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R.V.R. Electronica PTX1000DDS User Manual

Fm digital transmitter for broadcast service
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PTX1000DDS
USER MANUAL
VOLUME1
Prodotto da R.V.R ELETTRONICA S.p.A. Italia

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  • Page 1 PTX1000DDS USER MANUAL VOLUME1 Prodotto da R.V.R ELETTRONICA S.p.A. Italia...
  • Page 2 Cronologia Versioni Data Versione Ragione Autore 29/11/2016 Prima Versione J. H. Berti PTX1000DDS - Manuale utente Versione 1.0 © Copyright 2016 R.V.R. Elettronica SpA Via del Fonditore 2/2c - 40138 - Bologna (Italia) Telefono: +39 051 6010506 Fax: +39 051 6011104 Email: info@rvr.it...
  • Page 3 PTX1000DDS ELETTRONICA DECLARATION OF CONFORMITY We, the undersigned, Manufacturer’s Name: R.V.R. Elettronica SpA Via del Fonditore 2/2c Manufacturer’s Address: Zona Ind. Roveri 40138 Bologna Italy Certify and declare under our sole responsibility that the product: FM Digital Transmitter for Broadcast service...

  • Page 4: Specifiche Tecniche

    PTX1000DDS ELETTRONICA Specifiche Tecniche User Manual Rev. 1.0 - 29/11/16...

  • Page 5: Table Of Contents

    PTX1000DDS ELETTRONICA Sommario Preliminary Instructions Warranty First Aid Electric shock treatment Treatment of electric burns General Description Unpacking Features Frontal Panel Description Rear Panel Description Connector Pinouts Quick guide for installation and use Using the encoder Preparation First power-on and setup...
  • Page 6 PTX1000DDS ELETTRONICA Pagina lasciata intenzionalmente in bianco User Manual Rev. 1.0 - 29/11/16...

  • Page 7: Preliminary Instructions

    PTX1000DDS ELETTRONICA IMPORTANT The symbol of lightning inside a triangle placed on the product, evidences the operations for which is necessary gave it full attention to avoid risk of electric shocks. The symbol of exclamation mark inside a triangle placed on the product, informs the user about the presence of instructions inside the manual that accompanies the equipment, im- portant for the efficacy and the maintenance (repairs).

  • Page 8: First Aid

    PTX1000DDS ELETTRONICA • One rescuer: give 2 quick rescue breaths after each 15 compressions. Units returned without a return authorisation may be rejected and sent back to the sender. • Two rescuers: one rescue breath after each 5 compressions. Be sure to include a detailed report mentioning all problems you have found and copy of your original •...

  • Page 9: General Description

    4. General Description The PTX1000DDS is a FM digital exciter DDS (Direct Digital Synthesizer), manufactured by R.V.R. Elettronica SpA. The PTX1000DDS is designed to being contained into a 19” rack box of 3HE. 4.1 Unpacking The package contains:  1 PTX1000DDS  1 User Manual...
  • Page 10 PTX1000DDS ELETTRONICA The PTX1000DDS design is based on a modular concept: the different functions are performed by modules that are connected directly through male and female connectors or through flat cables terminated by connectors. This design facilitates maintenance and module replacement.

  • Page 11: Frontal Panel Description

    PTX1000DDS ELETTRONICA 4.3 Frontal Panel Description Figure 4.1 USB connector for upgrades and communications with TELECON software. F.BACK Yellow LED, it is lit on when the foldback function is operating (automatic reduction of the delivered RF power). PWR OK Green LED, it is lit on when the delivering output power get over the thresholds of PGset set up in PGSET menu.

  • Page 12: Rear Panel Description

    PTX1000DDS ELETTRONICA 4.4 Rear Panel Description Figure 4.2 FAN 1 External forced cooling fan. FAN PLUG 2 Power supply connector for the forced cooling fan. FAN PLUG 1 Power supply connector for the forced cooling fan. FAN 2 External forced cooling fan.

  • Page 13: Connector Pinouts

    PTX1000DDS ELETTRONICA 4.5 Connector Pinouts 4.5.1 Remote Type: DB15 female Ext Rem Interlock input, disables tx if connected to ground Ext Fwd Pwr Analogue input for forward power from external amplifier Analogue Input 5 (0 - 5V) or I C bus SDA (*)
  • Page 14 PTX1000DDS ELETTRONICA 4.5.4 GPS EXT Type: DB9 female PS FAULT INPUT Reserved Reserved Reserved 4.5.5 RDS REMOTE Type: DB9 male RDS MS RDS TA RDS TP +3V3 Reserved Reserved Reserved Reserved 4.5.6 Ethernet (Optional) Type: RJ45 female 4.5.7 DIGITAL INPUT...

  • Page 15: Quick Guide For Installation And Use

    PTX1000DDS ELETTRONICA 5. Quick guide for installation and use This section provides a step-by-step description of equipment installation and configuration procedure. Follow these procedures closely upon first power-on and each time any change is made to general configuration, such as when a new transmission station is added or the equipment is replaced.

  • Page 16: Preparation

    PTX1000DDS ELETTRONICA • 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 mod (the cursor starts blinking); after the modification of a parameter, push the button to save the new value.

  • Page 17: First Power-On And Setup

    RF output using a 50-Ohm coaxial cable with “N”-type connectors. Note: When you connect the PTX1000DDS to other devices, it is necessary to strictly follow the instructions given by the resepective manufacturers, to avoid damages or danger situations.
  • Page 18 The equipment doesn’t work correctly? Answer: • Ensure that the LOCK light turns on. It indicates the PLL is locked to working frequency, wait at least 15 seconds from the power on of PTX1000DDS. 5.3.3 Power check Question: The equipment doesn’t work correctly at the power set up? Answer: •...
  • Page 19 PTX1000DDS ELETTRONICA • Check output power level and set to maximum level (if not already set to maximum) from the Power Setup Menu, which you can call up by pressing these keys in the order: Admin ⇒ RfSet ⇒ Pwr ⇒ P.Out. In alternative is possible adjust the output power directly from main menu.
  • Page 20 PTX1000DDS ELETTRONICA Dip-Switch Set ON Set OFF C Bus disconnected. C Bus connected. 1 (SW1) - Analogic Input 5 activated. - Analogic Input 5 deactivated. - Analogic Input 6 activated. - Analogic Input 6 deactivated. 2 (SW1) Not used Not used...
  • Page 21 PTX1000DDS ELETTRONICA Figure 5.3 Dip-Switch ON position OFF position 1 & 2 L&R Input Impedance L&R Input Impedance (SW1) 600 Ω 10 kΩ 1 & 2 L&R Input Attenuation L&R Input Attenuation 12 dB 0 dB (SW2) Table 5.3: Dip-Switch configurations User Manual Rev.

  • Page 22: Operating System

    After approximately 10 seconds this screen is replaced with the default screen. 6.2 Operating System Operating System The PTX1000DDS menu system consists of a default menu and set of administration menus. The logic of the organization of the display is represented in the figures belows.
  • Page 23 PTX1000DDS ELETTRONICA Space for Space for graphic informations: symbols of Menu default 7 characters for info background 8 characters for operations measurement |---------[Admin]-[Maint]- 3 characters for unit of measurement |Menu1| |Menu2| VMeter |Menu3| |Menu4| Applications bar |Menu5| |Menu6| |Menu7| |-------Exit--------|Exit | Figure 6.3...

  • Page 24: Menu Organization

    PTX1000DDS ELETTRONICA Icon for signalling the detection of SPB490 data in RDS signal reception 6.3 Menu Organization 6.3.1 Default menu (MAIN) This is an information screen; it shows the main amplifier measures, most of this cannot be modified. Only RF Status, Frequency and Power Output are quickly modifiable from this menu.
  • Page 25 PTX1000DDS ELETTRONICA lev. Input Visualization of the audio level necessary to obtain the 100% of FM deviation expressed in dBu or dBfs Maint 6.3.2 Maintenance menu Under this menu are available detailed information regarding the status of the equipment, most of these cannot be modified but are only visualized.
  • Page 26 PTX1000DDS ELETTRONICA PAmea 6.3.2.2 Power amplifier measures submenu ( This menu provides general information on the power amplifier measures. |VPA : 00.0 |IPA : 00.0 |VCO : 00.0 |Temp. : + 00 °C | |ExtFWD:000.0 |ExtRFL:000.0 |Maint------------| Figure 6.6 Visualization of the feeding voltage of power amplifier expressed in Volt.
  • Page 27 PTX1000DDS ELETTRONICA AuLev 6.3.2.3 Audio level submenu ( This menu provides general information on the input audio level measures of the exciter. |Ana. R:+00.0 dBr| |Ana. L:+00.0 dBr| |Dig. R:+00.0 dBr| |Dig. L:+00.0 dBr| |MX/SCA:+00.0 dBr| |Maint------------| Figure 6.7 Ana. R Visualization of the right analogic channel level expressed in decibel (dBr).
  • Page 28 PTX1000DDS ELETTRONICA AuCnt 6.3.2.4 Audio control submenu ( This menu provides general information on the audio control measures of the exciter. |Clip. :OFF |ClipLR:+00.0 dB | |Clip X:+00.0 dB | |Ph.Ana:+(L = R) |Ph.Dig:+(L =-R) |PhsMpx:-( MPX ) |Maint------------| Figure 6.8...
  • Page 29 PTX1000DDS ELETTRONICA BdCnt 6.3.2.5 Board control submenu ( This menu provides general information on the exciter control adjustments of the exciter. |Input :Analog |Mode A:Mono |Mode D:Auto |Mode X:Stereo |Preemp: uS | |PilLev:+00.0 dB | |PilPhs:+00.0 Deg| |Maint------------| Figure 6.9...
  • Page 30 PTX1000DDS ELETTRONICA OuLev 6.3.2.6 Output level submenu ( This menu provides general information on the output level measures. |Dig. R:+00.0 dBf| |Dig. L:+00.0 dBf| |Monit.:+00.0 dBu| |Pilot :+00.0 dBu| |Maint------------| Figure 6.10 Dig. R Visualization of the ouput level for the right digital channel expressed in decibel (dBfs).
  • Page 31 PTX1000DDS ELETTRONICA ITUst 6.3.2.7 I.T.U. and A.G.C status Submenu ( This menu provides general information on the ITU (International Telecommunications Union) and AGC (Automatic Gain Control) setups. |ITU |ITULev:+00.0 dB | |ITUadj:+00.0 dBr| |AGC :OFF L&R| |AGC LR:+00.0 dB |...
  • Page 32 PTX1000DDS ELETTRONICA RDSst 6.3.2.8 RDS status submenu ( This menu provides general information on the RDS (Radio Data System) setups. |DSN |PTY |Maint------------| Figure 6.12 Visualization of the DSN put on the air (Data Source Name). Visualization of the text put on the air (Program Service).
  • Page 33 PTX1000DDS ELETTRONICA EXTst 6.3.2.9 External status submenu ( This menu provides general information on the external analogic status. 0.00 0.00 0.00 0.00 : Disabled | : Disabled | |MAINS : Disabled | |Maint------------| Figure 6.13 Visualization of the input voltage on pin 6 of REMOTE connector expressed in Volts (max 5 V).
  • Page 34 PTX1000DDS ELETTRONICA AlmLt 6.3.2.10 Alarms list submenu ( This menu provides general information on the last twenty alarms stored in a non volatile memory from the exciter. In case the buffer is full, the previous alarms stored will have replaced with the new one, normally it visualized the last alarm saved in memory.
  • Page 35 PTX1000DDS ELETTRONICA Info 6.3.2.11 Firmware informations submenu ( This menu provides general information on the firmware installated and jumper setting in the exciter. Note: if the version isn’t supported is displayed “!!!ERROR!!!” (i.e.: after a new release firmware upgrade). |Bios:BIOS-000300 | |App.:PTDS-000100 |...
  • Page 36 PTX1000DDS ELETTRONICA InfoM 6.3.2.12 Modem informations submenu ( This menu provides general information on the modem in case it is installated. |SCN:+393359609600| |Nam:I TIM |SigLev:-99 |Retry : |Dial :ATDT |N. SMS: 50 |Stat.:Not in use | |Maint------------| Figure 6.16 Visualization of the Service Centre Number.
  • Page 37 PTX1000DDS ELETTRONICA 6.3.3 Administration menu Admin Under this menu are available advanced information regarding the status of the equipment and most of these can be modified. Turning the encoder, you can move the cursor to the next submenu label, while its informations and measures appears in the centre of the window.
  • Page 38 PTX1000DDS ELETTRONICA RFset 6.3.3.1 RF setting submenu ( This menu provides general the RF setting of the exciter. |Freq. :000.000Mhz| |F.Step:000 kHz| |P.Out :000 |Rise t:000 Sec| |FWD |RFL |Admin---[Exit]---| Figure 6.17 Selection of the equipment power status. The status can be set ON (RF power output enabled) or OFF (RF power output disabled).
  • Page 39 For example: assuming that power set in the default menu is 70% of machine rated power (i.e.: PTX1000DDS 70% x 1000W = 700W) 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.: PTX1000DDS 80% x 700W = 560W).
  • Page 40 PTX1000DDS ELETTRONICA AuREG 6.3.3.3 Audio regulation submenu ( This menu provides the audio level setting of the exciter. When the exciter is set in STEREO mode from the BdSet menu, the same level adjustment is forced on both channels. The enabling for SCA operation is dependent also from the selection into the BdSet menu.
  • Page 41 PTX1000DDS ELETTRONICA AuSet 6.3.3.4 Audio setting submenu ( This menu provides the audio control setting of the exciter. |Clip. :OFF |ClipLR:+00.0 dB | |Clip X:+00.0 dB | |Ph.Ana:(L = R)+ |Ph.Dig:(L =-R)+ |Ph.Mpx:( MPX )- |Admin---[Exit]---| Figure 6.20 Clip Selection of the clipper modality. The status can be set OFF (Clipper...
  • Page 42 PTX1000DDS ELETTRONICA |Input :Analog |Mode A:Mono |Mode D:Auto |Mode X:Stereo |Preemp: uS | |PilLev:+00.0 dB | |PilPhs:+00.0 Deg| |Admin---[Exit]---| Figure 6.21 Input Selection of the audio input modality or the automatic rescuer activation. The status can be set Analog (analogic inputs), Digital (digital inputs), MPX (composite input) or Auto A-D-X (automatic input rescuer).
  • Page 43 PTX1000DDS ELETTRONICA OuReg 6.3.3.6 Output regulation submenu ( This menu provides the output level setting of the exciter. |Dig. R:+00.0 dBf| |Dig. L:+00.0 dBf| |Monit.:+00.0 dBu| |Pilot :+00.0 dBu| |Admin---[Exit]---| Figure 6.22 Dig. R Selection of the ouput level for the right digital channel expressed in decibel.
  • Page 44 PTX1000DDS ELETTRONICA 6.3.3.7 I.T.U. and A.G.C setting Submenu ( This menu provides the ITU (International Telecommunications Union) and AGC (Automatic Gain Control) setting of the exciter. |ITU |ITULev:+00.0 dB | |ITUadj:+00.0 dBr| |AGC :OFF L&R| |AGC LR:+00.0 dB | |AGC...
  • Page 45 PTX1000DDS ELETTRONICA 6.3.3.8 RDS setting submenu ( The menu provides the RDS (Radio Data System) setting of the exciter. The enabling for RDS operation is dependent also from the selection into the BdSet menu. |RDS |Level : mV | |Phase : °...
  • Page 46 PTX1000DDS ELETTRONICA 6.3.3.9 SFN submenu ( This menu provides the SFN (Single Frequency Network) setting of the exciter. |P.Red.:ON |PpsInt:100 min| |PpsRec: 10 min| |GpsInt:200 min| |GpsRec: min| |Power : 50 |Delay : 0.000 us| |Admin---[Exit]---| Figure 6.25 Enable Selection of the SFN modality in case of synchrony lack. The status can be displayed ON (power reduction enabled) or OFF (power reduction disabled).
  • Page 47 PTX1000DDS ELETTRONICA 6.3.3.10 FSK submenu ( This menu provides the FSK (Frequency Shift Keying) setting of the exciter. |Enable:OFF |Offset: 10 kHz| |ReTime: 10 min| |Code :RVRCOD |Admin---[Exit]---| Figure 6.26 Enable Selection of the FSK modality. The status can be displayed ON (FSK function enabled) or OFF (FSK function disabled).
  • Page 48 PTX1000DDS ELETTRONICA |FWD :00% 000s| |RFL :00% 000s| |Audio :00kHz 000s| |Mains : 000s| |ExtFWD:00% 000s| |ExtRFL:00% 000s| |Admin---[Exit]---| Figure 6.27 Selection of the alarm activation level in case of forward power lack expressed in percentage. The adjustment of the level is available in step of 1 % from 0 (alarm disabled) to 99 %.
  • Page 49 PTX1000DDS ELETTRONICA Aresc 6.3.3.12 Alarms rescuer submenu ( This menu provides the alarm rescuer of the exciter. |Status:Disable |AnaLev:-00 dBr| |DigLev:-00 dBr| |MpxLev:-00 dBr| |PilLev:-00 dBr| |CngTmr:000s 000s | |RecTmr:000m 000m | |Admin---[Exit]---| Figure 6.28 Status Visualization of the alarm rescuer status. The status can be...
  • Page 50 PTX1000DDS ELETTRONICA GnSet 6.3.3.13 General setting submenu ( This menu provides the general setting (as modem, serial interface, time, etc.) of the exciter. |Uart |Baud : 9600 |Modem :Absent |Lang. :English |Date :00/00/00 |Time :00:00:00 |Admin---[Exit]---| Figure 6.29 Uart Selection of the address for I C and serial communications, selectable from 1 to 200.

  • Page 51: Set Up Reset

    PTX1000DDS ELETTRONICA 6.4 Set up Reset To reset completely the PTX1000DDS to the factory set up, if necessary, follow the next instructions. The user must hold pressed the encoder, therefore switch on the PTX1000DDS, it will be displayed the following screen:...

  • Page 52: Modules Identification

    PTX1000DDS ELETTRONICA 7. Modules Identification The PTX1000DDS is made up of various modules linked to each other through connectors so as to make maintenance and any required module replacement easier. 7.1 Top View The figure below shows the equipment top view with the various component pointed out.

  • Page 53: Bottom View

    USB connector card 7.3 Power supply unit The PTX1000DDS power supply unit is a switching-type unit whose +34 V main output powers the machine’s RF amplifier. The power supply also features stabilizers for generating continuous +5 V, -15V, +8V and +18 V voltages for powering the other device circuits.

  • Page 54: Power Amplifier

    The 1Mb Flash Memory enables firmware update through direct connection of PTX1000DDS RS232 output to the serial port of a PC. User Manual / 54...

  • Page 55: Trdsp Card

    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 PTX1000DDS. User Manual Rev. 1.0 - 29/11/16...

  • Page 56: Description Of The Functionalities

    PTX1000DDS ELETTRONICA 8. Description of the functionalities 8.1 Audio Rescuer 8.1.1 Preliminary Considerations The TRDSP card has available an Optical-AES/EBU digital input, two balanced analog inputs (audio channel left and right) for stereo broadcast, unbalanced MPX input scanned up to 100 kHz and 2 SCA adjustable inputs mixed in analogic with MPX input.
  • Page 57 PTX1000DDS ELETTRONICA Analogic Digital Audio MPX Audio Digital Pilot Tone Audio level Level Level Stream Plot STEREO R & L - - - - - - - - - - - - - - - - Analogic MONO L - - - -...

  • Page 58: I.t.u

    PTX1000DDS ELETTRONICA 8.1.4 Operation of rescuer First of all, select the audio input modality or the automatic rescuer activation the audio input modality or the automatic rescuer activation BdSet through Board setting submenu ( State 1 State 2 State 3...

  • Page 59: And Clipper

    PTX1000DDS ELETTRONICA this function, the AGC is automatically switched off and the CLIPPER R & L function is added. The I.T.U. function does not gain on input signal, but it is able to attenuate the input level until to 20dB.
  • Page 60 PTX1000DDS ELETTRONICA 8.3.3 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.
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  • Page 64 ISO 9001:2000 certified since 2000 R.V.R Elettronica S.p.A. Via del Fonditore, 2 / 2c Zona Industriale Roveri · 40138 Bologna · Italy Phone: +39 051 6010506 · Fax: +39 051 6011104 e-mail: info@rvr.it ·web: http://www.rvr.it The RVR Logo, and others referenced RVR products and services are trademarks of RVR Elettronica S.p.A. in Italy, other countries or both. RVR ® 1998 all rights reserved. All other trademarks, trade names or logos used are property of their respective owners.

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