ls-11-m user manual
Contents
1. 2400 OxFD 38 4k OxE8 4800 OxFE 115 2k 8 11 Reserved 12 XMITEN If zero the RF switch is disarmed at power on meaning the RF circuitry is disabled until the switch is turned off and back on Setting this bit arms the switch 13 15 Reserved 4 1 12 Direct D A Write Two digital analog converters are used in the Handheld A command was needed to write deviation m 0 and attenuation m 1 values to them for calibration nnnn m V September 2006 4 10 Lumistar Lumistar Portable Test Transmitter LS11Q 5 LS11Q 5 1 General The LS11Q is based on the LS11 Handheld design but incorporates a Quasonix QSX VST RF Transmitter module which results in a number of detail differences summarized in this chapter Items not mentioned are identical to the LS11 Specifications not listed here are identical to the LS11 See Chapter 1 Table 5 1 LS11Q Specifications Power Dissipation Less than 25 watts Battery Capacity tbd but shorter than LS11 RF Band S Band 2200 2394 5MHz Modulation Type Wideband FM SOQPSK MHCPM Modulation Source PCM Simulator or Front Panel TTL Data Clock input Output Power to 10dBm Max approximate in 5dB steps Baseband Output Filter Eight selectable 4 Pole Bessel Filters F1 points 0 5MHz 1MHz 2MHz 4MHz 6MHz 8MHz 10MHz 15MHz FM Deviation Determined by data rate 5 2 LS11Q Front Panel I O Six BNC connectors are provided2. External modulation is expected at TTL levels and a TTL level clock is required Four Test outputs are provided The Baseband output is a bipolar PCM output This signal passes through the selected baseband output filter unlike the LS11 this filter has no effect on the RF signal The Clock and Data outputs are TTL levels and can be connected to a PCM decommutator or such device for test purposes For NRZ type codes the clock is at bit rate For Bi Phase and Miller codes the clock is at twice bit rate September 2006 5 1 Lumistar Lumistar Portable Test Transmitter LS11Q 5 3 LS11Q Operation The LS11Q front panel operation is the same as the LS11 except as noted below When power is applied the LS11Q display shows a welcome banner while it is busy waking up It looks like this LS 11Q Simulator V3 00c Lumistar Inc c 2006 The LS11Q may not recover properly from a brief power cycle If this occurs the welcome banner will stay up To recover turn the power switch off for at least five seconds The LS11Q does not provide FM deviation control Deviation is automatically set by the RF module In its place the RF transmit mode is displayed as PCMFM SOQPSK or MHCPM The LS11 warm up period during which the RF Transmit LED blinks is eliminated The Quasonix RF generator does not need it In a Baud Rate Recovery state see 43 3 the RF output is disabled until power is cycled again 5 4 L811Q Programming Info
3. Portable Test Transmitter Technical Manual U110103 Glenn Toennes September 2006 Lumistar Inc 5870 EI Camino Realt Carlsbad California 92008 USA Lumistar Portable Test Transmitter Table of Contents Table of Contents 1 Introduction 1 1 Gem rales scscsccscaacesdescsccecdccbescasescseekatacsaane E E 5 sendusecse E E A 1 1 1 2 SDee ICA OT SLo occi toner cas esscscaussteseysbeudesnsssevanseseugocousdevcosevasdauaversseaneversercterse 1 1 Table 1 1 General Specifications jer estere ineat god tei tere 1 1 Table 1 2 PCM Transmitter Specifications 1 1 Table 1 2 PCM Simulator Specifications sess 1 2 2 Installation Doh PIV SICAL M RUE 2 1 2 2 POWEOK AAE EEEE EEEE AAE 2 1 2 3 COnn ctions p 2 1 PAE LALE N E EE EEEE EE O A E EE 2 2 3 Operation SL e dci 3 1 3 2 Front Panel Controls 2 2 2 0 1 09 desetescsdscscsdsssecsdsssssevssasecescbdsseovesstoos 3 1 S2 DKeypad ences eroe en Gradene 3 2 3 2 2 RF Parameter Settings eiie ect etat uet eoa PE REY o vere U PNE per Pee ee Ra REL e RE SIRE Ue 3 2 3 2 3 PCM PRN and INT EXT sccccsececccccossssssonsncssteosessesoonnescesseosesoseasesccosesessses 3 2 3524 RF Output ControLusunnauansnsnesenernerann vinna 3 3 33 Baud Rate Recovery cectaniesicssceds cess enesccdduciscaksscosncbuseasvocsnndevelandawectensesacaactaveaesence 3 3 3 4 LSTIHandHeld xe 2 2 2 Ba 2o co eoe Ie Deo sees wb cwaBtesecadenccdceeduesee
4. location for whatever other data would be output here 7 EOSF Set to identify last minor frame in the major frame September 2006 4 8 Lumistar Lumistar Portable Test Transmitter Programming Information 4 1 10 Return Status Two status query commands are included Each returns a list of hexadecimal numbers Some things are repeated between the lists they return different copies of data that should match The simulator does not need to be halted to query The W query was mostly written for our development use Q returns numbers n1 n2 n3 carriage return gt These are interpreted as nl Format Number of current format n2 Minimum allowable center frequency in MHz n3 Maximum allowable center frequency in MHz add 0 5 n4 Pre Mod Filter 0 cutoff in kHz n5 Pre Mod Filter 1 cutoff in kHz n6 Pre Mod Filter 2 cutoff in kHz n7 Pre Mod Filter 3 cutoff in kHz n8 VCO Reference divider It s 10241 You don t care n9 Center Frequency currently on screen n10 Deviation value currently on screen nl 1 Pre Mod Filter selection currently on screen n12 Output level setting currently on screen n13 0 if output is defined PCM stream I if PRN pattern n14 0 if transmitter driven from simulator 1 if external mod input n15 0 if front panel RF switch off 1 if on W returns numbers n1 n2 n3 carriage return gt These are interpreted as nl Fc currently on screen n2 Deviation
5. behavior of the 5dB step Repeated 5dB steps carry into the 10dB digit unless the adjustment is at the end of range 3 2 3 PCM PRN and INT EXT These display fields control the transmitter output Selecting anything but PCM causes the defined PCM data to be supplanted by a cyclic pseudo noise pattern using the same bit rate and output coding scheme The choices are 2047 11 and 32 767 15 bit patterns A indicates one September 2006 3 2 Lumistar Lumistar Portable Test Transmitter Operation error is introduced per pattern to yield a forced 4 885 10 or 3 05 10 gt BER Selecting EXT disconnects the PCM or PRN data from the transmitter and connects the External Modulation input to it 3 2 4 RF Output Control A separate toggle switch controls the RF output When power is applied this switch is disarmed until it is turned off Thereafter it is active When the RF switch is in the Off position all RF circuitry in the Handheld is disabled When the RF switch is turned On the RF synthesizer is enabled The RF LED indicator begins to blink After a warm up period the LED stops blinking and the RF output amplifier is turned on 3 3 Baud Rate Recovery Serial communications may be lost from the Handheld baud rate being set incorrectly by inadvertent or deliberate writes to its configuration EEPROM See Table 4 7 If this appears to have happened tell your software engineer to go back and read 44 1 11 1 again M
6. effect This normally takes a few seconds n Y 4 1 4 Simulator Run Halt The simulator must be halted OR to access memory or to store a format definition It must be running 1R to generate a data stream September 2006 4 2 Lumistar Lumistar Portable Test Transmitter Programming Information 4 1 5 RF Parameters Transmitter RF parameters are set by G commands A well formed G command consists of two numeric parameters followed by an ASCII G The actual value is the first parameter The second parameter is an index to identify the first parameter nnnn 0 G nnnn is Fc in units of 100kHz This is rounded down to a 500kHz tuning step The RF synthesizer is immediately retuned if currently enabled The value becomes part of the present format definition if it is subsequently saved nnnn 1 G sets FM deviation to nnnn a number in the range 0 999 I want to say it s FM deviation in units of 10kHz but I cannot A change takes effect immediately The value becomes part of the present format definition if it is subsequently saved nnnn 2 G nnnn in the set 0 3 selects a Pre Mod filter Cutoffs are NOT predetermined their values can be gotten by a Q query The value becomes part of the present format definition if it is subsequently saved nnnn 3 G Set output level where nn is attenuation in units of 5dB The value is not part of the present format definition It is saved from one power cycle to the next but is not updat
7. words The Handheld presents you with a 64K word address space The word attribute and data memory occupies locations 0 0x7FFF of that space The frame attribute memory occupies locations 0x8000 0x83FF The remainder of the space is unused Two additional high order address bits are specified by the most recent Select Format Number N or Recall Y command Table 4 1 Frame Start Register 0 T Bit Mnemonic Description 9 0 1STFRAME Frame number of the first minor frame in the major frame 12 SFUP When set causes minor frame numbers to increment in the course of the major frame 13 FAC When set words with the FSP attribute are inverted during odd numbered minor frames 14 FCC When set words with the FSP attribute are inverted during the first minor frame of each major frame 15 WDST Always set this bit September 2006 4 5 Lumistar Lumistar Portable Test Transmitter Programming Information Table 4 2 Mode Register 1 T Bit Mnemonic Description CCITT When set causes a CRC CCITT checkword to be calculated Otherwise CRC 16 is calculated Has no meaning if CRCEN is clear or if no CRC location is specified in the simulator word attributes CRCEN When set causes a CRC checkword to be calculated Has no meaning if no CRC location is specified in the simulator word attributes REVCRC When set causes a reversed CRC checkword to be calcu
8. 1 8 Memory ACCESS wic cciscccdnassvaiccaiaccsesusscesincicedasasucavsnenantiencavtcbasnoumedenuarceseiars 4 5 Table 4 1 Frame Start Register Oss 4 5 Table 4 2 Mode Register T Tune ieri edet ts 4 6 Table4 3 Code Register 2 Nunn STG Med 4 6 Table 44 Simulator Memory Map sse 4 8 4 1 9 Save quei mr P 4 8 Table 4 5 Simulator Word Attributes esseeeeee 4 8 Table 4 6 Simulator Frame Attributes 4 8 4 1 10 Return Sfat s ecu e ieen eee een tt poo teense e rliepe a Qo pYee cuu ey eia gnr 4 9 4 1 11 Configuration EEPROM eeessesesssesveseveeensesevssenvesnsnennsssevsesnvesnnnenesnsevseen 4 9 EM BIEN GLO PR T 4 10 Table 4 7 EEPROM 14 OpUOnS 15 d repetat tre db ea eget re gites 4 10 4112 Direct D A Writes esee eere peo een aee udis kan ua rr ter e voip EE uad 4 10 5 LS11Q JG ETA C e 5 1 Table 5 1 LS11Q Specitications ues edite nae etr ean dece eo nal 5 1 5 2 ESTIO Front Panel VO eere eter eoe noe vo eno eoa e peo eo leone raa aeo eet ananas 5 1 5S3 LS LLG Operatii e rp 5 2 5 4 LS11Q Programming Information eeosevvvvsvvvvevvveennvneennvneennvneennvnesnnvnesnnveennne 5 2 5 4 1 LS11QRF Parameters seseseosessveveressnsnevnvseseesesensnnnnnseseseesenensnnnnssessesenenenee 5 2 5 42 ESTIQ Status Query uaausunenianniasndgenndanenidnekinid kne 5 3 September 2006 iii Lumistar Lumistar Portable Test Transmitter Introduction 1 Introduct
9. argeted at any author developing a remote host application for the Handheld This is a description of the data transmitted over the host interface Communication with the Handheld consists of exchange of short packets I put packet in quotes because the definition of packet here is unique Each command from the host is a single packet Once sent the host must wait for a response before sending anything else Packets are strings of ASCII characters Each transaction is initiated with a command packet from the host and ends with receipt of a response packet from the Handheld With one exception a command packet consists of zero or more numeric parameters separated by spaces and ending with an alphabetic command character A response packet consists of zero or more numeric values separated by spaces and ending with a carriage return character Alpha characters are not case sensitive except for the string following H All numbers in both directions are short 16 bit hexadecimal integers Numbers in response packets will be zero extended to four digits It is permissible but not necessary to do so in command packets If a parameter has more than four digits the last four are used When the Handheld sees a command character it stops accepting input and processes it Any unused parameters are discarded do not carry over to the next command The next command may be initiated as soon as a carriage return ends the response packet All numbe
10. auses the blink to stop for several seconds Each legitimate position for the cursor is a field The cursor right and left arrow keys move the cursor cyclically from one field to the next The cursor up and down arrow keys cyclically change the value of that field Except for the format name field the resulting new value takes effect immediately A change to the format name does not take effect until the cursor is moved This will stop the cursor blink momentarily while new information is being recovered and loaded The PCM simulator is stopped during this process 3 2 2 RF Parameter Settings A stored format definition has frequency deviation and Pre Mod filter settings embedded in it These settings act like smart thumbwheels When a new format is loaded the settings embedded in the format definition are placed into effect You may alter these settings and your changes will be preserved across power cycles until you choose a different format definition RF frequency settings from the host interface or recalled from stored formats are clamped within band edges Frequencies set from the front panel are not The tuning range via front panel setting is 199 5MHz starting at some frequency nn00 0MHz It js possible to go out of band The output level setting is specifically NOT stored and recalled as part of the format definition It acts more like a regular thumbwheel and changes only on command The output level also differs in the
11. currently on screen n3 PMCO Selection currently on screen n4 Clock Rate MSBs n5 Clock Rate LSBs n6 Frame Start Register n7 Mode Register n8 Code Register n9 n12 Format name BIG ENDIAN msb of n9 is first char 4 1 11 Configuration EEPROM Besides the storage of formats the Handheld has another nonvolatile memory for storage of configuration and calibration data Locations 0 13 are the values returned by a Q query Location 15 is the firmware September 2006 4 9 Lumistar Lumistar Portable Test Transmitter Programming Information revision number Normally a user application would not need these commands but locations 16 31 potentially have utility in that they hold the names of the four format definitions currently stored in the same format as the format name returned by W The simulator does not need to be halted for these accesses aaa I Returns value of location aaa nnnn aaa L writes nnnn to location aaa 4 1 11 1 Options Location 14 holds option information At this writing the usual factory default for this location is OXOSFA interpreted as shown in Table 4 7 Table 4 7 EEPROM 14 Options Bit Mnemonic Description 7 0 BAUD Sets baud rate for serial communictions after the next time power is applied The usual default value is OxFA for 19 2k baud Values not in the following list are nonsense 0x40 600 OxF4 9600 OxAO 1200 OxFA 19 2k OxDO
12. eanwhile turn the power switch off While holding both the cursor left and right buttons down turn the power back on Continue to hold the buttons until the normal operating display appears This three fingered salute forces the baud rate to 9600 until power is cycled again 3 4 LS11HandHeld exe On the host LS11HandHeld provides a path to store PCM format and RF setup information in the Handheld for later field use To use it meaningfully the Handheld serial port must be connected to a COM port on the host Then launch the program by double clicking its icon All normal operations of the program take place in a single window The window has a menu bar at the top and three display pages with selection tabs 3 4 1 Menu Bar The menu bar has three selections at the top 3 4 1 1 File Menu Clicking on File yields a dropdown with entries typical for Window Applications The dropdown selections refer to Handheld setups saved in ls11 files September 2006 3 3 Lumistar Lumistar Portable Test Transmitter If a Is11 file is currently in use by the program its name appears in the bar at the very top of the window File Save stores the current setup to that selected file If no file is open this selection will default to a File Save As File Save As is for use when no file is currently in use or when you want to create a new Is1 1 file or update an old one without overwriting the one in effect Selecting this opens a regular Windows
13. ecesebcons 3 3 3 4 T Menu Bare eene eres teneat esaeder eese uen Te a eu aea eu ee DU Vene Vas ue Lune De en e cies 3 3 x NEM ID P EE 3 3 34 L2 Confie Menit uet eee oe deie Pr HEY ck apEv essas sosoo s issa QE Een ee pQT 3 4 TLD LOA AN oer ol 3 4 3 4 2 Format Name Bar uice ea eese see eoo ea sao euge oou da Sepe poe ooa danse 3 4 3 4 3 Handheld Screens eere ee rere pueden ch eden eo sess cdtsssve onore puo en toes 3 4 3 4 4 Simu lator PAG rc 3 5 3 4 5 Transmitter Tab sisicsecisccduccsccsctacashcsscesscscsadessscscussetesotestcosecsicsescdadescscssers 3 5 34 6 Query LAD carsisescssvacisossouncpschvessenssdsovbsocund nepavebeosehanes ccebteswivanvecsassavasechuees 3 5 4 Programming Information 4 1 Serial Communications ccce ee eere eere eee eret ertet tette satt sesso sooo 4 1 4 1 1 Select Format Number eee ee eee eere ee eee ertet eerte tette tete tete eese eese 4 2 4 1 2 Set OSQUPCIBNENIGN ERE 4 2 CMT 4 2 4 1 4 Simulator Run Halt ccccccccscssscssssssssesssssssesscesssesecesececececececscececececs 4 2 4 1 5 RF Parameters eeoeoeoeoeoeoeseososososososesosososesosesososososososesosososesosssesosssoso 4 3 4 1 6 Clock Generator eseseseoeoeoeoeoeoececececececececseoeseseseosseoeseoeseoeseoesesesesesessssso 4 4 41 7 Duca DD sute sie sosise sereoo irtoo Rossis 4 4 September 2006 ii Lumistar Lumistar Portable Test Transmitter Table of Contents 4
14. ed if a new format is recalled Making the value bigger reduces the output level Sane values are in the range 0 10dBm through 15 lt 60dBm n4G Enable n 1 or disable n 0 RF transmitter output This only works if the front panel RF switch is on The idea was to err on the side of not accidentally radiating n5G Connect the simulator output n 0 or the External Modulation BNC to the RF transmitter input September 2006 4 3 Lumistar Lumistar Portable Test Transmitter Programming Information n 6G Select the PCM format or a PRN pattern as the simulator output Output Defined PCM Format 2 1 PRN Pattern 2 1 PRN Pattern with one error pattern 2 1 PRN Pattern 2 1 PRN Pattern with one error pattern BRWNrF OS 4 1 6 Clock Generator The simulator clock generator is set by a K command The clock rate is a long integer split into two parameters where nnnn is the LSBs of the clock rate and mmmm is the MSBs mmmm nnnn K The simulator uses a Number Controlled Oscillator NCO to generate its output clock Exercise the following algorithm to get the NCO operating 1 Start with the desired output bit rate 2 If the logical AND of 0x0C and the value chosen according to the output code written to the Code register see below is not zero multiply the rate by 2 Otherwise multiply by 1 3 If the RATE bit in the Code register is set multiply the rate by 2 but if the 1 3 bit is also set multiply t
15. est Transmitter Installation 2 Installation 2 1 Physical The LS11 is housed in a 9 x6 x7 5 ZERO case 2 2 Power Set the 115 230 switch on the front panel according to which continent you re on Prime power input is a standard male IEC connector on the panel We provide a power cord for US use The unit includes a battery charger that is powered whenever the unit is plugged in regardless of the state of the power switch 2 3 Connections All I O connections are through the front panel The host interface is a female DE09 connector pin compatible with 9 pin Personal Computer serial interfaces The RF output is a type N connector Five BNC connectors are provided The external input can be selected as a modulation source This input is terminated into 75 ohms and the expected input signal is 2V p p for indicated deviation Four Test outputs are provided The Baseband output is a bipolar PCM output with a nominal signal level of 2V p p terminated into 75 ohms The Clock and NRZL outputs are TTL levels and can be connected to a PCM decommutator or such device for test purposes The Sync output is also TTL level When PCM output is selected it is asserted high during the last bit of the minor frame When PRN output is selected it is high for one bit period each cycle 32 767 bits of the PRN pattern September 2006 2 1 Lumistar Lumistar Portable Test Transmitter Installation 2 3 Software A remote host app
16. he rate by 3 4 Clamp the upper bound of the rate at 20 000 000 Neither the NCO nor the simulator are certified reliable beyond that point 5 If the result is 262 144 or greater the DIV field in the Mode register Table 4 2 should be 00 Otherwise choose a DIV field and multiply the rate by the by factor to get larger than 262 144 if possible Cleave the value into 16 bit halves for the command 4 1 7 Mode Registers The Handheld has three mode registers than must be set to complete the PCM format definition Undefined bits in these registers must be zero nnnn 0 T Writes the Frame Start register Bit assignments are shown in Table 4 1 September 2006 4 4 Lumistar Lumistar Portable Test Transmitter Programming Information nnnn 1 T Writes the Mode register Bit assignments are shown in Table 4 2 nnnn 2 T Writes the Code register Bit assignments are shown in Table 4 3 4 1 8 Memory Access The simulator uses two separate memories during its operation Each minor frame word location has an attribute word associated with and a data value to be output The attribute table and common value tables are each 16K 16 bit words long There are also tables of unique sync and waveform values These items are together in one 32K word memory There are four pages of this memory making 128K words total Juxtaposed with that there are four pages of simulator frame attributes in a separate memory Each of these pages is 1K 8 bit
17. in battery charger eliminator that is active whenever AC power is available The Handheld power switch controls the supply of battery and charger power to its internal circuitry When power is applied the Handheld display shows a welcome banner while it is busy waking up It looks like this LS 11 Simulator V2 01c Lumistar Inc c 2005 While the welcome display is up the Handheld is retrieving the PCM format and transmitter information of record from non volatile memory and placing it into effect This process takes two or three seconds Then the operational display appears nnnnnnnn qrrr sM Dev ttt F uuuuukHz vwdBm xxx yyy Where n format name qrrr s freq 500 kHz steps q is not a user field It is controlled by the frequency limits of the supplied RF head ttt deviation 009 700 u PMF select in kHz v output level 10dB step w output level 5dB step xxx PCM or PRN yyy INT or EXT September 2006 3 1 Lumistar Lumistar Portable Test Transmitter Operation 3 2 1 Keypad A keypad with four arrow keys manipulates the display The display cursor position is indicated by an underscore Whenever the Handheld is not busy processing input the cursor character winks continuously That means almost always except when the Handheld is loading a new format selection from internal storage or when the host interface receives a command to save the present new format That process c
18. ion 1 1 General The Lumistar Portable Test Transmitter herein Handheld albeit it is admittedly quite a handful it takes a chunk of lead to hold 75 watt hours provides a convenient sample signal for field link checkout A flexible preprogrammed PCM simulator can modulate a low powered wideband FM transmitter The simulator is packaged in a convenient carrying box The test transmitter offer s a full shift s battery operation and includes an on board battery charger eliminator The LS11Q as referred to herein uses a Quasonix QSX VST RF transmitter module to provide an SOQPSK output capability This model has a number of differences summarized in Chapter 5 1 2 Specifications Table 1 1 General Specifications Form Factor 9 long x 6 wide x 7 1 2 deep with cover Power Dissipation Less than 10 watts Battery Capacity Greater than 12 hours when fully charged Temperature Operating 0 to 50 C Temperature Non Operating 25 to 70 C Host Interface RS 232 19200 baud 8 bit 1 stop ASCII without parity Optional 600 1200 2400 4800 9600 38400 115200 baud Table 1 2 PCM Transmitter Specifications RF Band LS11 S Band 2200 2400MHz Tuning Range 200MHz max Modulation Type Wideband FM Modulation Source PCM Simulator or Front Panel Baseband input Output Power 60 to 10dBm Max approximate in 5dB steps P
19. lated Has no meaning if CRCEN is clear LSBF When set all simulator data is output LSB first CWS When cleared simulator common output data is read from the common data area in simulator memory This means all words not pre empted by sync unique or waveform words When set the common data area is ignored and all common output words have the value of the simulator CWS memory location 6 5 DIV Selects a prescale ratio for the simulator clock Choose one of 00 Divide by 1 01 Divide by 16 10 Divide by 256 11 Divide by 4096 BERT These bits were originally defined to set parameters for a PRN pattern output They are overridden by a 6 G command Table 4 3 Code Register 2 T Mnemonic Description PCM CODE PCM Output code Choose one of the following 0000 NRZ L 1001 Inverted Bi Phase L 0001 Inverted NRZ L 1010 Bi Phase M 0010 NRZ M 1011 Bi Phase S 0011 NRZ S 1100 DM M 0100 RZ 1101 DM S 0110 Inverted RZ 1110 M 1000 Bi Phase L 1111 M S 5 4 RANDOMIZE RNRZ Randomizer Control Choose one 00 Off 01 RNRZ11 10 RNRZ15 8 RATE Enables the convolutional encoder Causes output to be rate 1 2 encoded unless 1 3 is also set 9 1 3 If RATE is set causes output to be rate 1 3 encoded 10 SWAP Swaps the G1 and G2 symbol when set 11 INVERT Inverts the G1 s
20. lication is required to set up the Handheld internal PCM simulator We provide an application for PC Compatibles with Microsoft Windows 98 2K XP and one free serial communications port The host application would normally be distributed as a monolithic Setup LS11 exe on CD ROM Installation consists of inserting the CD browsing to that program if it does not autorun and executing it For most users the installation defaults will be satisfactory just click through them It will create a folder for the application and a screen icon for it The computer where the application is installed is now referred to as the host One configuration setting may need to be made before the application will run Launch the program by double clicking its icon At the top of the application window select Config From the dropdown select the one Com Port option If the Handheld is not going to be connected to COMI use the Com Port pulldown to select the port Then click the Accept button You may close the application at this time unless you intend to use it immediately September 2006 2 2 Lumistar Lumistar Portable Test Transmitter Operation 3 Operation 3 1 General Two user interfaces are associated with the Handheld Aside from its own front panel display and controls there is also a host interface which implies a software application running as a Windows 98 2K XP task 3 2 Front Panel Controls The Handheld includes a built
21. mat 3 4 3 Handheld Screens The application window has three tabs at the top Setup pages for the PCM Simulator and RF transmitter are displayed by clicking the appropriate tab The Query page displays display and configuration information read back from the Handheld September 2006 3 4 Lumistar Lumistar Portable Test Transmitter Operation 3 4 4 Simulator Page This page displays setup information for the Handheld PCM simulator Those previously exposed to our LDPS program and its relatives will see something familiar because the Handheld simulator has capabilities similar to the LS50 simulator except its minor frame length is limited to 8 191 words Format definition information is displayed in several white outlined boxes To edit a parameter put the cursor in the box and right click This yields a menu where you can select a parameter and open an edit window for it Limits of a parameter are shown in the edit window I may be bold in presuming my readers are somewhat familiar with the terminology associated with PCM formats Clicking the Word Attributes button opens a popup where data values for common words can be entered or calculated Also if the format needs a few oddball length words they can be identified here If you make any changes to word attributes make sure you click Apply to close the window Click the Load Simulator button to send the setup to the Handheld If you changed anything on the Transmitter setup
22. page make sure you clicked Load Transmitter on that page before you click Load Simulator on this page Otherwise those changes will be lost as soon as the Handheld user happens to change formats or cycle power 3 4 5 Transmitter Tab This page displays setup information for the Handheld RF Transmitter The transmitter frequency is clamped and pre mod filter selections within the limits returned by the Handheld itself Deviation is displayed as a number between 9 and 299 each increment being equal to 10 000 Hz of Peak Deviation Note there is an output level setting on this page and you need to push the Load Transmitter button to place it in effect This is not part of the format definition but it doesn t really fit anywhere else 3 4 6 Query Tab When the Handheld application is launched it attempts to make contact with a Handheld on the specified COM port If it connects status information is recalled from the Handheld and displayed here If you re September 2006 3 5 Lumistar Lumistar Portable Test Transmitter Operation playing with buttons over there you can click the Query LS11 Info button here to refresh this display Format and Pre Mod filter selection numbers on the screens are one based but the raw query data reflects zero based numbers September 2006 3 6 Lumistar Lumistar Portable Test Transmitter Programming Information 4 Programming Information 4 1 Serial Communications This chapter is t
23. popup allowing you to choose a folder and filename Performing this operation also makes the new file the current file File Recall is exactly the opposite of File Save As Selecting this opens a regular Windows popup allowing you to choose a folder and existing filename Selecting a name causes the parameters from that file to be read and makes it the current file Recalling a file has no effect on the Handheld itself Operation 3 4 1 2 Config Menu Clicking on Config yields a single entry Com Port Selecting it pops a window where a COM port and parameters can be selected The default selections of 19200 baud 8 bit characters with 1 stop and no parity should never be changed for this application but you will need to specify which COM port the Handheld is connected to Click the Accept button to close the window 3 4 1 3 LoadAll Selecting LoadAll transfers the simulator and transmitter settings of the current setup to the Handheld and directs it to save them to its nonvolatile storage Before doing this you must select a format number and edit the format name if necessary in the format name area just below the menu bar 3 4 2 Format Name Bar The Handheld can store up to four different setups This bar allows selection of a format number and a name for that format The format number controls which format will be overwritten when a setup is written to the Handheld You are allowed to choose an eight character name for the for
24. re Modulation Filter Four selectable 4 Pole Bessel Filters F1 points 0 5MHz 1MHz 2 5MHz 5MHz Others on special order FM Deviation 150kHz 7000kHz Peak in 10kHz increments September 2006 1 1 Lumistar Lumistar Portable Test Transmitter Introduction Table 1 2 PCM Simulator Specifications Format Selection Four format definitions in non volatile memory Front Panel Outputs NRZ L and PCM Data 0 degree clock amp minor frame strobe Output Levels Single ended TTL Output Data Rate 100bps to 20Mbps NRZ codes 100bps to 10Mbps all other codes PCM Codes NRZ L M S Bi Phase L M S DM M S M RNRZ L11 15 k 7 Convolutional Rate 1 2 1 3 Word Length Variable from 3 to 16 bits per word on a word by word basis CRC Generator CRC16 CCITT Forward Reverse Minor Frame Length 2 to 8 192 words per minor frame Major Frame Length Up to 1024 minor frames per major frame Bit Order MSB or LSB first Frame Sync Pattern Up to 256 words any series of Os or is 1s may be used Major Frame Sync FCC FAC SFID Common Words May be a single value or selected from a group of one minor frame Unique Words Seven may be programmed in any mainframe super commutated or sub commutated channel Test Output 32 767 bit PRN pattern Waveform Words Five may be programmed to appear in every frame at the same location September 2006 1 2 Lumistar Lumistar Portable T
25. rmation Most of the programming information is identical except as noted An LS11Q can be identified by a query to the firmware revision number OF I This will return a four digit hexadecimal number in ASCII Values in the range Ox3nnn identify an LS11Q 5 4 1 LS11QRF Parameters nnnn 1 G sets the Transmitter mode encoded as 0 FM 1 SOQPSK 2 MHCPM nnnn 2 G nnnn in the set 0 7 selects a Baseband Output filter Note this is not a Pre mod filter it affects only the front panel baseband output The value becomes part of the present format definition if it is subsequently saved September 2006 5 2 Lumistar Lumistar Portable Test Transmitter LS11Q 5 4 2 LS11Q Status Query The LS11Q returns a different and longer list of parameters Q returns numbers n1 n2 n3 carriage return gt These are interpreted as nl Format Number of current format n2 Minimum allowable center frequency in MHz n3 Maximum allowable center frequency in MHz add 0 5 n4 Baseband Output Filter 0 cutoff in kHz n5 Baseband Output Filter 1 cutoff in kHz n6 Baseband Output Filter 2 cutoff in kHz n7 Baseband Output Filter 3 cutoff in kHz n8 Baseband Output Filter 4 cutoff in kHz n9 Baseband Output Filter 5 cutoff in kHz n10 Baseband Output Filter 6 cutoff in kHz nl1 Baseband Output Filter 7 cutoff in kHz n12 Center Frequency currently on screen n13 RF Transmit mode currently on screen n14 Baseband Ou
26. rs are unsigned short hex integers A number is a string of one or more consecutive digits A F and a f are considered to be digits In the command summary following numbers are signified as nnnn Some commands take two parameters A space is required to separate them A space after the last parameter is optional One is shown one here only for clarity All instances of X are ignored so 0x123 is treated as 123 September 2006 4 1 Lumistar Lumistar Portable Test Transmitter Programming Information Some of the commands down the list are for our factory use They are included in this document mostly to make sure they are written down someplace 4 1 1 Select Format Number Four positions are available to store a setup n N selects a format where n is 0 3 If you intend to store a format you must do this first 4 1 2 Set Format Name An eight character name is associated with each format position and displayed on the panel when that format is selected When creating setups for a format Hzzzzzzzz Sets the name where zzzzzzzz is a string of EXACTLY eight printable ASCII characters This command may be issued sometime between N and S Avoid giving the same name to two different formats Character values in the range 0xAO OxDF are Katakan 4 1 3 Recall To recall an existing format definition where n is 0 3 Issue a Y command This will read the stored format back from nonvolatile memory and place it into
27. tput Filter selection currently on screen n15 Output level setting currently on screen n16 0 if output is defined PCM stream 1 if PRN pattern n17 0 if transmitter driven from simulator 1 if external mod input n18 0 if front panel RF switch off 1 if on and maybe n19 Celsius RF transmitter temperature September 2006 5 3 Lumistar
28. tribute word in the Frame Attribute memory as shown in Table 4 6 Data in the data areas is always right aligned regardless of word length or bit ordering However for LSB first data the frame sync words need to be bit reversed to get the pattern to output properly Also note the simulator allocates and integral number of words to the frame sync pattern and an entire word to the SFID count regardless of how many bits they actually use The simulator design provides support for formats using FCC or SFID major frame correlation There is no provision for URC formats per se To simulate a URC you will need to pre empt enough unique words to put the URC pattern in the first minor frame September 2006 4 7 Lumistar Lumistar Portable Test Transmitter Programming Information Table 4 4 Simulator Memory Map Range Definition 0x0000 0x1FFF Common data values lookup by word number mod 8192 CWS 0 0x2000 0x2006 Unique word values lookup by unique word number 0x2007 CWS data value meaningful only if CWS 1 0x2008 0x23FF Reserved 0x2400 0x27FF Frame Sync Pattern data lookup by word number modulo 1024 0x2800 0x2BFF SFID data lookup by minor frame number 0x2C00 0x2FFF Waveform 1 data lookup by minor frame number 0x3000 0x33FF Waveform 2 data lookup by minor frame number 0x3400 0x37FF Waveform 3 data lookup by minor frame number 0x3800 0x3BFF Waveform 4 data look
29. up by minor frame number 0x3C00 0x3FFF Waveform 5 data lookup by minor frame number 0x4000 0x7FFF Word attributes lookup by word number modulo 0x8000 0x83FF Frame attributes 4 1 9 Save Format Save Format copies the RF parameters and Mode Register values into the parameter area then copies the simulator RAM to flash memory If the same format is selected later the flash is read and put into effect The save process normally takes about three or four seconds If the simulator is not halted the save is ignored and the command returns immediately S Table 4 5 Simulator Word Attributes Bit Mnemonic Description 6 0 WSPLn If FSPLn n 0 5 is set for the current frame substitute contents of unique word n location for whatever other data would be output here 7 CRCW Output the CRC checkword starting with the first bit of this word The checkword output lasts for 16 bit periods during which any other data otherwise defined for output is discarded 11 8 WL The word length in bits less 1 14 12 I Data source for this word unless overridden by CRC or unique word 000 Common data 001 Frame Sync Pattern data 010 SFID data 011 Waveform 1 data 100 111 Waveform 2 5 data 15 EOF Set to identify last word in minor frame Table 4 6 Simulator Frame Attributes Bit Mnemonic Description 6 0 FSPLn If WSPLn set for the current word substitute contents of unique word n
30. ymbol when set 12 DIFF Enables differential encoding when set The simulator must be halted 0 R command to access this memory Then the M and O oh not zero commands work nnnn aaaa M September 2006 4 6 Lumistar Lumistar Portable Test Transmitter Programming Information Writes hexadecimal nnnn to memory location aaaa The frame attribute memory is a single byte wide so if aaaa gt Ox7FFF only the Isb s of nnnn have meaning aaaa O Reads location aaaa and sends its hexadecimal value back in a return packet Normally this would only be needed to reverse engineer an existing stored format Memory accesses with the simulator running are ignored Reads return 0000 The data word attribute memory is mapped as shown in Table 44 Remember there are actually four such memories selected by the format number The frame attribute memory is strictly a lookup by minor frame number The part of the Reserved area between 0x2200 and 0x23FF is used internally as an image of the frame attribute data The simulator Frame Attribute Memory is loaded with frame attributes believe it or not The Data and Word Attribute Memory holds both output data and word attributes Each minor frame word location has an associated attribute word The attribute words are stored in data memory See Table 4 for location The attribute word is formatted per Table 4 5 Each minor frame in the major frame has an at
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