Mystic User Manual - Microwave System Calculator
Contents
1. O 45 4 25 35 PCB fransi Mixer PreAmp filer Dnver Power loss PCB trans Mer Pre Stage Stage er DOnver Power F igure 2 Mystic output displayed by dPlot 1 3 Getting started with input data files Working with input data in Mystic is similar to work with a spreadsheet but the design is guided and supervised by Mystic itself no mess with row deletion or insertion as always happens when editing a spreadsheet file Components stages are described row by row by the declaration of their electrical performance Each row of the data input panel describes a stage of your line up and the following parameters are used to characterize your component Component name put here the name of the component subsystem Please don t use the same name twice e Component type double click this cell to have access to a menu from which you can choose the component type you want to add among the following o Amplifier o Attenuator o Filter o Loss o Mixer You can use any type of devices by using one of the previous main types for example a whole PCB could be defined as an amplifier and the free space loss as a generic loss e Gain put here the gain value of the component keeping attention to use the value at the interested frequency 1 Analysis are made at single frequency i e you just have to define the component s parameters at the frequency you Mystic User Manual rev 0 6 8 e Noise Figure put here the NF2. Mystic User Manual Microwave System Calculator User Manual 2006 2015 M Tosti All rights reserved Products that are referred to in this document may be either trademarks and or registered trademarks of the respective owners The publisher and the author make no claim to these trademarks While every precaution has been taken in the preparation of this document the publisher and the author assume no responsibility for errors or omissions or for damages resulting from the use of information contained in this document or from the use of programs and source code that may accompany it In no event shall the publisher and the author be liable for any loss of profit or any other commercial damage caused or alleged to have been caused directly or indirectly by this document Table of Contents 1 Getting Stared srasni nnn cava nnnats 4 i E OAV AVIT RER tn Ron ARE iCal ee R 4 1 2 Gelling Starved With MY SUC eee dns donnee LE de lacra cette 4 e 1 3 Getting started with input data files 6 e 1 4 Getting started with output result analysis 7 e 1 5 Getting started with stage characterization 9 DESC ARIUS dd e Rca cumin tu 9 TIO PAT LACS LUE E LEO air A A AA i E E 9 BiG FIGE o ds do o e odes at 9 A cyateiavestelean dois veseh a e ni noisette er 10 155 CE PR TE a ea aE AE 10 2 Menu Command sun und 11 ZO Menthe A TCR AOU Re E ns Ree 11 Dre NOM a a A tient teed a a a dace ete od eta tales ES 11 ZN LOVATO entation 11 2 I 1
3. rev 0 6 20 TGA2576_2 FL_30v_1550mA s2p 30 I dB S 2 25 3 35 4 45 5 55 6 65 7 75 Frequency GHz Co TGA2576_2_FL_30v_1550mA s2p 25 30 5 35 40 45 50 55 60 65 70 75 dB No 25 3 35 4 45 5 55 6 65 7 75 Frequency GHz Co TGA2576_2_FL_30v_1550mA s2p No 25 3 35 4 45 5 55 6 65 7 75 Frequency GHz Co Figure 8 Mystic s2p file scattering parameters visualization Mystic User Manual rev 0 6 21 3 4 Details on visual linearity check One of the most appreciated Mystic s features is the visual linearity check In particular when calculating the system performance Mystic provides you with a linearity check instantaneously available to you by formatting stage line accordingly to the calculated distortion level see Table 3 This formatting is activated when P1dB 5 dB lt output power lt P1dB This formatting is activated when P1dB lt output power lt Psat P1dB 2 This formatting is activated when Psat P1dB 2 lt output power Table 3 Distortion formatting definition Figure 9 shows an example of linearity check Component Name Pin dBm Gain dB NF dB IP3 dBm Pout dBm Figure 9 Mystic visual linearity check on by stage output table Please note that triggers for formatting as described in Table 3 are not configurable but this feature is in the development queue Please note that Mys
4. 28 26 24 22 20 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Figure 6 Mystic compression and saturation modeling dBm both axis Mystic provides you with an effective way to check how your active devices are working By executing the working point check with Mystic see par 2 6 4 you get pictures like Figure 7 one for each active component The working point is indicated as well as the P1dB over the Pin Pout curve The user has this way a perfect control on linearity behavior at component s level and consequently at system level 2 The above 5 dB assumption is widely applicable in any case configuration of these parameters is an upcoming feature Mystic User Manual rev 0 6 19 Pout dBm eo P1dB Working point 10 5 0 5 10 15 20 25 Pin dBm Figure 7 Mystic working point check on active components 3 3 How to deal with S2P files Mystic supports reading s2p files and you can get advantages by this function two ways e just use Mystic as a reader for s2p files open s2p file to be able to fill component s gain cell in the description row of the input Mystic table S21 scattering parameter graph can be explored in order to get the right gain value at the required simulation frequency Figure 8 shows an example of the Mystic capability in graphing s2p files TGA2576 2 FL_30v_1550mA s2p 5 dB a 2 25 3 35 4 45 5 55 6 65 7 75 8 Frequency GHz Mystic User Manual
5. already done this for us just download the GALI5 Typical Performance Data pdf file From that we got data at 3 frequencies 2 3 GHz 2 5 GHz 2 7 GHz Vd 4 45 V Gain dB 17 85 17 48 17 12 Noise Figure dB 3 71 3 727 315 11P3 dB 10 88 10 57 10 28 P1dB dBm 15 65 15 13 14 36 Psat dBm 29 extrapolated by max ratings Table 2 Typical performance datasheet electrical measurements As you can see comparing Table 1 and Table 2 a significant difference is possible choose electrical values carefully From Table 2 is possible to build three different data files to be analyzed by Mystic one for each frequency we are interested lower mid and higher band point Mystic User Manual rev 0 6 18 3 2 How to deal with compression and saturation points When taking into account active components Mystic calculates the Pin Pout characteristic curve In particular Mystic makes the following hypothesis before and after the 1dB compression point pure linearity is assumed 5 dB before the input power corresponding to P1dB output saturation power is fixed 5 dB after P1dB only when Psat is not expressly defined in Mystic active component Psat field Figure 6 shows an example of the Mystic modeling of an active component see data txt PCB component Gain 5 dB P1dB 27 dBm Psat 30 5 dBm The 1dB compression at the 1dB compression point is highlighted by the green line 32 30
6. misusing this software you use at your own risk Mystic User Manual rev 0 6 25 5 Technical support 5 1 Bug reporting Before reporting errors please see the description of known problems and possible solutions on Mystic web site and upgrade to the latest Mystic version When reporting bugs please include Mystic version number select the About command on the Help menu 5 2 Updating to Mystic PRO Updates to the PRO version of Mystic are available by donating using Paypal see link on Mystic home page Any donation grants you free updates up to 2 years after date of donation Mystic PRO version is granted freely to universities and students 5 3 Contact Information Your comments suggestions and questions are always welcome Please send them to our e mail address help microwave system calculator com Mystic User Manual rev 0 6 Mystic Copyright 2006 2015 M Tosti All rights reserved
7. the row of the selected cell Shortcut Mystic User Manual rev 0 6 13 2 2 6 Select Column Selects the column of the selected cell Shortcut 2 2 7 Deselect All Deselects any selection active in the input table Shortcut 2 2 8 Cut to clipboard Cuts the current selection to clipboard Shortcut CTRL X at least one cell must be selected 2 2 9 Copy to clipboard Copies the current selection to clipboard Shortcut CTRL C at least one cell must be selected 2 2 10 Paste from clipboard Pastes clipboard content into current selection Shortcut CTRL V at least one cell must be selected 2 2 11 Delete Deletes current selection Shortcut 2 3 EditOutput Menu This menu has effect only on the output tables In particular the upper part of the menu affects the stage level table and the lower part the system level table 2 3 1 Select All Selects the whole output table for example in order to copy it on a txt file Shortcut CTRL A at least one cell must be selected 2 3 2 Deselect All Deselects any selection in the input table Shortcut 2 3 3 Copy to clipboard Copies the current selection to clipboard Shortcut CTRL C please note that if both output tables are selected only the first one stage level table will be copied Mystic User Manual rev 0 6 14 2 4 OpenS2P Menu 2 4 1 ViewS2Pfile Prompts for browsing for input S2P data file Shortcut 2 5 RUN Menu 2 5 1 Run Mystic Executes Myst
8. 1 A Pee ee ONT ie Re ton ier ee et ee Ae eee re 11 22 Editlnp t Ment rara da A A E A etats 11 2 2 V o A nn er ete Re re 11 252 A ASS nat en 11 2 2 9 Delete ROW pe raea A ERA atl ends E NANEN 11 2 2 4 SelectAll a A oti ea ct Seaton hs es 11 ZZ AP OCIS CL ROW O ann mu i easudeshcpanosteansetatersndad cars nantes tandis 11 A A A grandee nn nn Re 12 22 7 De Select AN REE E O aoe os oies 12 LLO CUL EO CIPD ON ri ER DA EA teinte nn 12 2 2 XCOPY 10 CIP lisis A 12 2210 Paste from clipboard bra rciaa 12 A A A ON 12 2 3 EditOntP t MENU a A aa 12 A tad a act eae Doe RS Ne is tin 12 29 2 DeselectAll dd 12 2 3 2 Copy tO CIDO tn A O 12 22 OpenS2P Me ds 13 A Meet re ee 13 e ZORUN Men iS 13 2 9 VRUM NISSAN iii 13 2 6 Options M nard E A AAA AA 13 2 0 1 Pr AN a a seman a a a a 13 ZO ZN PU MA cine AA Gwe T ee ee 13 2 6 3 Enable graphical output sun ia 13 2 6 4 Enable working point check 13 2 6 5 Enable Visual linearity Checo ansiada 13 LL Help Mentse A Aa aries ee ean ES ee 14 Mystic User Manual rev 0 6 3 Z oles WMADCGULMYS roce ra rte 14 3 QUICK HOW O0 iaa al toa etes eee 15 e 3 1 How to input a data Me aa O A ae na 15 3 2 How to deal with compression and saturation points 17 e 3 3 How to deal with S2P MGS 202 ste pcakdd na veicsn a cade dened aa seeattes 18 e 3 4 Details on visual linearity check 20 e 3 5 How to Save output ll A aS uae aed 20 3 9 DAVE o tp t table S
9. Under Component Name column double click on Component 2 and type the component s name loss 7 Under Component Type column double click on Double click me and select the component s type in this case Loss Gain field becomes editable 8 Fill in the gain field cell with the 3 value Let s define the input power to the just defined chain for example let s consider 20 dBm 9 Fill in input power cell 20 Mystic User Manual rev 0 6 17 Now check that your inputs are similar to Figure 5 and click on the Run menu button to see the results of Mystic analysis Mera system blood 00 Untitlade File Editinput EditOutput OpenS2P RUN Options Help Component Name Component Type Gain dB NF dB IIP3 dBm P1dB dBm Psat dBm Gali5 Amplifier 16 75 3 5 15 6 18 29 Loss Loss 3 Component3 Double click me Component4 Double click me ComponentS Double click me Component Double click me Componente Double click me Input Power dBm Input System Parameters 20 Figure 5 Amplifier in Mystic Let s suppose the just done analysis made by Mystic is promising and we want to make our analysis more precise in this case we have to provide Mystic with more precise values We have 2 choices 1 measure the parameters we need on component samples i e characterize it 2 collect the data we need asking to the component producer In case of GALI5 Minicircuit has
10. a negative value 1 5 5 Mixer As for amplifiers mixers are described in Mystic by Gain P1db and Psat but this time referring to the conversion gain Definition of the non linear performance is done by IIP3 Definition of the noise performance is done by NF Future developments include the introduction of system frequency response with the possibility of using s parameter files Please note that mixer component in mystic is an image rejecting mixer not image rejecting mixers are an upcoming feature Mystic User Manual rev 0 6 12 2 Menu commands 2 1 File Menu 2 1 1 New Generates a new clean input output table Shortcut CTRL N 2 1 2 Open Prompts for browsing for input data file Shortcut CTRL O 2 1 3 Save Saves input data to a file Shortcut CTRL S 2 1 4 Quit Quits mystic If unsaved data are detected a window prompt will ask the user for saving Shortcut CTRL Q 2 2 EditiInput Menu This menu has effect only on the input table 2 2 1 Edit Cell Edits selected cell value Shortcut F2 or double click 2 2 2 Insert Row Inserts a new row before the selected cell Shortcut Please use Editinput menu 2 2 3 Delete Row Deletes selected cell row Shortcut Please use Editinput menu 2 2 4 Select All Selects the whole input table for example in order to copy it on a txt file Shortcut CTRL A at least one cell must be selected 2 2 5 Select Row Selects
11. anual rev 0 6 5 1 Getting Started 1 1 Overview Microwave System Calculator is an easy to use program which provides you with a smart way to build your RF electronic designs fast and easy Microwave System Calculator is a system level tool this means that you can project your system using Microwave System Calculator and draw system specifications as well as component s requirements If you start your design and you make big efforts to get to a reliable simulation but later on you find out that there is something puzzling your project how will you proceed You d start it up again from the beginning This can t happen if you use Microwave System Calculator because it gives you the way to know if something is wrong during a very early stage at system level Finally some explanation about the Mystic short name it derives from the contraction of Microwave sYSTem Calculator 1 2 Getting started with Mystic Mystic work environment consists of two main windows The left window holds the input and output data tables o On the higher part of the window red box in Figure 1 you can edit the input file which describes the component chain constituting your system In this file you can define every component you want to use filling in the required system parameters for more details please refer to par 1 3 o On the lower part of the window the following outputs are calculated 1 output analysis results both at component stage blue bo
12. e is quite easy in Mystic It is just a matter to find the right information in the component s data sheets Let s see an example Let s suppose we would like to use in our design the Minicircuit GALI5 a surface mount monolithic amplifier Moreover let s suppose we want our circuit working in the frequency band foand 2 3 2 7 GHZ First we collect the data we need to characterize the component in Mystic So download the GALI5 data sheet from the Minicircuit web site and verify the following information we just extracted them from there taking 2 5 GHz as reference frequency i e the mid frequency range term Parameters Value 2 5 GHz Gain dB 16 75 Noise Figure dB 3 5 IIP3 dB 15 6 P1dB dBm 18 Psat dBm 29 extrapolated by max ratings Table 1 Generic datasheet electrical specifications In order to input this component in a data file follow the next steps 1 Run Mystic by clicking the start menu link 2 Click on File gt New 3 Under Component Name column double click on Component 1 and type the component s name Gali5 4 Under Component Type column double click on Double click me and select the component s type in this case Amplifier Several fields become editable 5 Fill in all the numbers in Table 1 in the corresponding Mystic cells by double clicking each cell Let s add for example also a 3 dB loss follow the next steps 6
13. ic Calculation is presented in the output tables and graphs are made Shortcut CTRL R 2 6 Options Menu Current available configuration options are the following 2 6 1 Preferences Menu to set the default start up folder Shortcut CTRL P 2 6 2 Input editable Enable disable input table editing This is useful to protect input data files by incidental typos Shortcut 2 6 3 Enable graphical output Enables disables graphical output This is useful when you want to make quick changes to the data file and check specific output parameters without having the graphical system overview to be generated Shortcut 2 6 4 Enable working point check Enables disables graphical active component working point check This is useful to check in which condition active components are working In particular you can check if the working point is in linear compression or saturation region Shortcut 2 6 5 Enable Visual linearity check Enables disables visual linearity check This is useful to check against linearity along the chain Output table is formatted in order to highlight non linear and saturated components Mystic User Manual rev 0 6 15 Shortcut 2 7 Help Menu 2 7 1 About Mystic Shows version information and Mystic loaded version Lite Pro It shows licensing information for Pro registered users Shortcut Mystic User Manual rev 0 6 3 Quick How to 3 1 How to input a data file Input a data fil
14. l performance is enabled TIP if you don t close plotted graphs after a mystic execution you can collect differences in system performance between an execution and another For example changing gain value of the PCB stage in the example file data txt you can get the results shown in Figure 3 before change and Figure 4 after change where the impact of 3 dB more gain are reflected on a better NF Microwave System Calculator data txt 22 5 21 5 20 5 dB 19 5 18 5 17 5 PCB transi Mixer PreAmp filter Driver Power loss Stage Figure 3 NF resulting from data txt example PCB stage at 5 dB gain Mystic User Manual rev 0 6 10 Microwave System Calculator data txt 22 5 21 5 20 5 dB 19 5 18 5 17 5 PCB transi Mixer PreAmp filter Driver Power loss Stage Figure 4 NF resulting from data txt example PCB stage at 8 dB gain 1 5 Getting started with stage characterization Components stages are described row by row by the declaration of their electrical performance Mystic builds its analysis starting from the component definition and it is quite important to fully understand each component characteristic In Mystic this is quite easy to achieve because the component definition is tied just to the essential component parameters here after described All these parameters are usually provided in the component data sheet see also paragraph 3 1 for further details 1 5 1 Amplifier An amplifier or a
15. ny other active component with compression saturation effect is described in Mystic by its AM AM curve Definition of the AM AM curve is done by Gain P1db and Psat user definition under the assumptions as described in paragraph 3 2 Definition of the non linear performance is done by IIP3 user definition Definition of the noise performance is done by NF user definition Future developments include the introduction of system frequency response with the possibility of using s parameter files as input 1 5 2 Attenuator An attenuator or any other passive matched component is described in Mystic by Gain user definition Of course gain for passive components means a negative value Attenuator differs from generic Loss component for its intrinsic matching capability Please note that Mystic does not consider un matching effects yet 1 5 3 Filter Filters are described in Mystic just by Gain user definition Of course gain for passive components implies a negative value Mystic User Manual rev 0 6 11 Future Mystic development includes introduction of system frequency response with the possibility of using s parameter files or filter definitions in terms of type chebyshev butterworth etc order and frequency 1 5 4 Loss A loss component or any other passive not matched component is described in Mystic by Gain user definition Of course gain for passive components means
16. osecution You are specifically prohibited from e Charging or requesting donations for any copies however made e Distributing the software and or documentation in whole or in part with other products commercial or otherwise without prior a written permission e Distributing or publishing registration key file or key generator software designed to circumvent the registration process 4 1 Mystic CL Command Line version Microwave System Calculator CL is freeware that means that this product may be used free of charge by individuals no profit organizations commercial organizations and government agencies for non commercial or commercial uses Please note that this version of Mystic is discontinued 4 2 Mystic Lite Microwave System Calculator Lite is freeware that means that this product may be used free of charge by individuals no profit organizations commercial organizations and government agencies for non commercial or commercial uses 4 3 Mystic Pro By donating you will be sent a registration key file which will unlock additional features and remove any software limitations Microwave System Calculator PRO version can not be freely distributed Mystic User Manual rev 0 6 24 4 4 Disclaimer of Warranty Microwave System Calculator is distributed as is No warranty of any kind is expressed or implied The author will not be liable for data loss damages loss of profits or any other kind of loss while using or
17. ponents stages are analyzed row by row and the calculation of their electrical performance is provided In particular each row of this data output panel blue box describes a stage of your line up by the following electrical parameters e Pin input power to the current component stage This is especially useful to check when component s linearity must be guaranteed e Gain cumulative gain up to the current component stage e Noise Figure cumulative NF up to the current component stage Input IP3 cumulative IIP3 up to the current component stage e Pout output power of the current component stage At system level the following parameters related to the whole system are provided e Pin input power to the whole system user input e Gain whole system gain Pout whole system output power e Noise Figure whole system NF e IM3 whole system IM3 calculated both at the input and at the output IM3 product are interested to have a look at component data sheet for help Use of s2p files as data input for component stage definition is under development allowing in future Mystic version analysis over frequency Mystic User Manual rev 0 6 9 relative to the power signal level dB below carrier is provided too IP3 whole system IP3 calculated both at the input and the output At stage level by plots electrical performance calculated at stage level are plotted Observation of the impact of the different component stage on the overal
18. r essaient as eu bin danza cia 21 3 5 2 EXPO Output PICS a 21 O TOW TO PAN ae 21 4 Mystic versions and license details 22 e 4 1 Mystic CL Command Line version 22 OA MY SO LING a TR A da 22 A A nee dade tetas 22 4 4 Disclaimer of Warrants sas tant eat ptet AE One cel ein enti awl 23 5 Technical SUPDOF e ee es 24 Du BUG TEPONING oe RER he tn nd ara eE ai 24 52 Updating to Mystic PRO ne asas tad 24 0 39 COMEACE IN OrmaAtiO A an 24 Mystic User Manual rev 0 6 4 Illustration Index Figure 1 Mystic main WINDOW cai ii 5 Figure 2 Mystic output displayed by GPlOt 2 2 cccesecccdeecceeceteseededeccnenneeeseeedenetannsaeertennee 6 Figure 3 NF resulting from data txt example PCB stage at 5 dB gain 8 Figure 4 NF resulting from data txt example PCB stage at 8 dB gain 9 Figure 5 Amplifier IMSS A A RA Id RA AR 16 Figure 6 Mystic compression and saturation modeling dBm both axis 17 Figure 7 Mystic working point check on active components 18 Figure 8 Mystic s2p file scattering parameters visualization 19 Figure 9 Mystic visual linearity check on by stage output table 20 Index of Tables Table 1 Generic datasheet electrical specifications 15 Table 2 Typical performance datasheet electrical measurements 16 Table 3 Distortion formatting definition 20 Mystic User M
19. tic lite version checks linearity only of the first active component of the chain 3 5 How to save output data To be written Mystic User Manual rev 0 6 22 3 5 1 Save output tables 3 5 2 Export output pictures 3 6 How to print To be written Mystic User Manual rev 0 6 23 4 Mystic versions and license details Please read carefully the following terms and conditions before using this software Your use of this software indicates your acceptance of this license agreement and warranty Microwave System Calculator CL and Lite version may be freely distributed as long as the distribution package is not modified A copy of this Agreement must be included with each copy of Microwave System Calculator Any distributor may not remove or alter any copyright notices contained within the Program or archive containing the program No person or company may charge a fee for the distribution of Microwave System Calculator If you are aware of any unauthorized third party distributing Microwave System Calculator and or charging a fee for this software please report such violations to your consumer protection authorities You may not rent lease sell the program to any third party You may not modify decompile emulate clone disassemble or reverse engineer the program or any subset of the program Any such unauthorized use shall result in immediate and automatic termination of this license and may result in criminal and or civil pr
20. value of the related component keeping attention to use the value at the interested frequency IP3 put here the IIP3 value of the related component keeping attention to use the value at the interested frequency By the way IIP3 OIP3 gain P1dB put here the P1dB value of the related component e Psat put here the Psat value of the related component Of course Mystic editor allows you to define your components or subsystems in a very driven way asking you only those parameters required for the component type you have selected In the installation path and opened by default by Mystic there is the file data txt It is a good example to start from and provides you with a generic transmitter design Data files are provided as txt file not encoded or binary written This is done to support the smart editing browsing of the project by the user for example you don t need to open Mystic only to know what s inside your data files Anyway YOU RE STRONGLY SUGGESTED NOT EDITING your data files MANUALLY even if it is possible paying attention to blind characters Please note that it s not possible to use the same component stage name twice 1 4 Getting started with output result analysis Mystic output is provided in 3 different ways e output table at stage level see blue box in Figure 1 e output table at system level see green box in Figure 1 e output plots related to main output quantities see Figure 2 At stage level com
21. x and system level green box 2 error messages status bar e The right window is the graphical representation of the main system parameters see Figure 2 Graphical output is provided by the use of the software dPlot jr After analysis you can decide to close this window and to get new graphs or to leave it opened so you can check performance changes resulting from your latest ones in the input data file for more details please refer to par 1 4 Mystic User Manual rev 0 6 6 _ Piero Wave Syston Galen bit 1 01 BAR File EditInput _EditQutput Options RUN Help Component Name Component Type Gain I Ta E IIP3 dBm PidB Psat dBm TT PCB transition Mixer Amplifier 17 52 10 06 Loss 0 3 Mixer a 4 05 PreAmp Amplifier 19 22 q pre 13 2 Filter Filter Driver Amplifier 19 74 23 376 Power Amplifier pY 26 87 System Parameters Input Table PCB transition Mixer PreAmp Filter Driver Power Pin dBm Gain dB Pout dBm Mystic User Manual rev 0 6 stem 20 00 dBc u 30 92 1 leve M3 dBm IIP3 dBm OIP3 dBm Figure 1 Mystic main window Efe Edt Jet Options fo Yew Window Let dea Af YY Us BHAA MicroWave System Calculator c MicroWave System Calculator c gain 215 H NF dB PCB trans Mixer PreAmp filter Driver Power Stage MicroWave System Calculator c t2 15 101 IIP3 Pout E 8 PARA E 5 oc
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