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User Manual

Rev. 1.2- 24/01/11

PTX-DDS

9. Modules Identification

The

PTX-DDS

is made up of various modules linked to each other through

connectors so as to make maintenance and any required module replacement

easier.

9.1 Top View

The figure below shows the equipment top view with the various component

pointed out

Figure 9.1

[1]

TRDSP5

TRDSP board

[2]

SL034TL1001

TLM panel distribution card

[3]

SL034TL2002

RS232 card

[4]

SL034IN2002

Remote interface card

[5]

SLPA30 SL034BI1003

Power amplifier and RF control card (30W version)

SLPA150WMOS

+ SL034BI2003

Power amplifier and RF control card (100W or 150W version)

[6]

PSL300DDS

Power supply card (28V 10A)

[7]

SL034IN1001

USB connector card

[8]

SL174MD1001

FM modulator card

[9]

SL034PC1004

Panel card

[10]

SL034CP1001

16-bit CPU card

[11]

SL034PS1002

Power supply distribution card

Содержание PTX-DDS

Страница 1: ...PTX DDS User Manual Manufactured by Italy ...

Страница 2: ...ay be reproduced memorized or transmitted in any form or by any means electronic or mechanic including photocopying recording or by any informa tion storage and retrieval system without written permission of the copyright owner File Name 03_PTX DDS_ING_1 2 indd Version 1 2 Date 24 01 2011 Document History Date Version Reason Editor 08 05 2006 1 0 First Edition J H Berti 29 11 2010 1 1 Major Upgrad...

Страница 3: ...wer on and setup 6 6 External Description 10 6 1 Front Panel 10 6 2 Rear Panel 11 6 3 Connector Descriprion 12 7 Operating System 13 7 1 Using the encoder 13 7 2 Start up 14 7 3 Operating System 14 7 4 Menu Organization 16 7 5 Set up Reset 43 7 5 Audio Rescuer 44 7 7 I T U 47 7 8 A G C andClipper 47 8 Technical Specification 49 9 Modules Identification 51 9 1 Top View 51 9 2 Power supply unit 52 9...

Страница 4: ...PTX DDS ii User Manual Rev 1 2 24 01 11 This page was intentionally left blank ...

Страница 5: ...measures Specifications and informations contained in this manual are furnished for information only and are subject to change at any time without notice and should not be construed as a commitment by R V R Elettronica SpA The R V R Elettronica SpA assumes no responsability or liability for any errors or inaccuracies that may appear in this manual including the products and software described in i...

Страница 6: ...ent begin artificial circulation Figure 4 depressing sternum Figure 5 Figure 3 Figure 4 Figure 5 In case of only one rescuer 15 compressions alternated to two breaths If there are two rescuers the rythm shall be of one brath each 5 compressions Do not interrupt the rythm of compressions when the second person is giving breath Call for medical assistance as soon as possible 3 1 2 If victim is respo...

Страница 7: ... the front panel and a control knob provide for user interfacing with the microprocessor control system which implements the following feature Set up of the power output Set up of the working frequency Enabling or disabling of the power output delivery Measurement and visualization of the working parameters Communication with eternal devices The management software offers an intuitive user interfa...

Страница 8: ... detailed descriptions of all hardware and firmware features and capabilities Please see the relevant sections for additional details IMPORTANT When configuring and testing the transmitter in which the exciter is integrated be sure to have the Final Test Table supplied with the machine ready at hand throughout the whole procedure the Final Test Table lists all operating parameters as set and teste...

Страница 9: ...nectors Note When you connect the PTX DDS to other devices it is necessary to strictly follow the instructions given by the resepective manufacturers to avoid damages or danger situations WARNING Electric shock hazard Never handle the RF output connector when the machine is powered on and no load is connected Injury or death may result Ensure that the POWER switch on the front panel see figure 6 1...

Страница 10: ...formations should appear briefly on the display quickly followed by the main readings figure 7 5 chap 7 4 1 If RF output is disabled these readings will be zero 5 2 2 Frequency lock check Question The equipment doesn t work correctly Answer Ensure that the LOCK light turns on see figure 6 1 item 1 It indicates the PLL is locked to working frequency wait at least 15 seconds from the power on of PTX...

Страница 11: ...display Forward xxx x W gives actual output power reading and may be lower than set power if an Automatic Gain Control is in limited power mode IMPORTANT The transmitter incorporates Automatic Gain Control and output power is modulated based on the power level set by the user and actual operating conditions such as temperature reflected power and other parameters Drive power must be kept steady at...

Страница 12: ...in kHz Vmeter bar in 2 SW2 Not used Not used 3 SW2 Not used Not used 4 SW2 Not used Not used 5 SW2 Not used Not used 6 SW2 Not used Not used 7 SW2 Not used Not used 8 SW2 Not used Not used Table 5 1 Dip Switch configurations 5 2 6 How to enable Local mode Question The equipment don t accept command through Control knob Answer Check current mode setting and enable Local mode if not already enabled ...

Страница 13: ... the equipment from the rack and identify the bottom panel see figure below configurate the dip switch referred to the own necessity D D DI I IP P P S S SW W WI I IT T TC C CH H H S S SW W W1 1 1 D D DI I IP P P S S SW W WI I IT T TC C CH H H S S SW W W2 2 2 Figure 5 2 Dip Switch ON position OFF position 1 2 SW1 L R Input Impedance 600 Ω L R Input Impedance 10 kΩ 1 2 SW2 L R Input Attenuation 12 d...

Страница 14: ... in ALSET menu see chap 7 4 3 11 5 DISPLAY Liquid Crystal Display supports both graphics 240x64 pixels 6 ENCODER Software control knob and button 7 POWER Power switch 8 USB USB connector for upgrades and communications with TELECON software 9 PWR OK Green LED it is lit on when the delivering output power get over the thresholds of PGset set up in PGSET menu see chap 7 4 3 2 10 FOLDBACK Yellow LED ...

Страница 15: ...arrier synchronism signal from external devices such as GPS receiver 14 1PPS BNC connector for TTL signal input of 1PPS such as GPS receiver 15 FUSE Power supply fuse 6 3AT 250V 5x20 16 RF TEST BNC output connector for test output at 30 dB below carrier 17 INTERLOCK IN BNC connector for interlock In case of central conductor is connected to ground the transmitter is placed into forced standby mode...

Страница 16: ...n exciter state changes from ON to OFF 8 GND GND 9 GND GND 10 Ext Rfl Pwr Analogue input for reflected power from external amplifier 11 Analogue Input 6 0 5V or I2 C bus SCL or mains alarm input signalling 12 Analogue Input 4 0 5V 13 Analogue Input 2 0 5V 14 GND GND 15 RLY 1 Out Digital output Normally open relay contact it is closed to ground according to a preset on off time when exciter state c...

Страница 17: ... pushing push the button once when the cursor is on the name of a menu to enter in that menu push it when the corsor is on the name of a parameter to enter in modification mode the cursor starts blinking after the modification of a parameter push the button to save the new value The pushing of encoder causes the lighting of the display in case it is not been lighted After having modified the value...

Страница 18: ... To reset the factory parameters read chapter 7 5 PTDS 000100 01 08 2005 BIOS 000300 01 08 2005 Figure 7 2 Otherwise in substitution of the RVR logo are available informations regarding equipment personalization arranged on three rows of 16 characters ŕőőőőőőőőőőőőőőőőőőőőőŘ Œ Xyz 1 Œ Œ Xyz 2 Œ Œ Xyz 3 Œ śőőőőőőőőőőőőőőőőőőőőőŞ PTDS 000100 01 08 2005 BIOS 000300 01 08 2005 Figure 7 3 After approxi...

Страница 19: ...on menu and the measure description can be available in several languages depending the version 7 3 1 2 Input modulation deviation bar Vmeter ThemodulationsenttoDDSisdisplayedasverticalbarintheleftportionofthescreen The visualization of the bars in kHz or in percentage is determined by dip switch SW2 on the panel card see chap 5 2 8 for details 7 3 1 3 Graphic symbols This graphic bar placed on th...

Страница 20: ...ns on the selected parameter To access to the Maintenance submenus chap 7 4 2 or to the Administrator submenus see chap 7 4 3 press the encoder turn until the indicator is highlighted on the desired menu and then press again to confirm If no controls are operated through the encoder during 2 minutes the exciter returns to this menu and after 5 minutes of inactivity the display lighting will be tur...

Страница 21: ...nce submenu In alternative you can avoid to use the encoder for about 2 minutes to return to the default menu see chap 7 4 1 automatically 7 4 2 1 RF measures submenu RFmea This menu provides general information on the RF measures of the exciter RF On Freq 000 000Mhz FWD 0 0 W RFL 0 0 W RDS On SFN On FSK On Maint Figure 7 6 RF Visualization of the equipment power status Freq Visualization of the w...

Страница 22: ...ng voltage of power amplifier expressed in Volt IPA Visualization of the absorbed current of power amplifier expressed in Ampere VCO Visualization of the voltage applied to VCO section expressed in Volt Temp Visualization of the amplifier module temperature expressed in degrees centigrade ExtFWD Visualization of the forward power supplied by external amplifier expressed in percent ExtRFL Visualiza...

Страница 23: ...X SCA 00 0 dBr Maint Figure 7 8 Ana R Visualization of the right analogic channel level expressed in decibel dBr Ana L Visualization of the left analogic channel level expressed in decibel dBr Dig R Visualization of the left digital channel level expressed in decibel dBr Dig L Visualization of the left digital channel level expressed in decibel dBr MX SCA Visualization of the composite channel lev...

Страница 24: ... Figure 7 9 Clip Visualization of the clipper status ClipLR Visualization of the clipping level regulation for the right and left channels expressed in decibel Clip X Visualization of the clipping level regulation for the composite channel expressed in decibel PhsAna Visualization of the analogic channels phase modality PhsDig Visualization of the digital channels phase modality PhsMPX Visualizati...

Страница 25: ...ut modality or the automatic rescuer activation Mode A Visualization of the coder modality in analogic operation Mode D Visualization of the coder modality in digital operation Mode X Visualization of the coder modality in composite operation Preemp Visualization of the preemphasis selection expressed in microseconds PilLev Visualization of the level correction adjustment of the pilot generated ex...

Страница 26: ... 0 dBu Pilot 00 0 dBu Maint Figure 7 11 Dig R Visualization of the ouput level for the right digital channel expressed in decibel dBfs Dig L Visualization of the ouput level for the left digital channel expressed in decibel dBfs Monit Visualization of the ouput level for the Monitor channel expressed in decibel dBu Pilot Visualization of the pilot tone level expressed in decibel dBu ...

Страница 27: ...ation of the ITU functionality status ITUlev Visualization of the ITU level expressed in decibel ITUadj Visualization of the ITU level adjustment expressed in decibel dBr AGC Visualization of the intervention speed selection for the left and right channels AGC LR Visualization of the intervention level for the left and right channels expressed in decibel AGC Visualization of the intervention speed...

Страница 28: ...13 DSN Visualization of the DSN put on the air Data Source Name PS Visualization of the text put on the air Program Service PI Visualization of the code put on the air Program Identification PTY Visualization of PTY Program TYpe status TA Visualization of TA Traffic Announcement status TP Visualization of TP Traffic Program identification status MS Visualization of MS Music Speech status ...

Страница 29: ...pin 13 of REMOTE connector expressed in Volts max 5 V V3 Visualization of the input voltage on pin 5 of REMOTE connector expressed in Volts max 5 V V4 Visualization of the input voltage on pin 12 of REMOTE connector expressed in Volts max 5 V V5 Visualization of the input voltage on pin 4 of REMOTE connector expressed in Volts max 5 V or if disabled for IIC function V6 Visualization of the input v...

Страница 30: ...m or doesn t confirm the new value i e the button is not pressed the cursor stops blinking and remains on the first alarm stored To erase all the stored events use again the encoder move cursor to RESET and confirm reset operation To exit from this submenu rotate the encoder until the EXIT label is is highlighted then press the encoder to confirm and return to Maintenance submenu navigation Alarm ...

Страница 31: ...S 000100 Pan PDDS 000100 Aud TRDP 000100 Tab PDDS 0150 01 Jumper 12345678 12345678 Maint Figure 7 16 Bios Visualization of the bios release code App Visualization of the application release code Pan Visualization of the panel release code Aud Visualization of the TRDSP release code Tab Visualization of the configuration table code Jumper Visualization of the status for the sixteen jumpers present ...

Страница 32: ...n use Maint Figure 7 17 SCN Visualization of the Service Centre Number Nam Visualization of the customer number manager SigLev Visualization of the GSM signal level received in antenna expressed in dB Retry Visualization of the SMS transmission attempts in case of alarms Dial Visualization of the initialisation string used by modem N SMS Visualization of the number of SMS that the SIM card can sto...

Страница 33: ...the several submenus present press the encoder turn until the indicator is highlighted on the desired editable parameters and then press again to confirm To exit from this submenu rotate the encoder until the EXIT label is is highlighted then press the encoder to confirm and return to Administration submenu navigation To change the editable parameters press the encoder turn until the indicator is ...

Страница 34: ...mes reached during the setting you will bring back to beginning of scale This editable parameter is expressed in megahertz F Step Selection of the step for the regulation of the working frequency expressed in kilohertz The adjustment of the value is available in step of 1 10 100 or 1000 kHz P Out Selection of the ouput power percentage desired from 0 output power disabled to 100 Rise t Selection o...

Страница 35: ...t power exceeds this percentage of nominal power For example assuming that power set in the default menu is 70 of machine rated power i e PTX100DDS 70 x 100W 70W and PG1 is set to 80 in the menu under discussion the PG1 output at PIN 9 of the telemetry card will be on when actual output power exceeds i e PTX100DDS 80 x 70W 56W Pg RFL Selection of the threshold level for reflected power good signal...

Страница 36: ...justment of the level is available in step of 0 1 dBu 12 5 dBu Dig R Selection of the left digital channel level expressed in decibel The adjustment of the level is available in step of 0 1 dBfs from 0 to 25 0 dBfs Dig L Selection of the left digital channel level expressed in decibel The adjustment of the level is available in step of 0 1 dBfs from 0 to 25 0 dBfs MPX Selection of the composite ch...

Страница 37: ...nt of the level is available in step of 0 1 dB 12 5 dB Ph Ana Selection of the analogic channels phase modality It maybe normal or inverted convenient when measuring Sub to Main The status are reproduced in the table below Ph Dig Selection of the digital channels phase modality It maybe normal or inverted convenient when measuring Sub to Main The status are reproduced in the table below Ph MPX Sel...

Страница 38: ...vel is available in step of 0 1 dB 12 5 dB referred to 20 dB PilPhs Selection of the level correction adjustment of the pilot generated expressed in degrees centigrade The adjustment of the level is available in step of 0 1 12 5 Mode A Mode D Mode X Description Stereo x x x Stereophonic mode Stereo RDS x x x Stereophonic with RDS mode Mon L x x Monophonic mode with only left channel enabled Mon L ...

Страница 39: ... is available in step of 0 1 dBfs from 12 5 to 0 dBfs Dig L Selection of the ouput level for the left digital channel expressed in decibel The adjustment of the level is available in step of 0 1 dBfs from 12 5 to 0 dBfs Monit Selection of the ouput level for the Monitor channel expressed in decibel The adjustment of the level is available in step of 0 1 dBu from 12 5 to 6 dBu Pilot Selection of th...

Страница 40: ...step of 0 1 dBr 3 dBr AGC Selection of the intervention speed selection for the left and right channels The status can be set OFF intervention disabled SLOW slow intervention speed MIDDLE medium intervention speed or FAST rapid intervention speed AGC LR Selection of the intervention level for the left and right channels expressed in decibel The adjustment of the level is available in step of 0 1 d...

Страница 41: ...ON Level 0 mV Phase 0 0 Admin Exit Figure 7 25 RDS Visualization of the RDS modality The status can be displayed ON RDS coder enabled or OFF RDS coder disabled Level Selection of the pilot tone level at 57KHz expressed in millivolt The adjustment of the level is available in step of 1 mVpp from 0 to 150 mVpp Phase Selection of the pilot tone phase at 57KHz expressed in degrees The adjustment of th...

Страница 42: ...Selection of the power recovery intervention in case of PPS signal lack The adjustment of the value is available in step of 1 min from 0 to 240 min Gpsint Selection of the power reduction intervention in case of GPS signal failure The adjustment of the value is available in step of 1 min from 0 to 240 min GpsRec Selection of the power recovery intervention in case of GPS signal failure The adjustm...

Страница 43: ... function enabled or OFF FSK function disabled Offset Selection of the frequency offset of character transmission expressed in kilohertz The adjustment of the value is available in step of 1 kHz from 10 to 90 kHz ReTime Selection of the repetition time for Morse code transmission expressed in minutes The adjustment of the value is available in step of 1 min from 10 to 240 min Code Selection of the...

Страница 44: ...ins power lack expressed in seconds The adjustment of the value is available step of 1 s from 0 to 240 s ExtFWD Selection of the alarm activation level in case of external forward power lack expressed in percentage The adjustment of the level is available in step of 1 from 0 alarm disabled to 99 ExtRFl Selection of the alarm activation level in case of external reflected power lack expressed in pe...

Страница 45: ...election of the digital threshold level adjustment expressed in decibel dBr The adjustment of the level is available in step of 0 2 dBr from 18 to 0 dBr MPXlev Selection of the composite threshold level adjustment expressed in decibel dBr The adjustment of the level is available in step of 0 2 dBr from 18 to 0 dBr PILlev Selection of the pilot tone threshold level adjustment expressed in decibel d...

Страница 46: ...s for I2 C and serial communications selectable from 1 to 200 Baud Selection of the baud rate for the serial port data transfer selectable between 1200 2400 4800 9600 19200 and 38400 Modem Selection of the modem modality The status can be displayed Present traditional PSTN modem function enabled GSM GSM modem function enabled or Absent modem function disabled Lang Selection of the menu language Da...

Страница 47: ...y be reset YES NO Time remaning 09 Second Figure 7 31 In order to make the reset it is necessary to move the encoder until the YES label is highlighted therefore press it By pressing the encoder on the NO label the user is brought back to the normal start up see chap 7 2 In any case after 20 seconds without selection the user is brought back to the start up screen After you had pressed the YES lab...

Страница 48: ...ght input as the value is relative to the input level set The threshold refers to reading so first of all audio processing such as PB Preemphasis Clipper ITU or A G C The input signal is considered valid if both channels are valid When you set the digital CODER as MONO_L the level of the right channel is always considered valid Signal level on MPX input which contains the analogic sum of the three...

Страница 49: ...ter The following table that sorts the sources depending on the MIXER setting from the table is possible to learn when they can use SCA inputs and what kind of emergency signals are controlled Digital Analogic MPX SCA 1 2 0 Not used 1 Not used Utilizables 1 1 Not used Not used Utilizables 2 Not used Not used 1 Utilizables 3 1 2 3 Utilizables 4 2 1 3 Utilizables 5 1 3 2 Not utilizables 6 3 1 2 Not ...

Страница 50: ...cuer enter in action through Alarms rescuer submenu Aresc When the rescuer enter in action or exit from alarm condition the switching between inputs takes place according to the timetable set in the Alarms rescuer submenu Aresc Alarm occurred time from state 1 to 2 and from state 2 to 3 is adjustable under CngTmr in the Alarms rescuer submenu Aresc No alarm occurred time from state 2 to 1 and from...

Страница 51: ...ifferent countries 7 8 A G C and Clipper 7 8 1 A G C function for Analogic and Digital audio channel The A G C function Automatic Gain Control control in feedback the input level at the end of audio processing Low Pass Preemphasis etc and needs to keep the audio signal at 0dBu level avoiding to have signals continuously low or that continuously takes up the CLIPPER The control is set with an absol...

Страница 52: ...esent on MPX Furthermore the control occurs on the sum of MPX and SCA 7 8 3 Clipper function The CLIPPER function cuts all signals above 0dB The Clipper on audio inputs is filtered to avoid compromising on pilot tone RDS signal and any SCA The Clipper on MPX input is for security it cuts the signals in surplus but does not give any protection on pilot tone RDS and SCA The distortion of clipper is ...

Страница 53: ...nes 1 1 ratio modulation at FM 75 kHz 0 03 Transient intermodulation distortion Measured with a 3 18 kHz square wave and a 15 kHz sine wave at 75 kHz FM 0 1 typical 0 05 400Hz 5kHz dB 70 40Hz 15kHz dB 60 Main Sub Ratio 30Hz 15kHz dB 40 typical 45 SCA OPERATION Frequency response 40kHz 100kHz dB 0 5 AUDIO INPUTS Connector XLR F Type balanced or externally unbalanced Impedance Ohm 10 k or 600 Input ...

Страница 54: ...e by internal switch 12 5 to 12 5 12 5 to 12 5 0 1 dB step variable by software BNC BNC unbalanced unbalanced 10 k 10 k 12 5 to 12 5 12 5 to 12 5 0 1 dB step variable by software XLR AES EBU 24 96 KhZ XLR AES EBU 24 96 KhZ balanced balanced 75 or 110 75 or 110 Selectable by internal switch 3 to 10 3 to 10 0 1 dB step variable by software TosLink F05 EIAJ TosLink F05 EIAJ 75 75 Selectable by intern...

Страница 55: ...pointed out Figure 9 1 1 TRDSP5 TRDSP board 2 SL034TL1001 TLM panel distribution card 3 SL034TL2002 RS232 card 4 SL034IN2002 Remote interface card 5 SLPA30WMOS02 SL034BI1003 Power amplifier and RF control card 30W version SLPA150WMOS SL034BI2003 Power amplifier and RF control card 100W or 150W version 6 PSL300DDS Power supply card 28V 10A 7 SL034IN1001 USB connector card 8 SL174MD1001 FM modulator...

Страница 56: ...s circuit performs other functions Checks output power level depending on the setting Reduces delivered power in presence of high level reflected power Measures direct and reflected power by means of directional couplers Measures the current absorbed by the power amplifier Measures temperature Filters the pass low of the output RF signal This board also features an RF sampling of approximately 13d...

Страница 57: ...s the following tasks input selection level adjustment and processing filtering and preemphasis stereophonic coding RDS Radio Data System signal generation The TRDSP accepts audio inputs in digital form AES EBU or Left and Right analogue inputs that are immediately converted into digital format A D A digital input is automatically selected when present but analogue input selection can be forced wi...

Страница 58: ... 15 kHz Stereophonic separation 65 dB 30 Hz 15 kHz Distortion 0 03 In addition the digitally processed signal enables frequency deviation limitation while avoiding the distortion issues typically experienced with analogue clippers At TRDSP output the total signal MPX RDS is converted into analogue form D A and passed on to the standard up converter section of PTX DDS ...

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