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AIRSCOUT SPECTRUM

Tempo Communications Inc.

1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155

18

2.7.1 LNA*

8ETTMRK XLI 02% FYXXSR XYVRW SR ERH SJJ XLI ƈ0S[ 2SMWI %QTPMƼGEXMSRƉ 02% PS[IVW XLI RSMWI ƽSSV ERH EPPS[W ZMI[MRK

very weak signals but the reference (overload) level is considerably lowered.

* Only Airscout Spectrum 0.3-3 GHz, 2-8 GHz

When LNA is enabled, the LNA button is

green

and an indication is displayed under the graph. LNA is disabled by default.

To get the best results with the LNA, set internal attenuation ATT to zero and lower reference level

at the REF menu.

Entering the ATT menu

The ATT menu

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Summary of Contents for AIRSCOUT SPECTRUM

Page 1: ...W V5 2 8 6 Airscout Spectrum 2 8 GHz v 2 FW V5 4 3 6 Airscout Spectrum 24 40 GHz v 2 FW V5 3 6 12 Distribution in the UK Lambda Photometrics Limited Lambda House Batford Mill Harpenden Herts AL5 5BZ United Kingdom E info lambdaphoto co uk W www lambdaphoto co uk T 44 0 1582 764334 F 44 0 1582 712084 ...

Page 2: ...equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Airscout Spectrum does not contain serviceable parts Warranty will not be applicable in the even...

Page 3: ...6 2 7 3 LNA 17 2 7 4 UNITS 19 2 7 5 SCALE 21 2 8 TRACE 23 2 9 POWER IN BAND 27 2 10 SAVE 29 2 11 PRESET 30 2 12 FULL SCREEN 31 2 13 TOOLS 32 2 13 1 FILES 33 2 13 2 PROFILES 34 2 13 3 MASK MODE 35 2 13 4 PATH CALC 36 2 13 5 HIGH CONTRAST 38 2 13 6 RECORD 39 2 13 7 RECORD TIME PLOT 41 2 13 8 AUTO ROTATE 43 2 13 9 ABOUT 44 2 13 10 SERVICE MENU 44 2 14 SETTINGS 46 2 14 1 BRIGHT 47 2 14 2 TIME 48 2 14 ...

Page 4: ...vice Furthermore its high sensitivity and low noise floor make it possible to detect even exceptionally weak signals The Airscout Spectrum can also be used for high preci sion detection of existing interference on installed paths or available radio channels Data logging of all spectrum scans is available on the Airscout Spectrum device and enhanced data processing and analysis are provided by Temp...

Page 5: ...Max input power with LNA ON 19 dBm 17 dBm 0 dBm RBW Resolution bandwidth 10 30 100 300 kHz 30 100 300 1000 kHz 100 300 1000 kHz VBW Video bandwidth 1 3 10 30 kHz 1 3 10 30 100 kHz Min span 0 5 MHz 1 5 MHz 5 MHz Max span Full bandwidth Sweep speed 0 15 s 15 MHz Span 0 2 s 50 MHz Span 1 MHz RBW Accuracy 1 dB Mass memory 8 GB Input 50 ohm SMA f 50 ohm 2 92mm f Interface USB Type C Battery life up to ...

Page 6: ...guide adapter UBR320 to 2 92 26 40 GHz WR28 12 RF cable 13 AC DC USB C charger 14 AC DC USB C charger for USA 15 Leather bag 16 USB C USB C Cable 17 USB C USB A adapter 18 Lanyard 19 Omni directional antenna 0 6 6 GHz 20 Omni directional antenna 0 3 1 1 GHz 21 Horn antenna 3 5 GHz 22 Horn antenna 5 7 5 GHz 23 Horn antenna 6 11 GHz 24 Horn antenna 11 17 GHz 25 Horn antenna 17 26 GHz 26 Horn antenna...

Page 7: ... indicates the current battery level When there are about 15 minutes of active sweeping time left a red warning BATTERY LOW will be displayed on the screen above the graph Turning off the continuous sweeping of the spectrum SWEEP CONT when it is not monitored and decreasing the screen background brightness Main screen Æ TOOLS SETTINGS Æ SETTINGS Æ BRIGHT prolongs the operation time Airscout Spectr...

Page 8: ...input power level increases from bottom to top The displayed input power range can be adjusted at the SCALE menu Above the graph the input power level at the CENTER frequency is displayed except for CUMULATIVE trace mode see TRACE Tapping the clock in the upper right corner swaps the displayed time date format To save a spectrum curve for later review use the SAVE button The files are saved in Air...

Page 9: ... bar is moving under the graph indicating how far the selected span has been swept SWEEP CONT is enabled by default 2 3 Freq The FREQ menu allows selecting START left limit of the horizontal axis CENTER center value of the horizontal axis and STOP right limit of the horizontal axis frequencies of the spectrum range in megahertz MHz While at the FREQ menu tapping the right part of the graph decreas...

Page 10: ...n a valid parameter value the numbers on the green buttons can be entered the numbers on the red buttons cannot be entered If the currently entered value is valid it is displayed in green also OK button is green If the value is not valid it is displayed in red also OK button is red To confirm a valid value tap the OK button or tap the parameter s box The frequency value can be entered with a preci...

Page 11: ...n megahertz MHz While at the SPAN menu tapping the right part of the graph decreases SPAN zooms in and tapping the left part of the graph increases SPAN zooms out Sliding the graph to the right or to the left modifies START and STOP frequencies by equal amounts keeping the SPAN constant Modifying SPAN preserves CENTER frequency if possible but alters START and STOP frequencies Tapping the MIN SPAN...

Page 12: ...current MARKER frequency while preserving SPAN if possible i e centers the graph on the MARKER The current MARKER frequency is displayed in white The color of the keypad buttons shows which numbers can be entered at the current digit position to obtain a valid parameter value the numbers on the green buttons can be entered the numbers on the red buttons cannot be entered If the currently entered v...

Page 13: ...ERH IRXIV XLI VIWX SJ XLI HMKMXW 9RXMP XLI ZEPYI MW GSRƼVQIH XLI HMKMXW EJXIV XLI TSMRX EVI HMWTPE IH PEVKIV J XLIVI EVI RS HMKMXW HMWTPE IH EJXIV XLI TSMRX MX QIERW XLEX XLI EVI IVSIW While in the MARKER menu tapping the graph will place the MARKER there MARKER can be moved also by dragging it If the MARKER frequency is outside of the currently displayed frequency range arrows on the graph will i...

Page 14: ...kHz 10 kHz 30 kHz 100 kHz Only Airscout Spectrum 2 8 GHz 24 40 GHz Narrower VBW stabilizes the displayed trace i e smooths the noise and allows to see weaker signals better but for pulsating signals a wider VBW should be used For most accurate power measurements AVG detector see TRACE is recommended If utilizing the MAX or MIN detector please note that a narrower VBW must be used In case the manua...

Page 15: ...res optimum use of the filters AUTO is enabled by default When AUTO is enabled the AUTO button is green at the RBW VBW menu AUTO is disabled instantly if a different RBW or VBW is selected manually To exit the RBW 2 7 Level The options regarding the displayed input power levels are accessible at the LEVEL menu To exit the LEVEL menu and return to the main screen tap BACK Entering the RBW VBW menu ...

Page 16: ...dicates the maximum input power level that Airscout Spectrum can display without distortions By adjusting it the usable input power range is tuned higher reference level allows ZMI MRK WXVSRKIV WMKREPW PS IV VIJIVIRGI PIZIP LEW PS IV RSMWI ƽSSV XLYW EPPS W ZMI MRK IEOIV WMKREPW The reference level is also raised by turning off the LNA and increasing the attenuation either by increasing internal at...

Page 17: ...HIV XLI KVETL R EHHMXMSREP EXXIRYEXMSR VEMWIW XLI RSMWI ƽSSV FYX EPPS W XS MRTYX WXVSRKIV WMKREPW i e raises the reference level To exit the ATT submenu and return to the LEVEL menu tap BACK The internal attenuation is 0 by default Internal attenuation steps Table4 0 3 3 GHz 0 dB 5 dB 10 dB 15 dB 20 dB 25 dB 30 dB 2 8 GHz 0 dB 6 dB 1 0 dB 16 dB 20 dB 26 dB 3 0 dB Only Airscout Spectrum 0 3 3 GHz 2...

Page 18: ...EPPS W ZMI MRK very weak signals but the reference overload level is considerably lowered Only Airscout Spectrum 0 3 3 GHz 2 8 GHz When LNA is enabled the LNA button is green and an indication is displayed under the graph LNA is disabled by default To get the best results with the LNA set internal attenuation ATT to zero and lower reference level at the REF menu Entering the ATT menu The ATT menu ...

Page 19: ...AIRSCOUT SPECTRUM 19 Tempo Communications Inc 1390 Aspen Way Vista CA 92081 USA 800 642 2155 The LNA menu ...

Page 20: ...r MARKER and POWER IN BAND and with non default units the input power values for the vertical axis and reference level REF indication will be displayed in dBm The parameters required for the calculation are gain of the receiver antenna GAIN in dBi the MARKER frequency optional LOSSES value to account for any known additional losses e g cables rain obstacles in dB The currently selected parameter G...

Page 21: ...arker frequency is outside of the currently displayed frequency range arrows on t he graph will indicate beyond which side of the graph the marker is positioned To exit the dBuV m submenu tap BACK When dBuV m is enabled the button is green at the UNITS submenu Tapping the dBuV m button when it is active disables the dBuV m marker To exit the UNITS submenu and return to the LEVEL menu tap BACK Ente...

Page 22: ...SPECTRUM Tempo Communications Inc 1390 Aspen Way Vista CA 92081 USA 800 642 2155 22 SCALE menu is available only for default units dBm Adjust the scale before selecting non default The UNITS menu The dBuV m menu ...

Page 23: ...ut power range SSQW SYX J XLI MRTYX TS IV VERKI EPPS W MX WPMHMRK XLI KVETL YT SV HS R QSHMƼIW XLI 1 ERH MIN values by equal amounts The currently selected parameter MAX MIN OFFSET is displayed in white To select a different parameter tap on it once The color of the keypad buttons shows which numbers can be entered at the current digit position to obtain a valid parameter value the numbers on the ...

Page 24: ...averaged value over the values detected the default detector DETECTOR MAX Displays the highest detected input power level values DETECTOR MIN Displays the lowest detected input power level values For most accurate power measurements AVG detector is recommended If utilizing the MAX or MIN detector please note that a narrower VBW must be used see RBW VBW In case the manually selected VBW is too wide...

Page 25: ...e has been plotted The input power value on center frequency is displayed for the blue MAXHOLD trace If MARKER is activated with MAXHOLD trace mode the input power value is shown with larger digits for the NORMAL trace and with smaller digits for the blue MAXHOLD trace If POWER IN BAND is activated with MAXHOLD trace mode the input power value is shown with larger digits for the NORMAL trace and w...

Page 26: ...st power levels registered since the sweeping with this trace mode commenced additional to the NORMAL actual real time trace The number in blue under the graph shows how many sweeps the MIN MAXHOLD trace has been plotted When a spectrum curve is saved all three traces are preserved The input power value on center frequency is displayed for the green MINHOLD trace If MARKER is activated with MAXHOL...

Page 27: ...pen Way Vista CA 92081 USA 800 642 2155 For the maximum allowed SPAN for MIN MAXHOLD trace please see Table3 To exit the TRACE menu and return to the main screen tap BACK MAXHOLD trace mode AVARAGE trace mode CUMULATIVE trace mode MIN MAX HOLD trace mode ...

Page 28: ...green also OK button is green If the value is not valid it is displayed in red also OK button is red 8S GSRƼVQ E ZEPMH ZEPYI XET XLI OK button or tap the selected parameter s box The BW of POWER IN BAND cannot be narrower than the currently selected RBW see RBW VBW The frequency value can be entered with a precision of 0 01 MHz 10 kHz by using the on the keypad To input E ZEPYI MXL HIGMQEP HMKMXW ...

Page 29: ...AIRSCOUT SPECTRUM 29 Tempo Communications Inc 1390 Aspen Way Vista CA 92081 USA 800 642 2155 Entering the POWER IN BAND menu The POWER IN BAND menu ...

Page 30: ...LI 7 FYXXSR JSV E JI WIGSRHW EPPS W WEZMRK XLI GYVVIRX WTIGXVYQ GYVZI MXL E GYWXSQ ƼPI REQI 8LI REQI can be up to 8 characters long 8S MRGVI LIR EWWMKRMRK E GYWXSQ ƼPI REQI MX MW GLIGOIH LIXLIV XLI REQI HSIW RSX QEXGL MXL ER EPVIEH I MWXMRK SRI R XLEX GEWI MX MW RSX TSWWMFPI XS GSRƼVQ When saving the continuous sweep is stopped and the saved curve is displayed on the graph with the assigned ƼPIREQ...

Page 31: ...RGI QSVI 6IFSSX XLI MVWGSYX 7TIGXVYQ Use PRESET to quickly default settings and clear enabled features 9WI 463 0 7 XS WEZI E GSRƼKYVEXMSR FIJSVI YWMRK 46 7 8 ERH XS VIWXSVI MX EJXIV EVHW PRESET will not format the internal storage disk of the Airscout Spectrum 46 7 8 ERH E VIFSSX MW QERHEXSV EJXIV E ƼVQ EVI YTKVEHI To exit the PRESET menu and return to the TOOLS menu tap BACK Entering the PRESET m...

Page 32: ...uttons LOCK SCREEN SAVE and SWEEP CONT accessible The LOCK SCREEN button allows locking the screen of the Airscout Spectrum so that no button on the screen can be EGGMHIRXEPP TVIWWIH ERH XLI KVETL WXE W EW MX MW GSRƼKYVIH 8LI WGVIIR MW YRPSGOIH F WLSVXP TVIWWMRK XLI TS IV FYXXSR To exit the FULL SCREEN mode and return to the main screen tap BACK Entering FULL SCREEN mode Horizontal FULL SCREEN ...

Page 33: ... 800 642 2155 2 13 Tools Additional functions of the spectrum analyzer are accessible at the TOOLS menu To access the TOOLS menu tap the TOOLS SETTINGS button from the main screen To exit the TOOLS menu and return to the main screen tap BACK Entering the TOOLS menu The TOOLS menu ...

Page 34: ...R WGVIIR XLI HMWTPE IH MRTYX TS IV VERKI ERH JVIUYIRG VERKI GER FI EHNYWXIH SSQMRK MR SR XLI JVIUYIRG E MW GSYPH FI HSRI MJ XLI ƼPI EW WEZIH MXL 74 2 KVIEXIV XLER 1 2 74 2 JSV XLI ƼPIƅW RBW and the MARKER or POWER IN BAND can be enabled or adjusted Also a mask can be enabled from the TOOLS SET TINGS menu see MASK MODE SPAN LEVEL MARKER and POWER IN BAND menus are not available for spectrum curves ...

Page 35: ...GYWXSQ ƼPI REQI MX MW GLIGOIH LIXLIV XLI REQI HSIW RSX QEXGL MXL ER EPVIEH I MWXMRK SRI R XLEX GEWI MX MW RSX TSWWMFPI XS GSRƼVQ MX 4VSƼPIW EVI WSVXIH EPTLEFIXMGEPP 8LI XMQI LIR XLI TVSƼPI EW GVIEXIH MW KMZIR YRHIV XLI ƼPIREQI 2EZMKEXI XLI WEZIH TVSƼPIW PMWX YWMRK XLI EVVS W SV XLI WPMHIV 8S TVIZMI E WEZIH TVSƼPI XET SR MX XS WIPIGX MX XLIR XET 463 0 6I WXSVI E TVSƼPI F XETTMRK XLI 7 8 463 0 FYXXS...

Page 36: ... Tapping the RELATIVE MASK button turns on and off centering of the mask If the RELATIVE MASK button is active green the mask is centered on the current CENTER frequency If the RELATIVE MASK button is inactive the spectrum curve used as the mask is positioned in its actual frequency range with which it was saved The vertical position of the mask the MASK OFFSET can be adjusted upwards or downwards...

Page 37: ...QIXIVƅW ZEPYI MW QSHMƼIH To select a parameter tap on it once The color of the keypad buttons shows which numbers can be entered at the current digit position to obtain a valid parameter value the numbers on the green buttons can be entered the numbers on the red buttons cannot be entered If the currently entered value is valid it is displayed in green also OK button is green If the value is not v...

Page 38: ...AIRSCOUT SPECTRUM Tempo Communications Inc 1390 Aspen Way Vista CA 92081 USA 800 642 2155 38 Entering the PATH CALC menu The PATH CALC menu The PATH CALC menu ...

Page 39: ...e interface color scheme and sets screen background brightness to maximum HIGH CONTRAST mode is designed to improve visibility in direct sunlight In HIGH CONTRAST mode the active buttons are indicated by a narrower shape instead of green color To exit the HIGH CONTRAST mode tap the HIGH CONTRAST button again Entering HIGH CONTRAST mode HIGH CONTRAST mode ...

Page 40: ...en tap OPEN RECORD The displayed frame s number and the number of frames recorded altogether are indicated under the slider Also the time how long before the end of the recording the displayed frame was captured is indicated in brackets under the slider By tapping PLAY the playback is started from the currently displayed frame The frame can be selected using the slider and the arrows The record ca...

Page 41: ...spen Way Vista CA 92081 USA 800 642 2155 To close the record and exit the OPEN RECORD submenu tap BACK To exit the RECORD menu and return to the TOOLS menu tap BACK Entering the RECORD menu The RECORD menu The OPEN RECORD submenu The MORE OPTIONS submenu ...

Page 42: ...nually stopped earlier either by tapping the NEW RECORD button again thus disabling it or by tapping the OPEN TIME PLOT or BACK buttons a new conse quent record will be started automatically Airscout Spectrum can be left at a site with NEW RECORD button active and the created records can be examined later While charging with the supplied power source Airscout Spectrum can VIGSVH ƼPIW GSRXMRYSYWP R...

Page 43: ... 1390 Aspen Way Vista CA 92081 USA 800 642 2155 To exit the OPEN TIME PLOT submenu tap BACK To exit the RECORD TIME PLOT menu and return to the TOOLS menu tap BACK Entering RECORD TIME PLOT menu The RECORD TIME PLOT menu The OPEN TIME PLOT submenu ...

Page 44: ...ROTATE button turns on and off the automatic rotation of the screen if the device is turned by 90 180 or 270 degrees When AUTO ROTATE is enabled the button is green Disabling the AUTO ROTATE locks the screen position as it is at that moment AUTO ROTATE is enabled by default The OUTO ROTATE button Horizontal version of the screen ...

Page 45: ...hen DISABLE CHARGING is enabled the button is green To allow charging the device disable the button by tapping it again DISABLE CHARGING is automatically deactivated when the device is turned off USB MODE The submenu USB MODE allows setting the Airscout Spectrum to either Mass Storage Device MSD mode or to Virtual COM Port 4 QSHI 8LI 17 QSHI EPPS W SFXEMRMRK ƼPIW WEZIH SR XLI MVWGSYX 7TIGXVYQ When...

Page 46: ... the spectrum analyzer are accessible from the SETTINGS menu To access the SETTING menu from XLI QEMR WGVIIR KS XS 83307 7 88 2 7 7 88 2 7 8S I MX XLI 7 88 2 7 QIRY ERH VIXYVR XS XLI 83307 QIRY XET BACK To return to the main screen tap MAIN MENU Entering the SERVICE menu The SERVICE menu Entering the SETTINGS menu The SETTINGS menu ...

Page 47: ...ground brightness of the screen Tapping the button or moving the slider up increases the brightness tapping the button or moving the slider down decreases the brightness To exit the BRIGHT menu and return to the SETTINGS menu tap BACK Enabling HIGH CONTRAST mode automatically sets the brightness to maximum Entering the BRIGHT menu The BRIGHT menu ...

Page 48: ... the numbers on the green buttons can be entered the numbers on the red buttons cannot be entered If the currently entered value is valid it is displayed in green also OK button is green If the value is not valid it is displayed in red also OK button is red To confirm a valid value tap the OK button or tap the selected param eter s box If the battery of Airscout Spectrum was fully discharged or re...

Page 49: ...r all Airscout Spectrum models on which is possible to set up 1 MHz RBW These Airscout Spectrum models are 2 8 GHz 24 40 GHz Tapping the SIGNAL ID button turns on and off a filter algorithm that reduces the power levels of the harmonic signals These artificial signals may become visible on screen if the input power is high and the span is comparatively large Enabling the SIGNAL ID slows down the s...

Page 50: ...hen again 4 Connect the device to a computer 5 Copy both the firmware file with extension fw and the initialization file with the extension ini 6 Open the Airscout Spectrum drive and paste the two files into the FIRMWARE folder 7 Turn Airscout Spectrum off and back on The text FIRMWARE UPGRADE should be shown 8 From the main screen tap TOOLS SETTINGS then tap the PRESET button Confirm by tapping o...

Page 51: ...t to VIRTUAL COM PORT do nothing If the USB mode is set to MASS STORAGE DEVICE set it to VIRTUAL COM PORT by tapping OK 4 Connect the device to a PC with installed AirScout Spectrum Manager software 5 Launch AirScout Spectrum Manager 6 Either select Start Realtime if there is only one Airscout Spectrum device connected to the PC or wait for the AirScout Spectrum Manager to detect all connected dev...

Page 52: ...Ireland Lambda Photometrics Limited Lambda House Batford Mill Harpenden Herts AL5 5BZ United Kingdom E info lambdaphoto co uk W www lambdaphoto co uk T 44 0 1582 764334 F 44 0 1582 712084 Characterisation Measurement Analysis ...

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