R.V.R. Elettronica TEX1000LIGHT User Manual Download Page 40

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R.V.R Elettronica

Via del Fonditore, 2 / 2c

Zona Industriale Roveri

40138 Bologna

Italy

Phone: +39 051 6010506

Fax: +39 051 6011104

e-mail: [email protected]

web: http://www.rvr.it

All other trademarks, trade names or logos used are property of their respective owners.

Summary of Contents for TEX1000LIGHT

Page 1: ...TEX1000LIGHT TEX1000LIGHT USER MANUAL VOLUME1 Manufactured by R V R ELETTRONICA Italy ...

Page 2: ...Date Version Reason Editor 07 08 2017 1 0 First Version J H Berti 06 07 2020 1 1 Technical Specification Update J H Berti Notification of intended purpose and limitations of product use This product is a FM transmitter intended for FM audio broadcasting It utili ses operating frequencies not harmonised in the intended countries of use The user must obtain a license before using the product in inte...

Page 3: ...tion Measured with a 1 KHz 1 3 KHz tones 1 1ratio 75 kHz FM 0 05 Transient intermodulation distortion 3 18 kHz square wave 15 kHz sine wave 75 kHz FM 0 1 typical 0 05 Stereo separation 30Hz 53kHz dB 50 dB typical 60 RMS 75 kHz peak HPF 20Hz LPF 23 kHz 50 μS de emphasis L R demodulated dB 73 75 typical Qpk 75 kHz peak CCIR weighted 50 μS de emphasis L R demodulated dB 65 dB Qpk 40 kHz peak CCIR wei...

Page 4: ...nnector BNC For RDS and isofrequency synchronizing purpose Impedance Ohm 5 k Output Level Vpp 1 Interlock Connector 2 x BNC Input and output for remote power inhibition short is RF off Service Connector DB9 F Factory reserved for firmware program Remote Interface Connector DB15F IIC 5 analog digital inputs 5 analog digital outputs FUSES On Mains 2 External fuse F 25 T 10 x 38 mm On services On PA ...

Page 5: ...Panel Description 6 4 5 Connector Pinouts 7 5 Quick guide for installation and use 9 5 1 Preparation 9 5 2 First power on and setup 10 5 3 Operation 13 5 4 Management Firmware 15 5 5 Optional functions 20 6 Module identification 23 6 1 Top view 23 6 2 Bottom view 24 7 Working Principles 25 7 1 Power supply 25 7 2 Interface board 27 7 3 Panel board 27 7 4 Main Board 27 7 5 Driver Board 28 7 6 Power...

Page 6: ...iv User Manual Rev 1 1 06 07 20 TEX1000LIGHT This page was intentionally left blank ...

Page 7: ...cies in this manual including the products and the software described herein R V R Elettronica reserves the right to make changes to equipment design and or specifications and to this manual at any time without prior notice Notice concerning product intended purpose and use limitations This product is a radio transmitter suitable for frequency modulation audio radio broadcasting Its operating freq...

Page 8: ...ive 2 quick rescue breaths after each 15 compressions Two rescuers one rescue breath after each 5 compressions Do not stop chest compressions while giving artificial breathing Call for medical help as soon as possible 3 1 2 If the victim is conscious Cover victim with a blanket Try to reassure the victim Loosen the victim s clothing and have him her lie down Call for medical help as soon as possib...

Page 9: ...pment for example from 500W to 1050W in case of TEX1000LIGHT outside these limits the equipment is able to work properly but can not guarantee an efficiency of 70 This transmitters incorporate a low pass filter to keep harmonics below the limits provided for by international standards CCIR FCC or ETSI and can be connected directly to the antenna Two major features of TEX1000LIGHT is compact design...

Page 10: ...lay of exciter operating parameters Communication with external devices such as programming or telemetry systems via RS232 serial interface or I2 C Four LEDs on the front panel provide the following status indications ON LOCK FOLDBACK and RF MUTE The exciter management firmware is based on a menu system User has four navigation buttons available to browse submenus ESC ed ENTER The rear panel featu...

Page 11: ...atic Gain Control kicks in 5 R F MUTE Yellow LED Turns on when exciter power output is inhibited by an external interlock signal 6 CONTRAST Display contrast trimmer 7 ALARMS PS1 Not used 6 ESC Press this button to exit a menu 7 Navigation button used to browse menu system and edit parameters 8 Navigation button used to browse menu system and edit parameters 9 ENTER Press this button to confirm a m...

Page 12: ...MPX Unbalanced MPX input BNC connector 14 SCA2 ADJ Trimmer for SCA2 input level adjustment 15 MPX ADJ Trimmer for MPX input level adjustment 16 SCA1 ADJ Trimmer for SCA1 input level adjustment 17 RIGHT ADJ Trimmer for right input level adjustment 18 RIGHT Right audio channel input XLR connector 19 IMPEDANCE Dip switch used to select balanced audio input impedance 600 Ω or 10 kΩ 20 MAINS Connectors...

Page 13: ...ally not used or used for customized functions only with telemetry option 35 AES EBU Reserved for future implementations XLR connector for AES EBU digital audio input 37 LEFT ADJ Trimmer for left input level adjustment 38 LEFT Left audio channel input XLR connector 39 FUSE 2 Mains power supply fuse 6 3 Connector Pinouts 6 3 1 RS232 Type Female DB9 1 NC 2 SDA 3 SCL 4 NC 5 GND 6 NC 7 NC 8 NC 9 NC 6 ...

Page 14: ...V F S 6 FWD Tlm ANL OUT Forward power 3 9V F S 7 Power Good DIG OUT Indicates activation by switching the normally open contact to ground sect 5 4 1 8 GND Ground 9 GND Ground 10 Ext AGC RFL IN Ext signal 1 12V for limitation AGC 11 SCL IIC I O Clock for IIC communication 12 IPA Tlm ANL OUT PA supply current 3 9V F S 13 RFL Tlm ANL OUT Reflected power 3 9V F S 14 On cmd DIG IN A pulse towards groun...

Page 15: ...s 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 equipment is integrated be sure to have the Final Test Table supplied with the equipment ready at hand throughout the whole procedure the Final Test Table lists all operating parameters as set and tested at the factory ...

Page 16: ...ff Connect the transmitter INTERLOCK IN input to the matching INTERLOCK OUT output fitted on R V R Elettronica equipment to act as hybrid couplers If your equipment is a different brand identify an equivalent output WARNING Electric shock hazard Never handle the RF output connector when the equipment is powered on and no load is connected Injury or death may result Ensure that the POWER switch on ...

Page 17: ...ut power is modulated based on the power level set by the user and actual operating conditions such as temperature reflected power and other parameters Please read section 5 3 for more details of RF power modulation Access the Power Setup Menu pressing the following keys in the order ESC opens Default Menu ENTER hold down for 2 seconds Use the keys and in the SET menu to set exciter output power t...

Page 18: ... Input level for 75 kHz deviation 0 dB Mono 38 37 13 13 dBm Input sensitivity in Stereo mode Input Figure 6 2 Trimmer Sensitivity Note MPX 12 14 20 13 dBm Input level for 75 kHz deviation 0 dB SCA1 11 15 8 13 dBm SCA2 10 13 8 13 dBm Input level for 7 5 kHz deviation 20 dB Left 34 33 13 13 dBm Right 17 16 13 13 dBm Input level for 75 kHz deviation 0 dB When setting input sensitivity please consider...

Page 19: ... ON light turns on Machine name should appear briefly on the display quickly followed by forward and reflected power readings Menu 1 provided that the exciter is delivering output power Menù 1 1b To modify power level setting hold down the ENTER button until opening the power setup menu The edit screen will look like this Menù 2 Next to SET indication a bar provides a graphic display of preset out...

Page 20: ...rol move cursor to LOC and press ENTER label will change to LOCAL i e local control operation mode In the same menu ensure that power limiting is disabled if PWR is set to OFF i e power output is disabled move cursor to PWR Press ENTER and label will switch to ON i e power output enabled Press ESC twice to go back to the default menu menu 1 3 Fine tune power setting from menu 2 see description of ...

Page 21: ...This symbol appears in menus that take up more than two lines to aid browsing Three empty arrows Parameter is being edited Empty arrow Current line marker the parameter in this line cannot be edited This symbol appears in menus that take up more than two lines to aid browsing Menu 1 Operation Menu Power Menu Power Amplifier Menu Settings Menu Versions Menu Miscellaneous Menu Menu 3 Menu 2 Menu 4 M...

Page 22: ...ower output is re enabled with the same settings in use prior to the alarm condition Under 20kHz no modulation occurs After a preset time of about 5 minutes not editable a NO AUDIO condition is indicated in the main screen but power is not inhibited State 2 To gain access to a submenu select menu name name is highlighted by cursor using button or and press the ENTER button To return to the default...

Page 23: ...vels such as those caused by pilot tone or subcarriers PgD Modifies Power Good threshold for forward power The Power Good rate is a percent of equipment rated power 1000W for TEX1000LIGHT not of forward output power This means that this threshold set at 50 will give 500 W regardless of set power level The Power Good feature enables output power control and reporting When output power drops below s...

Page 24: ...5 4 3 Power Amplifier P A Menu This screen is made up of four lines that can be scrolled using the and buttons and shows the readings relating to final power stage Menu 6 Note that these are readings rather than settings and cannot be edited note the empty arrow VPA Voltage supplied by amplifier module IPA Current draw of amplifier module Eff Efficiency based on ratio of forward power to amplifier...

Page 25: ...g is retained 5 4 5 Miscellaneous Menu Mix This menu lets you set equipment address in an I2 C bus serial connection Menu 8 IIC I2 C address setting The I2 C network address becomes significant when the exciter is connected in an RVR transmission system that uses this protocol Do not change it unless strictly required 5 4 6 Version Menu Vrs This screen holds equipment version release information M...

Page 26: ...s Outlined below are the functions available at the moment which must be specified on order 5 5 1 FSK option The FSK function generates periodic carrier frequency shifts to generate a Morse coded station ID code NOTE This function is typically used in the USA The factory setting for frequency shift amplitude is 10KHz and code repetition period is 60 minutes please contact R V R Elettronica if you ...

Page 27: ... rear panel of TEX1000LIGHT using a standard Male DB9 Female DB9 serial cable Power on the exciter Launch the serial communication software Set communication parameters as follows Baud Rate 19200 Data Bit 8 Parity None Stop Bit 1 Flow control None Activate Caps Lock through the communication software and send string CODE followed by the 6 character station ID code followed by Enter NOTE To be trea...

Page 28: ...own cmd Disables RF output powerDecreases RF output power 5 5 3 RDS Option Built in RDS system with standard basic functions NOTE For further informations read WINRDS manual 5 5 4 Internet Telemetry Option Telemetry system via the Internet NOTE For further informations read TLW manual 5 5 5 Basic Internet Telemetry Option Basic telemetry system via the Internet NOTE For further informations read T...

Page 29: ...and replacement if needed 6 1 Top view The figure below shows a top view of the equipment and component locations 1 2 5 3 4 6 7 8 9 10 11 12 13 Figure 6 1 1 BIAS board 2 Panel board 3 PS Interface board 4 Power Supply unit 5 Surge Protection board 6 Main Board 7 FAN 8 Temperature Measure Board 9 Driver Board 10 Splitter board 11 RF module 12 Fuse board 13 Combiner board ...

Page 30: ... 06 07 20 TEX1000LIGHT 6 2 Bottom view Figure 6 2 below shows a bottom view of the equipment and component locations 1 2 3 4 5 Figure 6 2 1 FAN 2 Telemetry board 3 Surge Protection board 4 Service Power supply 5 Interface board ...

Page 31: ... Technical Schedule Vol 2 7 1 Power supply The TEX1000LIGHT power supply sections it can be divided into 3 basic sections 1 Surge Protection Surge Protection board protects machine from eventual unexpected variations of the mains voltage 2 Service This section contains elements that do not regard directly the power supply 3 Power supply this unit supplies an adapted supply to RF power amplifier mo...

Page 32: ...ower supply that has a PFC unit that modulates the absorbed current so that the waveform is as sinusoidal as possible obtaining a power factor of 0 99 and can operate with input power input from 90 V to 250 V The 20 50VDC output voltage is determined by the microprocessor according to the RF power required through a control input coming from the interface board 7 2 Interface board This board perfo...

Page 33: ...s to the CPU board to enable readings to be displayed 7 4 1 Audio input section The audio input section accommodates the circuitry that performs the following tasks Input impedance selection 15 kHz filtering for R and L channels Stereophonic coding Preemphasis Mono MPX and SCA channel mixing Clipper limits modulating signal level so that frequency deviation never exceeds 75kHz Modulating signal me...

Page 34: ... international standards A directional coupler is provided at filter output to measure forward and reflected RF output power power readings are relayed to the Interface and Bias boards to enable processing and display The LPF board incorporates an RF output having a level about 60 dB lower than output level which is brought to a BNC connector This provides a convenient test point to check carrier ...

Page 35: ... draw of one RF module too high 7 9 External Telemetry Interface Board This board provides an I O interface for the CPU with the outside environment All available equipment input and output signals are brought to the REMOTE DB15 connector Also mounted on this board is the INTERLOCK IN BNC connector which can disable device power output When the central pin is closed to ground output power is limit...

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Page 40: ...06 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 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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