal and external modulation Internal Rate 1mb s 1Mb s External Rate DC 1Mb s ON OFF Keying OOK Basic Pulse Modulation On Off Ratio 80dB External Input Logic high Carrier On Internal Rate 1mB s 1Mb s External Rate DC 1Mb...

Страница 97: ...n Up or Down Sweep Point Spacing Linear or Logarithmic Sweep Trigger Sweep start held until trigger event Manual ext signal ve or ve edge Timed 0 01 999 9sec or via remote interface Point Trigger Sweep point stepping held until trigger event Manual ext signal ve or ve edge or via remote interface Point Trigger timing 10ms after SYNC signal SYNC signal output stable Available after output has settl...

Страница 98: ...lation patterns Connector type Standard USB type A Option TGR U01 Makes available all digital modulation schemes with full trigger and SYNC capabilities listed under DIGITAL MODULATION above General Power 85 264Vac 47 63Hz 35VA max Installation Category II Standby 0 5W Display 4 3 inch 10 9 cm backlit TFT LCD 480 x 272 pixels total 16 colours resistive touch screen Data Entry Multiple entry method...

Страница 99: ...17 Specification General 98 TGR2050 Series Instruction Manual ...

Страница 100: ...QUALITY SYSTEMS TTi is an ISO9001 registered company operating fully traceable quality systems for all processes from design through to final calibration ISO9001 2015 Certificate number FM 20695 WHERE TO BUY AIM TTI PRODUCTS Aim TTi products are widely available from a network of distributors and agents in more than sixty countries across the world To find your local distributor please visit our w...

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