MICRF6x0 User Manual for RF TestBench sw v8.1
Contents
1. 5 BitSync_ckS 6 BiRate ckS 2 Refik K 13 _ ScCk 2 XCOtune fie Tx Ax so o wo 590 550 160 160 Ax o po sso 580 Control Word Mi 160 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 Calc mec Ye PST TE EE TTT Tr Fe Tr TOT ait MIEREL 4 Micrel Norway AS 10 User Manual for RF TestBench sw v8 1 Input fields Wanted RF centre frequency o Enter the RF centre frequency in MHz This will be the frequency used in receive mode Wanted Bitrate o Enter the wanted on the air bit rate This is also referred to as number of signal elements second Note Based on the Wanted Bitrate the program will set the type of modulation Wanted Single Sided Frequency Deviation o Enter the single sided deviation in KHz The frequency for transmitting a 0 will be the Wanted RF Frequency Wanted Deviation and the frequency for transmitting a 1 will be Wanted RF Frequency Wanted Deviation Calc and Transfer Buttons When Calc or Transfer is pressed then the wanted settings are used to construct the control word In addition several other fields will be used in the calculations for a first time use keep these unchanged The selected RF Device determines the default settings and the formulas for constructing the RF frequencies Make2. Select MICRF505 if you are working with the MICRF505 chip y This chip can be operated Cae SC by JD Jin the 868MH2 or S15MH2 Transfer PALby D band Mod A M 5 BitSync_ckS 5 BitRate_ckS 2 _ 13 Sek 2 XCOtune 16 eo Mi 160 fiso 02 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19120121 VARA oe Too os c2 79 us aE aE 00 85 09 Traster MICAEL i _ 4 za Frequency dividers for Transmit and Receive mode Micrel Norway AS 16 User Manual for RF TestBench sw v8 1 3 5 Control Word Here you can update complete registers in the control word and calculate the resulting frequencies etc Note the difference from Complete Setup In Control Word you typically change several fields in one operation It is possible to change all bits including fixed bits by entering the address and value directly However unused bits are not editable Example To set the value in register equal to Ox1F Enter OA in the address field enter 1F in the value field Then press the Calc button the one in the Control Word area of the main window By pointing to a register address Reg the Information area will be updated Y
3. p REDD CP Hi 0 Present Xtal Calc SC by 0 16 00MHz PA by 0 Present Frf Receive outs o 915 000000MHz T L Present Comp VCO IB 1 100kHz JI VCO_freq 2 Dev Mod F 4 Present SC Cutoff Mod I 3 200kHz Mod 1 B T resent BitRate lcs Mod ck 5 38462bps gt Fra BitSync_clkS 6 br BitRate_ckS 2 p RefCIk K 13 5 2 XCOtune 16 Tx Ap 10 10 1590 590 160 160 fo 110 Ni 590 590 Control Word Mi 150 160 Reg 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 Calc 0 je 7o oe foo 11 sc 70 o2 4E Ao 04 o2 4 85 00 Transfer 2 Micrel Norway AS 12 User Manual for RF TestBench sw v8 1 Tolerance When calculating the control word it may be that the Wanted values are not completely found The tolerances used in the calculations are adjustable select gt RF TestBench gt Advanced Quick Setup Do not change these values until you are familiar with RF TestBench and the RF part Hint 1 Use the Complete Setup window to fine tune the parameters Hint 2 If you can accept a higher tolerance than the program uses try to change the Wanted parameters and calculate again Hint 3 Consider using another xtal frequency if the achieved results are not close enough to your Wanted values
4. Output Fields Always consider any output from RF TestBench a suggestion only e Achieved RF Frequency o This will be the achieved frequency used in receive mode e Achieved Bit rate o Achieved on the air bit rate e Achieved Deviation In Quick Setup the program determines the modulation type based on the bitrate o If VCO modulation is selected bitrate gt 20kbps Achieved Deviation is the achieved single sided deviation o If Internal modulation switching between two sets of A N M dividers is selected bitrate lt 20kbps Achieved Deviation is the middle of the txO and tx1 frequency deviation If the additional fields are visible e Achieved Comparison Frequency In Quick Setup the program determines the modulation type based on the bitrate o If VCO modulation is selected bitrate gt 20kbps Achieved Comparison Frequency is the achieved comp frequency o If Internal modulation switching between two sets of A N M dividers is selected bitrate lt 20kbps Achieved Comparison Frequency is the in the middle value of comp freq for rx txO and 1 e Achieved SC Cutoff o Achieved switch capacitor filter cut off frequency Micrel Norway AS 13 User Manual for RF TestBench sw v8 1 Store and restore values It is possible to store and restore the present value of the control word Use gt File gt Open or gt File gt Save As from the menu in the main window The file will be sto
5. button to use the XCO tune value from this dialog in the Quick and Complete dialogs Micrel Norway AS 23 User Manual for RF TestBench sw v8 1 Please refer to the MICRF505 MICRF506 manual for details on the FEE Before using this feature e Please read the MICRF505 MICRF506 user manual e Set the development board in rx on the wanted frequency and bit rate Use Quick Setup or Complete Setup press Transfer e Apply a tx signal use another development board or a signal generator 4 5 TestBench Advanced Quick Setup Here you can change the tolerances and several default values Please read the text in the window Note The Advanced Options window may look different from the picture below Advanced options for Quick Setup Here you can change some of the parameters used to calculate the control word in Quick Setup By pressing the Update button the Comparison Frequency ine will be used in Quick Setup 505 506 mod 100 kHz calculations The values 505 506 2 set 500 kHz are used until RF mod TestBench is closed starting with default MICRF600 500 kHz 2 set ANM mod is assumed values next time RF TestBench is started MICRF610 800 kHz 2 set N M mod is assumed MICRF620 500 kHz 2 set N M mod is assumed Tolerance 25 25 IRF tolerance Tolerance 200 kHz E 200 kHz Deviation tolerance Update Reset to Tole
6. 26 4 10 Loop Filter Find 2nd Order lauds 26 4 11 2 Filter Find 3rd Order doi vea gae tree qui berto denies 27 4 12 ONL S etaed Deas 28 4 13 gt Deviation Deviation Select Help essere 28 Changes in this SW VERSION cease so eoruni VAM RR n ET Me safe ERU S QUO RU Ne Dus ds 29 Micrel Norway AS 1 User Manual for RF TestBench sw v8 1 1 Introduction This document MICRF505 MICRF506 MICRF6x0 User Manual for RF TestBench describes how to set up and use RF TestBench For details on the MICRF505 MICRF506 transceiver or the MICRF505 MICRF506 MICRF6x0 development system Please refer to the appropriate data sheet For the latest updates visit www micrel com RF TestBench v8 1 can be used with the following development systems MICRF505 MICRF506 MICRF600 MICRF610 MICRF620 The RF TestBench should be self explaining Use this document as a reference it is not necessary to read it through before starting to use RF TestBench Note however that some features require a special FW version firmware micro controller program You can use the Get FW version command to get the present FW version of your board refer to text below If you do not have the latest or wanted version please go to www micrel com for a free download Also note Any calculated value in this program should be considered a suggestion When transferred to a spec
7. sure the correct RF part is selected The selected Crystal Frequency This is used in the formulas The fields in the control word that are not calc ed in Quick Setup are collected from Complete Setup Examples LNA_by PA Sync_en Mode Load_en From the main menu some advanced settings can be made Select gt RF TestBench gt Advanced Quick Setup For example you can change the tolerances used when calculating the frequencies the target will always be the Wanted Settings when the blue Calc button is pressed If you are using a development board then you can use the Transfer button to transfer the resulting control word to the development board After you have pressed Calc or Transfer in Quick Setup then all fields will be updated The Achieved fields in Quick Setup will show the results In Complete Setup all field values are updated The fields that changed value are shown in red In Control Word all register values are updated The registers that changed value are shown in red In Information you will get the resulting frequencies etc Micrel Norway AS 11 User Manual for RF TestBench sw v8 1 More button If you press the More button then 2 additional settings are displayed These are e Wanted Comparison frequency o Enterthe wanted comparison frequency in kHz here e Wanted Switch cap cut off frequency o Enter
8. 0 8 kHz Wanted Loop Bandwidth Determine Component Values phi_p 56 degrees Wanted Phase Margin 2nd Order Filter Determine Bandwidth Phase margin 10 7 nF 1042 nF 62 kOhm NC nF 0 000 kOhm RFYDD WWWNNNNSE Seas n Co CO CO 00 0 On CO Values used in a standard E24 series Micrel Norway AS 26 User Manual for RF TestBench sw v8 1 4 11 Loop Filter 3rd Order Enter parameters and calculate components or Enter component values and determine bandwidth and phase margin set Attenuation 0 if calc ing Bandwidth and Phase Margin The standard E24 series is included to show available component values In addition a drawing of the loop filter is shown Note the achieved results with the given components In the figure below loop filter components are entered then the Determine Bandwidth Phase Margin button is pressed In this case the 3 read only fields are not updated Calculate Loop Filter Components 3rd order Input Parameters K VCO 85 MHzV Modulation Input Gain phi 0 125 m Charge Pump Current opt 315 MHz RF Frequency to Optimize Loop Filter ref 500 kHz Comparison Frequency Bandwidth 12 2 kHz Wanted Loop Bandwidth phi p 70 degrees Wanted Phase Margin Determine Component Values Attenuation 0 dB Attenuation Input for 3rd Order Filter 3rd Order Filter E24 Attenuation a
9. 1 3 Main window The Main Window is the window that pops up after you have read the welcome message and pressed the OK button in the Welcome window Starting from v 8 1 the Main Window is completely re organised Here you will find Select Information Quick Setup Complete Setup Control Word Schematics These items are described in detail below In addition to these features the Main Window holds a menu The menu items of RF TestBench are described in the next section 3 1 Select In the Select area you select e RF Device e Crystal Frequency e Dev Board Connection Refer to the text below RF Device This is where the MICRF505 or MICRF506 chip or a MICRF6x0 RF module is selected If you are using a development board dev board Always select the part mounted on the dev board You don t have to use a dev board you can use this program as a Stand alone program without connecting your computer to a development board Note that the selected RF part determines the default settings For example if MICRF505 is selected then the default bit rate is set to 38462bps If MICRF600 15 selected then the default bit rate is 19231 bps For a complete list of default settings simply select a RF part and look at the settings in Quick Setup and Complete Setup Micrel Norway AS 7 User Manual for RF TestBench sw v8 1 All settings are reset to d
10. MICRFS505 MICRF506 MICRF6x0 User Manual for RF TestBench Micrel Norway AS Strandveien 13 1366 LYSAKER Norway Tel 47 67 83 08 00 Fax 47 67 83 08 10 User Manual for RF TestBench sw v8 1 Table of contents 1 2 3 4 5 ERS 2 Install RE TeStBe is edt qt iSt y ae M ue det 5 M in Window ipd ette eR tse entier Fu dada Kou n delia e cfe Md Le 7 Su 7 3 2 MOMAN reene teet v EHE aee t Tego 9 3 3 Quick 10 S 15 SEERNE a 17 3 06 IE 19 Menu items and dialog boxes ote peer IST Vrae dana erste ie EET Ub ei Be Pe Roe 19 Zu XRIETeSIBenl ache vet Gangs ax asse ded REG en 19 4 2 RF TestBench Development Board Commands 20 4 3 IRF TestBench Bit Error Rate tds 22 44 RF TestBench Frequency Error Estimator esse 23 4 5 RF TestBench gt Advanced Quick Setup sese 24 4 6 Calculate A N M 25 47 Calculate A N Mo Find 1 n frequencies using modulator 25 4 8 Calculate A Mo Find 1 n frequencies using two sets of dividers 25 29 gt Filter conc conoci p xia as ines E
11. TestBench sw v8 1 3 6 Schematics In the Schematics area you will get a typical application circuit If you have selected MICRF505 MICRF506 e By pressing the push button you will maximize the schematics This is achieved by double clicking in the schematics area as well e From the maximized schematics you can select to print the drawing Observe the paper orientation use Landscape e In the main window by clicking in the schematics area you will get a list of suggested component values in the Information area If you have selected MICRF6x0 e The schematics will show a simple application drawing without any component suggestions e All components are on board 4 Menu items and dialog boxes In the following the menu items and dialog boxes will be described A menu item is always preceded with gt in the text below 4 1 2RF TestBench This is where you can give commands to the development board or use some of the special features like bit error rate calculator Micrel Norway AS 19 User Manual for RF TestBench sw v8 1 IRF TestBench 30M Calculate 4 N M Loop Filter Deviation Help About Ci Commands to Dev Board Quick Setup Bit Error Rate Wanted Achieved Frequency Error Estimator RF anie amery 315 000000 MHz 915 000000 MHz _ cas Transfer Les Advanced Quick Setup Additional Settin
12. cy MHz 915 204 kHz Includes Initial ppm Temperature drift and Aging Note that the resulting beta will be higher than the input The entered beta is considers a minimum beta Micrel Norway AS 28 User Manual for RF TestBench sw v8 1 5 Changes in this sw version NOTE The list below is simply a randomly ordered list of changes updates from version 07 2005 12 19 PKB New Installation procedure double click setup exe Completely re organised main window Schematics and component suggestions In Loop filter calculator Possible to input component values and calculate the resulting bandwidth and phase margin Micrel Norway AS 29
13. d firmware versions will support this feature Before starting please make sure e Make sure the dev Board is in receive mode This can be done via the Complete Setup feature from the main window e Make sure a transmitter is present and transmitting 1010 at the correct frequency with the correct deviation and so on As a starting point use another development board to transmit 1010 Start e Press the Start button and observe the results Note the time delay between pressing the Start button and the update of the fields Note e Inthe micro controller the BER procedure will read bytes of the received RF input If the byte is equal to 10101010 or 01010101 then it is OK and 0 errors are detected If any other byte value is read it will be counted as 1 error Stop e The BER procedure in the micro will stop if the Stop button is pressed or if any other command is given to the development board 4 4 DRF TestBench DFrequency Error Estimator This feature requires FW v2 or later The Frequency Error Estimator window pops up Please read all the text in this window This feature requires the use of a development board NOTE Not all development board firmware versions will support this feature Read the FEE value by pressing the Read button or by stepping XCO tune value up down Pressing the Tune button will start a process to get the best XCO tune value Press the Keep
14. e development board to use the control word stored in FLASH program memory of the micro controller This is identical to the Default settings e Use EEP o Instruct the development board to use the control word stored in EEPROM of the micro controller The user entered control word stored in EEPROM is used in RF test modes 2 way link test mode and simple byte transfer mode e Get Source o Find out if the board will use the FLASH or the EEPROM memory i e the default and the user entered control words respectively Output fields e FW version o Present firmware version micro controller program FW version 99 is used for test programs e Control word read from EEPROM o Presently EEPROM stored control word e Source is o FLASH or EEPROM will be displayed e Transfer Status o Messages related to the transfer of commands are displayed here After pressing Transfer Waiting will be displayed If no response from board Waiting will continue to be displayed If response from board is received Success or Error will be displayed If Error Please test communication cable power DIP switch setting and jumpers 4 3 TestBench Bit Error Rate This feature requires FW v 4 or later Micrel Norway AS 22 User Manual for RF TestBench sw v8 1 The Bit Error Rate 1010 test window pops up This feature requires the use of a development board NOTE Not all development boar
15. efault if a new RF part is selected or if the already selected part is selected again Example You have selected MICRF505 initially Then after you have made several changes you might want to reset the settings to their default state You can do this by selecting MICRFS505 again Whenever you select a RF device the Information window is updated The schematic is updated as well observe If you select a MICRF6x0 RF module then there are no external components and a simple application drawing is shown If you have selected MICRF505 or 506 then you can click in the schematics to get suggested component values in the Information area The presently selected RF part is always shown in the Select area Firmware requirements dev board micro controller program e 505 all fw versions e MICRFS506 this feature requires FW v2 or later e MICRF600 this feature requires FW or later e MICRF610 this feature requires FW v4 or later e MICRF620 this feature requires FW v4 or later Crystal Frequency This is where you select the xtal to use with the RF part observe that the MICRF6x0 RF modules have an on board xtal In many applications a micro controller MCU is used to control the RF part The MCU may have it s own xtal Note that the xtal you select in the RF TestBench program is the one connected to the RF part Dev Board Connection This is where you select the connection t
16. equires FW v4 or later e Frequency Error Estimator FEE Read out the FEE for different XCO tune values or find the best XCO tune value automatically this feature requires FW v2 or later e Calculate the A N M frequency dividers Find 1 or several frequencies or set of frequencies e Loop filter Find values of external components for the loop filter e Deviation help Get suggestions for minimum deviation and filter settings based on RF frequency xtal tolerance etc Micrel Norway AS 4 User Manual for RF TestBench sw v8 1 2 Install RF TestBench The installation of RF TestBench is straightforward e Double click Setup exe and follow the on screen instructions e Note This program requires NET Framework Microsoft to be installed If this is not installed on your computer you will get a message when you start the installation You will be asked if you want to download and install the program dotnetfx exe Please do To start RF TestBench e Click the Start button on the Windows taskbar click Programs and then click RF TestBench e When the program starts a welcome message is displayed Please read it and then press the OK button Then the main window will be displayed First step e s an initial step make sure to select the correct RF device in the Select part of the main window refer to figure below Observe the text in the Information part which is changed when a new part is
17. gs If Visible Overrules Default Settings Mode 2 T 16000000 MHz Bitrate 38462 bps 38462 bps eee 20kH Load 1 Dev Board Connection m NOPORT ege 105 kHz 105 kHz ee 100 JEDE RSSI en en f1 Select MICRF505 if you CPH fo m Schw O ins Belts or Sue Transfer PA by jo band outs a P VCO_freq Mod 3 fT Mod ckS 5 BitSync_ckS 6 BitRate_ckS 2 RefCk_k 13 gt XCOtune 15 Tx Rx ax fo No 580 50 60 fio fio 590 530 Control Word 160 160 Regi 02 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 Yar aT Ea TTT MICAEL 4 2 HyperTerminal ial User manual for RF The menu items in RF TestBench are described below 4 2 DRF TestBench gt Commands to Dev Board The Commands to Development Board window pops up Micrel Norway AS 20 User Manual for RF TestBench sw v8 1 Commands to Development Board Transfer Status no action Startto transmit a 1010 pattern The board will be setto tansmit T 1010 TE Startto transmit arandom manchester coded pattern The board will setto transmitmode Get Pw version not read yet Read the FW version from the board Reset uC Restart uC program execute
18. ific application always test the RF performance From v8 1 the program also suggests component values like loop filter and antenna matching components Note that these values are suggestions only always test in your own application Important New features are continuously added to RF TestBench If a feature requires a special FW version micro controller program That FW version is explicit mentioned Outline of this document Following this introduction an Installation chapter is given Then the different menu items and dialog boxes are described Observe that MICRF6x0 in this document is short term for MICRF600 MICRF610 MICRF620 Finally the updates in this sw version are listed Note Screenshots of several but not all windows are included Purpose of the RF TestBench RF TestBench can be used with or without a development board Users of MICRF505 MICRF506 radio transceiver can use the RF TestBench to calculate fields in the control word to enter into the RF chip Typical examples are Micrel Norway AS 2 User Manual for RF TestBench sw v8 1 Get the complete 22 byte long control word to enter into the RF chip e Get the M N dividers for a specific frequency or a set of frequencies Get the I Mod_clkS and RefClk_K values for a specific deviation e Get the resulting deviation bit rate etc for a specific set of parameters Get component values to u
19. ngle Sided 105 kHz 105 kHz Frequency Deviation Reg 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 18 20 21 Calc Tn Te 8 Ter pfe n 4 Micrel Norway AS User Manual for RF TestBench sw v8 1 e Quick Setup Enter parameters like wanted bit rate and RF frequency Then see what the fields in the control word should be Transfer control word to development board where it is stored in EEPROM The user is encouraged to start here e Complete Setup Enter fields in the control word Then see the resulting bit rate deviation etc Transfer control word to development board where it is stored in EEPROM e Control Word Enter complete register values which typically covers several fields of the control word Then see the resulting bit rate deviation etc Transfer control word to development board where it is stored in EEPROM e Commands to development board The set of commands to the board includes start to transmit 1010 get firmware version restart micro controller reset EEPROM and read EEPROM e Bit Error Rate BER Apply a 1010 pattern from an external source and read out the number of bits read the number of bits in error and the resulting bit error rate a 1010 bit pattern not a random bit pattern is applied However this test still gives an indication of the bit error level This feature r
20. o the dev board and connects to the dev board If you are not using a dev board then select NO PORT Else select COMi where 1 1 2 3 or 4 Note By selecting NO PORT you close the presently selected port that is The port can be used by another program you want to run at the same time If the port can t be opened you will get a message Micrel Norway AS 8 User Manual for RF TestBench sw v8 1 Before connecting to a dev board make sure all cables are in place and that the correct DIP settings are made on the dev board refer to Dev board user manual 3 2 Information In the Information area the program prints information about e The presently selected RF device when a RF part is selected and e The fields in the control word when you point to the name of a field in Complete Setup and e All fields in a register when you point to the register address in Control Word and e Suggested component values for MICRF505 MICRFS506 when you click at the schematics and e Maybe most important Calculated resulting frequencies bitrates etc when a Calc or Transfer button is pressed The user is encouraged to explore all these features and to use them frequently Note that the old information is over written when new information is shown You can print out the contents of the Information field whenever you want From the menu in the main window select File P
21. ou will get the following info e General info about fixed fields this information is common for all registers even if the selected register does not have any fixed bits e Bit by bit info for the selected register Example By pointing to register address 00 you get the following information Note Fixed fields are also included The fixed fields are not described in the data sheet or in this program Always maintain these bits to their fixed value 0 Bit7 By_LNA Bit6 PA2 Bit5 PAI Bit4 PAO Bit3 Sync en Bit2 Model Bitl ModeO Load en When pressing the Calc or Transfer button in the Control Word area the control word will be calc ed and all fields Quick Setup Complete Setup and Information are updated Always make sure that all frequency dividers gt 0 A dividers can be 0 but for simplicity It is suggested to keep all dividers gt 0 Setting an N divider and or an M divider equal to 0 will result in chip lock Like the Quick Setup and Complete Setup features you can e Store Restore control word values e Print Information field e Reset to default e Transfer to development board Micrel Norway AS 17 User Manual for RF TestBench sw v8 1 Refer to Quick Setup for a description of these features If a register value is changed after pressing any Calc or Transfer button then the value will be displa
22. rance 10 10 Default SwichCap cutoff The minimum Sallen Key and SwitchCap cutoff frequency is set to 2 Total PPM RF Freq Min Filter Min Deviation 1 0e6 2 Min Deviation RF Freq and BitRate are user inputs Total PPM can be adjusted Total PPM 40 ppm Micrel Norway AS 24 User Manual for RF TestBench sw v8 1 4 6 2Calculate A This is an aid for determining frequency dividers You can use the Quick Setup as well to find 1 frequency frequency set Note that the tolerances in the Quick Setup dialog are fixed while they are adjustable here This may give slightly different results Experiment with tolerances etc to get the frequency set you want Frequencies are calculated based on the following priorities 1 As close to the RF frequency as possible 2 As close to the comparison frequency as possible 3 IfaRF frequency is not a 100 hit it must improve the best RF frequency found with gt 1kHz or else the one with the highest comparison frequency is used Please make sure that the correct RF dewvice and crystal frequency are selected in the main window before using these calculators 4 7 Calculate A M Find 1 n frequencies using modulator The Calculate frequency dividers A N M Use modulator window pops up 1 or a number of frequencies can be calculated Fill in wanted frequencies etc and press the Calc menu item Then see the results It
23. red as a txt file Hint Storing Save As the present control word is a handy way to export the control word to e g another user of RF TestBench or when requesting support Then the other User can restore Open the file to get the same values into RF TestBench assuming equal RF Device and Crystal Frequency Reset to Default values Simply re select the RF part and the default values will be used values equal to program start up values Micrel Norway AS 14 User Manual for RF TestBench sw v8 1 3 4 Complete Setup Here you can update fields in the control word and calculate the resulting frequencies etc Note the difference from Quick Setup Instead of trying to match the Wanted Settings the program now calculates frequencies etc based on the field values By pointing to a field name the Information area will be updated You will get the following info e Register address and bit position e A more descriptive name e The range of legal values for the field Example By pointing to the field name you get the following information Mode Reg0 Bit2 1 Mode of operation 0 Power Down 1 Standby 2 Receive 3 Transmit When pressing the Calc or Transfer button in the Complete Setup area the control word will be calc ed and all fields Quick Setup Control Word and I nformation are updated Note the Tx set and the Rx set of frequency di
24. rint Information Micrel Norway AS User Manual for RF TestBench sw v8 1 3 3 Quick Setup This is the suggested starting point after you have selected a RF part Simply make your inputs Wanted input fields and press the blue Calc button Observe the 3 blue buttons described in detail below e Calc e Transfer e More Observe the 3 input fields below Wanted described in detail below RF centre frequency RX frequency e Bitrate e RF Single Sided Frequency Deviation Observe the 3 read only fields below Achieved which corresponds to the Wanted fields Wanted Achieved Quick Setup area input fields output fields JUS RF TestBench File RF TestBench Calculate A N M LoopFiler Deviation Complete Setup Select Quick Setup LNA by 0 RF Device Wanted Achieved F MICRF505 BE cet reaver 315 00000 MHz 915 000000 MHz Locas _ Sync en 1 Crystal Frequency Mode 16 000000 MHz Bitrate 38462 bps 38462 bps Load en n Dev Board Connection RF Single Sided Modulation 0 Frequency Deviation 105 kHz 105 kHz RSSI en Information en T Select MICRFSOS if you PF_FC EN are working with the MICRF505 chip CP Hi sche Transfer P by o band ours D ft I 4 3 Mod A M
25. s as after a power on Reset Resetthe controlword stored in EEPROM to the default controword EEPROM i e to the one stored in uC s program memory Er AL L not read yet Source Select source of where to get the RF controlword Select the Default controlword the one stored in uC s FLASH program memory or the controlword stored in the uC s EEPROM Referto the User Manual forthe board as well Use FLASH Use EEPROM Get Source not read yet Push Buttons e TX1010 o Start to transmit a 1010 pattern Transmit mode will be entered over ruling the entered control word Modulation will stop if another command is given e TX Random this feature requires FW v3 or later o Start to transmit a random Manchester coded pattern Transmit mode will be entered over ruling the entered control word Modulation will stop if another command is given Micrel Norway AS 21 User Manual for RF TestBench sw v8 1 e Get FW v o Get the firmware version of the program presently in the micro controller New features may be added to new versions of the firmware Make sure your firmware version supports the features you want to use in RF TestBench if a feature requires a special FW version It is described with the feature in this manual e Reset uC o Restart micro controller e Reset EEP o Fill EEPROM with default settings of the control word e Read EEP o Read the presently stored EEPROM control word e Use FLASH o Instruct th
26. s possible to store the results in a txt file Use the gt File gt Save As menu item from the menu in the calculator window not the main window Note that new results over write the old ones in the window 4 8 Calculate A M Find 1 n frequencies using two sets of dividers The Calculate frequency dividers A N M Use two sets of dividers window pops up 1 or a number of frequency sets can be calculated Fill in wanted frequencies etc and press the Calc menu item See the results It s possible to store the results in a txt file Use the File gt Save As menu item from the menu in the calculator window not the main window Note that new results over write the old ones in the window Micrel Norway AS 25 User Manual for RF TestBench sw v8 1 4 9 Loop Filter This can be used as an aid when determining component values of the external loop filter 4 10 Loop Filter 2nd Order Enter parameters and calculate components or Enter component values and determine bandwidth and phase margin The standard E24 series is included to show available component values In addition a drawing of the loop filter is shown Calculate Loop Filter Components 2nd order Input Parameters K_VCO 65 MHz V Modulation Input Gain K_phi 0 125 m Charge Pump Current Rf opt 315 MHz Frequency to Optimize Loop Filter f ref 100 kHz Comparison Frequency Bandwidth
27. se with the MICRF505 MICRF506 note no components for the RF modules 600 610 620 e Get external component values for a specific loop filter Main features The main window is split into several areas There is a Quick Setup part recommended as a Starting point a Complete setup and a Control Word part In addition there is a Select part and an Information part as well as a schematics window And finally there is a menu The reader is encouraged to locate these parts in the picture below Typically when pressing any Calc or Transfer button all the other fields are updated In addition the Information field is updated File RF TestBench Calculate A N M Loop Filter Deviation Help About Complete Setup LNA_by PA Sync en Mode Load en Modulation RSSI en LD en PF FC Cale SC_by Transfert P by OUTS VCO IB freq Mod F Mod I Mod Mod clk5 BitSync_clkS BitRate_clkS RefCik K Selk XCOtune AO NO M1 1160 9121383 Select RF Device MICRF505 Crystal Frequency 16 000000 MHz Dev Board Connection NOPORT Information Select MICRF505 if you are working with the MICRF505 chip This chip can be operated in the 868MHz or 915 2 band Control Word Value hex Quick Setup center frequency sso seo NEN NEN Bitrate 38462 bps 38462 bps RF Si
28. selected if you select the already selected part all parameters will be reset to default e Then use the Quick Setup features as a starting point observe the blue push buttons in this area Micrel Norway AS 5 User Manual for RF TestBench sw v8 1 TestBench File TestBench Calculate Loop Filter Peviation Help About Complete Setup J Quick LNA by 0 Wanted Achieved ps emer 915 000000 MHz 915 000000 MHz Locus _ Sync en n Crystal Frequency Mode 2 16 000000 MHz Bitrate 38462 bps 38462 bps Load 1 Dev Board Connection M NOPORT 105 kHz 105 kHz RSSlen fI information en T Select MICRFSOS if you HE MICRFSOS cy CP Hi 0 Re Sey E Transfer coy ang outs fo 1 f freq 2 Mod F 3 Mod_clkS BitSync_clkS BitRate_ckS 2 _ 13 2 XCOtune 16 Tx ho NO eso 580 wo 160 o 0 Nt 590 590 Control Word Mi 160 160 Regg 00 02 04 05 06 07 09 10 11 12 13 14 15 16 17 18 19 20 21 ten Fr TE Fr mer MICREL Micrel Norway AS 6 User Manual for RF TestBench sw v8
29. t f Bandwidth 0 dB Phase Margin at f Bandwidth 72 degrees Attenuation at f ref 48 46 dB Determine Bandwidth Phase margin C1 0150 nF C2 10 nF 18 kOhm C3 00097 nF 82 kOhm Includes the MICRF50x internal capacitance 5bpF RFVDD gt A o C Values used in a standard E24 series Micrel Norway AS 27 User Manual for RF TestBench sw v8 1 4 12 2Deviation This is an aid for getting an idea of what the deviation and filter settings should be 4 13 2Deviation Deviation Select Help Enter values and calculate The formulas used are shown in the window Deviation What should the Deviation be Information In this dialog Enter parameters that affect the deviation The resulting Deviation and Filter Cutoff indicate what the deviation filter cutoffs should be You can use these values in the Quick Setup or Complete Setup dialogs Note These are suggestions only These are the formulas used Beta BitRate 2 Total PPM RF Freq Min Deviation SSS sss SSS 2 1 0e6 2 Total PPM RF Freq BitRate Min_Filter Min_Deviation 1 0e6 2 Input M Output Wanted Beta mod index 2 Suggested minimum single sided deviation Total Xtal Tolerance ppm 40 112 Wanted Bitrate bps 38462 agre minimum Wanted RF Frequen
30. the wanted cut off frequency for the switch cap filter here At the same time the button is changed to Less Press it to hide the additional settings If the additional settings are visible then these settings are used in the calculations If not visible then the default settings are used It is recommended to use the default settings the first time you use this program To get the figure below the More button was pressed then the Calc button was pressed Observe the additional fields the name of the blue button changed to Less and the Information field Additional Quick Setup Input fields Changed to Less Information changed after the Calc button was pressed EE RF TestBench File RF TestBench Calculate A N M Loop Filter Deviation Help Complete Setup Select QuickAetup LNA by 0 RF Device Wanted Achieved pa 7 MICRFS05 PE center frequency 915 000000 MHz 1 000000 MHz metet Sync 1 Crystal Frequency Additional Settings If Visible Overrules Default Settings Mode gt 16 000000 MHz Bitrate 38462 bps 38462 bps Ere ues 200 kHz 200 kHz Load 1 Dev Board Connection 8 Single Sided ompanson 100 kHz 100 kHz Modulation 0 NOPORT Frequency Deviation 105 kHz 105 kHz Frequency RSSLen 1 Information LD en 1 Achieved results PFFC 2 Mu
31. viders If transmit mode is selected then use the Tx set and v v for receive mode In practice this will be different for A N M modulation only In this case you will get set all 3 sets of A N M dividers The 0 and tx1 sets as well as the rx set Also observe that the A1 N1 MI set for rx is not editable In receive mode the 0 set only is used Always make sure that all frequency dividers are gt 0 A dividers can be 0 but for simplicity It is suggested to keep all dividers gt 0 Setting an N divider and or an M divider equal to 0 will result in chip lock Like the Quick Setup feature you can e Store Restore control word values e Print Information field e Reset to default e Transfer to development board Refer to Quick Setup for a description of these features If a field value is changed after pressing any Calc or Transfer button then the value will be displayed in red Micrel Norway AS 15 User Manual for RF TestBench sw v8 1 bd Complete Setup area Field values 2 standard color push buttons Field Help Abo A Quick Setup RF Device Wanted Achieved MICRF505 RF corte 915 000000 MHz 915 000000 MHz _ Sync_en Crystal Frequepef Mode Bitrate 38462 bps 38462 bps FF Single Sided Modulation 105 kHz 105 kHz Frequency Deviation RSSI Information
32. yed in red Note that the register value must be entered as a hexadecimal number TestBench File RF TestBench Calculate A N M Loop Filter Deviation Help About Complete Setup Select Quick Setup LNA by 0 RF Device Wanted Achieved pa z MICRFS05 center frequency 1500000 MHz 915 000000 MHz Locas _ R frequency Sync en 1 Crystal Frequency Mode 2 16 000000 MHz Bitrate 38462 bps 38462 bps Load en 1 Dev Board Connection ERR Ex ingle Modulation 0 NOPORT Frequency Deviation 105 kHz 105 kHz RSSlen Information Select MICRF505 if you PF FC 2 are working with the R MICRF505 chip CP Hi 0 This chip can be operated Cae SC_by JD Jin the 868MH2 or STSMHz Transfer PA b 0 band OUTS 0 VCO IB 1 VCO_freq 2 Mod F 4 Mod I 3 Mod 1 Mod clkS 5 BitSync clkS BitRate clkS 2 RefCik K 13 ScCik 2 XCOtune 16 Tx Ap 0 0 No 590 590 160 160 10 10 590 590 Control Word Mi fiso 160 Reg 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 18 20 21 Calc Jaf aie 7 oe oo os 5 86 Cz 7 o fae ES MICAEL Z 2 standard color push buttons Registervalue for Reg 0 in hex format Control Word area Micrel Norway AS 18 User Manual for RF
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