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Aim-TTI PSA3605, Short Manual, Page: 10 / 23

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Aim-TTI PSA3605 Short Manual Download Page 10

 

- 9 - 

C=M1 sets the centre frequency to the Marker 1 frequency. 
C=Pk sets the centre frequency to the frequency of the peak amplitude  
within the current span. 

Step Up/Down changes the centre frequency by the step value as set by 
the Step Size function from the Frequency/Span menu. 

 

4.3.2  Frequency/Span > Span 

 

Pressing Span changes the top line annotation to Centre/Span if it was previously 
Start/Stop. The five keys on the bottom row enable the span of the sweep to be 
changed: 

 

Set Span brings up a numeric keyboard from which the desired span can be entered 
in MHz to a resolution of 0.0001 (0.1kHz). Pressing Set by ‘Tab/Jog’ from this 
screen provides an alternative frequency editing mode.  Pressing ‘Set by K/B’ from 

this screen returns to the numeric keyboard setting screen.  Pressing ‘Exit’ returns to the main 
Centre menu.  The last used mode (K/B or Tab/Jog) is retained. 

Set to Mdelta sets the span equal to the frequency difference between the M1 and 
M2 markers (if they are both on). 

 

Zoom Out/In increases or decreases the span from its current value in a 
1:2:5 sequence. 

 

Zero Span sets the span to zero and enables demodulation to be applied. 
See Next Section. 

 

4.3.3  Frequency/Span > Zero Span 

Zero Span mode sets the span to zero and changes the swept display to a horizontal line at the 

signal level. AM or FM demodulation can be applied to the signal. 

Exit Z-Span cancels zero span mode and returns to the normal Span menu - see 
Previous Page. 
 

Audio Demod creates a new menu providing control of audio demodulation. 
 
 
Waveform Demod creates a new menu providing control of the way that the 
modulation waveform is displayed. 
 

Audio Demodulation Sub Menu 

Demod Type selects AM or FM demodulation. 

Depth/Dev. enables the AM depth or FM deviation to be adjusted using Up/Down keys. 

Audio Volume allows the volume applied to the internal speaker or headphone socket to be 
adjusted in 15 steps, or muted. 

A hiss reducing filter can be selected. 

Waveform Demodulation Sub Menu 

Display Type the demodulated signal for AM or FM can be displayed. The graticule represents 
depth per division or deviation per division. 

Alternatively the carrier can be displayed as a DC level, or as variation against a timebase. 

Depth/Dev. enables the AM depth or FM deviation scaling to be set with Up/Down keys. 

The range is 1.25%/div to 25%/div (AM) or 0.25kHz/div to 250kHz/div (FM). 

Set 

C=M1 

Set 

C=Pk 

Step 

Down 

Step 

Up 

Span 

Set 

Span 

Set to 

Mdelta 

Zoom 

Out 

Zoom 

In 

Zero 

Span 

Exit 

Z-Span 

Audio 

Demod. 

Wavefm 

Demod. 

Summary of Contents for PSA3605

Page 1: ...PSA6005 PSA3605 6GHz 3GHz Spectrum Analyzers SHORT GUIDE ...

Page 2: ...ency Presets 11 4 4 Sweep BW 11 4 4 1 Sweep BW RBW VBW 11 4 4 2 Sweep BW Sweep Time 11 4 4 3 Sweep BW Sweep Control 12 4 4 4 Sweep Control Key 12 4 4 5 Sweep Progress Bar 12 4 4 6 Sweep BW Sweep Mode 12 4 4 7 Sweep BW Detector Type 13 4 5 Level Limits 13 4 5 1 Level Limits Units Graticule 13 4 5 2 Level Limits Reference Level 13 4 5 3 Maximum Signal Levels 14 4 5 4 Level Limits Scale Shift 14 4 5 ...

Page 3: ...20 4 8 2 Context Help Topic List 20 4 8 3 Presets 20 5 Maintenance Updates Further Information 21 5 1 Recalibration Repair 21 5 2 Cleaning 21 5 3 Updating the Firmware 21 5 4 Battery Replacement 21 5 5 Further Information 21 ...

Page 4: ...manner not specified by these instructions may impair the safety protection provided WARNING All accessible parts will be at the same voltage as the outer body of the N type input socket In particular note that the shells of both USB connectors are galvanically connected to the body of the N type input and will therefore be at earth ground potential when either USB port is connected to a desktop P...

Page 5: ...t between 0 027MHz and 5990MHz or 3590MHz RBW and VBW are selectable between 300Hz and 10MHz Frequency accuracy is 1ppm Marker accuracy is 0 37 of span Level the on screen amplitude range is 84dB with a reference level of 20dBm 0dBm 20dBm or 40dBm Vertical magnification to 1dB div can be selected Average noise floor is better than 120dBm at 40dBm ref level and 10kHz RBW VBW Amplitude accuracy is b...

Page 6: ...on U02 is available to purchase from Aim TTi or from your local agent distributor Firmware Updates Aim TTi may make updated versions of the instrument firmware available in order to add new features or to correct bugs These will be downloadable from the Aim TTi website without charge The current version is displayed within the Status display The update is installed using a USB Flash drive 2 5 Init...

Page 7: ...ded for both portable and bench top applications It is supplied with the tilt stand folded away at the back of the instrument This can be hinged outwards to set an angle of about 40 degrees To protect the screen when in transit the stand can be detached from the base and re attached on the top to act as a screen protector The stand is detached by flexing the sides until the locating lugs disengage...

Page 8: ...priate lower reference levels During this time a red background message of Status SCANNING with be displayed When finished the message will become Status COMPLETE When Auto Set has completed the analyzer should be set with a fairly narrow span typically 10MHz centred on the signal with the M1 marker at the centre frequency and in Peak find mode indicated by an upwards arrow prior to the M1 readout...

Page 9: ... the sweep It duplicates the function of the touch screen key directly below the graticule Exit Cancel terminates any pop up menu or dialogue box Status Help brings up complete listings of the instrument status and gives access to the System Utilities and on screen Help View Live View copies an instance of the Live trace to the View trace This duplicates the action of the soft key Traces Markers T...

Page 10: ...lied See Next Section 4 3 3 Frequency Span Zero Span Zero Span mode sets the span to zero and changes the swept display to a horizontal line at the signal level AM or FM demodulation can be applied to the signal Exit Z Span cancels zero span mode and returns to the normal Span menu see Previous Page Audio Demod creates a new menu providing control of audio demodulation Waveform Demod creates a new...

Page 11: ... for changing the start and or stop frequencies based upon the frequency step size Fix Start fixes the start frequency at its present value so that the Step Up Down keys operate only on the stop frequency The word Fix appears against the start frequency at the top of the screen Pressing the key again cancels the function Fix Stop performs a similar function to Fix Start for the stop frequency Step...

Page 12: ...creates a pop up menu from which an RBW can be selected between 300Hz and 10MHz in a 1 3 10 sequence VBW Track sets the VBW to track the RBW value subject to the Track Offset When selected the word Trk appears in front of the VBW value Track Offset sets the relationship between VBW and RBW for VBW Track mode Positive numbers set a VBW one step higher while negative numbers set it one step lower Th...

Page 13: ...an about 1 second the sweep is drawn progressively across the screen In this mode a yellow sweep progress line is shown at the bottom of the graticule 4 4 6 Sweep BW Sweep Mode This menu controls the sweep methods used to suppress signal images and other spurii Combined analog and digital techniques are used to achieve image suppression and the user can choose between methods that may offer improv...

Page 14: ...ejection ratio are explained in the full instruction manual 4 4 7 Sweep BW Detector Type This menu enables the type of signal detector used to be changed Default Positive by default the analyzer uses a Positive Peak detector This gives the most accurate results in the majority of situations Set Detector creates a pop up menu that enables alternatives to positive peak to be selected These are Negat...

Page 15: ...enables a file to be loaded that compensates for frequency dependent external devices such as antennae On and Off turns the currently selected offset or compensation on or off Set Offset opens a numeric or Tab Jog screen from which the fixed offset can be set Select Table opens a file recall screen for compensation tables created in PSA Manager 4 5 6 Level Limits Limits Limit lines limit patterns ...

Page 16: ...urrent Live trace to the View trace and turns the View trace on if it was off Swap halts the Live trace and places the View trace in front of the Live trace Measurement markers then operate on the View trace Pressing the key again or re starting the Live trace with the Run key will swap the traces back View On Off toggles the View trace on or off without creating a new View trace Ref On Off toggle...

Page 17: ...rts once the save is completed Save As pauses the trace update and opens a second control screen that enables a custom name to chosen The keys are as follows Change Name brings up an alpha numeric keypad from which a new file name of up to eight characters can be entered Change Default enables the default file name used for Quick Save to be changed Up to five characters can be used File Utilities ...

Page 18: ...the M1 marker so that it no longer follows level changes from the sweep The marker readout is preceded with the word Fix Pressing the key again or pressing either of the marker move keys returns M1 to normal operation M2 M1 moves the M2 marker to the frequency position of the M1 marker also turns M2 on if it was off This is intended for use with the Fix M1 function to enable amplitude changes at a...

Page 19: ...pauses logging and provides options to resume or to close and exit 4 7 2 Setup Functions Auto Measure Automatic measurements requires option U02 Measurement of Channel Power CP Adjacent Channel Power Ratio ACPR and Occupied Bandwidth OBW are provided Centre frequency span and RBW must be set manually prior to measurement On Off toggles the automatic measurement on or off When on normal markers are...

Page 20: ... that character Latest Files lists up to 20 recently stored or recalled files Load Defaults sets the instrument back to the settings that existed when the instrument was manufactured All settings including screen brightness and off timer are reset However no files are deleted 4 7 5 Setup Functions System File Ops Provides access to the instrument system settings and to various filing system operat...

Page 21: ...wr On State enables the state of the instrument at switch on to be either Last Used or User Preset see section 2 8 3 Alerts has the following functions Beep enables the warning beep for errors and illegal operations to be turned on or off Navig Prompt enables the information box for the Navigator keys mode to be turned on or off System Update has the following functions Calibrate Hardware provides...

Page 22: ... may be obtained directly from Aim TTi or their agents overseas Recalibration requires the use of a precision signal generator as specified in the Service Guide 5 2 Cleaning If the unit requires cleaning use a cloth that is only lightly dampened with water or a mild detergent Take particular care in cleaning the touch screen area 5 3 Updating the Firmware Updates to the instrument firmware may be ...

Page 23: ...e PE29 7DR England United Kingdom Telephone 44 0 1480 412451 Fax 44 0 1480 450409 International web site www aimtti com UK web site www aimtti co uk USA web site www aimtti us Email info aimtti com Aim Thurlby Thandar Instruments Aim TTi Book Part No 48511 1750 Issue 1 ...

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