1. Manuals
  2. Brands
  3. R.V.R. Elettronica Manuals
  4. Transmitter
  5. TEX2500LCD
  6. User manual

R.V.R. Elettronica TEX2500LCD User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
TEX2500LCD
TEX2500LCD
USER MANUAL
VOLUME1
Manufactured by R.V.R ELETTRONICA Italy

Advertisement

Table of Contents
loading

Related Manuals for R.V.R. Elettronica TEX2500LCD

Summary of Contents for R.V.R. Elettronica TEX2500LCD

  • Page 1 TEX2500LCD TEX2500LCD USER MANUAL VOLUME1 Manufactured by R.V.R ELETTRONICA Italy...
  • Page 2 Limitations of use can apply in respect of operating freuency, transmitter power and/or channel spacing. Declaration of Conformity Hereby, R.V.R. Elettronica, declares that this FM transmitter is in complian- ce with the essential requirements and other relevant provisions of Directive 2014/53/EU.
  • Page 3 TEX2500LCD Technical Specifications TEX2500LCD Parameters U.M. Value Notes GENERALS Frequency range 87.5 ÷ 108 Rated output power 2500 Continuously variable by software from 0 to maximum Modulation type F3E Direct carrier frequency Operational Mode Mono, Stereo, Multiplex Working temperature °C...
  • Page 4 TEX2500LCD AUDIO INPUTS Connector XLR F Type Balanced Left / Mono Impedance 10 k or 600 Selectable by rear panel dip switches Input Level /Adjust -13 to +13 continuosly variable Connector XLR F Type Balanced Right Impedance 10 k or 600...

  • Page 5: Table Of Contents

    Connectors Pinouts Quick guide for installation and use Preparation First power-on and setup Operation Management Firmware Optional functions Module identification Top view (TEX2500LCD) Bottom view (TEX2500LCD) Working Principles Power Supply Intercace Board Panel board Main Board Driver Board Power Amplifier...
  • Page 6 TEX2500LCD This page was intentionally left blank User Manual Rev. 1.1 - 06/07/20...

  • Page 7: Preliminary Instructions

    La R.V.R. Elettronica warrants this product to be free from defects in workmanship and its proper operation subject to R.V.R. Elettronica shall not be liable for injury to persons or the limitations set forth in the supplied Terms and Conditions.

  • Page 8: First Aid

    TEX2500LCD be rejected and sent back to the sender. • Do not stop chest compressions while giving Be sure to include a detailed report mentioning all problems you have found and copy of your original artificial breathing. invoice (to show when the warranty period began) with •...

  • Page 9: General Description

    87.5 to 108 MHz band in 10kHz steps, featuring adjustable RF output up to 2500 W, respectively, under 50 Ohm standard load. TEX2500LCD is designed to being contained into a 19” rack box of 3HE. 4.1 Unpacking The package contains:  1 TEX2500LCD...
  • Page 10 PLL (Phase Locked Loop) system. The transmitter will go into frequency lock within 30 seconds after power-on. TEX2500LCD can operate throughout the frequency bank with no need for calibration or set-up. An LCD on the front panel and a push-button panel provide for user interfacing with the microprocessor control system, which implements the following features: •...

  • Page 11: Frontal Panel Description

    TEX2500LCD 4.3 Frontal Panel Description Figure 6.1 [1] ON Green LED - Turns on when exciter is powered on. [2] LOCK Green LED verde - Turns on when PLL is locked to operating frequency. [3] FOLDBACK Yellow LED - Turns on when foldback current limiting (Automatic Gain Control) kicks in.

  • Page 12: Rear Panel Description

    TEX2500LCD 4.4 Rear Panel Description Figure 6.2 [1] R.F. TEST Output with level -60 dB lower than output power level, suitable for modulation monitoring. Not suitable for spectrum analysis. [2] GSM SLOT-IN Reserved for future implementations. [3] GSM ANT Reserved for future implementations.

  • Page 13: Connectors Pinouts

    TEX2500LCD [31] RS232 Reserved for future implementations. [32] I2C BUS Reserved for future implementations. [33] LEFT ADJ Trimmer for left input level adjustment. [34] LEFT Left audio channel input XLR connector. [35] FUSE 2 Mains power supply fuse. 4.5 Connector Pinouts 4.5.1 RS232...
  • Page 14 TEX2500LCD 4.3.4 Remote Type: Female DB15 Pin Name Type Purpose Interlock Inhibits power if closed to Ext AGC FWD Ext. signal,1-12V, for limitation (AGC) Ground SDA IIC Serial data for IIC communication VPA Tlm ANL OUT PA supply voltage: 3.9V F.S.

  • Page 15: Quick Guide For Installation And Use

    TEX2500LCD 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: First Power-On And Setup

    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.
  • Page 17 TEX2500LCD 5.2.2 Power check Ensure that the ON LED turns on. Forward power and modulation readings should appear briefly on the display. If the RF output is disabled, those readings will be zero. When the PLL locks to operating frequency, the LOCK LED will turn on.
  • Page 18 TEX2500LCD 5.2.6 Setting equipment I C address Change the IIC address in the MIX (Miscellaneous) menu as desired (factory setting is 01). Please read section 5.4.1 for more details. 5.2.7 Adjustments and calibration The only manual adjustments are the level adjustments and the audio mode adjustment.

  • Page 19: Operation

    TEX2500LCD • L and R (XLR type) input impedance: Switch 1: R XLR input impedance, ON = 600 W, OFF = 10 kW Switch 2: L XLR input impedance, ON = 600 W, OFF = 10 kW • MPX input operation mode/impedance:...
  • Page 20 TEX2500LCD ≅ 75% of nominal power 50% output power Half bar ≅ 1875W in output (mod.TEX2500LCD) ≅ 40% of nominal power 25% output power 1/4 bar ≅ 1000W in output (mod.TEX2500LCD) The bottom line provides instantaneous power reading (in this example 2.47kW, falling below 1.6kW the reading back to Watt.

  • Page 21: Management Firmware

    TEX2500LCD 5.4 Management Firmware The machine features an LCD with two lines by 16 characters that displays a set of menus. Figure 5.2 below provides an overview of machine menus. The symbols listed below appear in the left portion of the display as appropriate: (Cursor) - Highlights selected (i.e.
  • Page 22 TEX2500LCD When the display is on, pressing the ESC button from the default menu (menu 1) calls up the selection screen (menu 3), which gives access to all other menus: Menu 3 If the temperature alarm is enabled and the alarm threshold is exceeded, the...
  • Page 23 Modifies Power Good threshold for forward power. The Power Good rate is a percent of equipment rated power (2500W for TEX2500LCD), not of forward output power. This means that this threshold set at 50% will give 1250 W, respectively, regardless of set power level.
  • Page 24 TEX2500LCD 5.4.2 Power Menu (Pwr) This screen holds all readings related to equipment output power: Menù 5 Forward power reading. Reflected power reading. Note that these are readings, rather than settings, and cannot be edited (note the empty triangle). To change power setting, go to the default menu as outlined earlier.
  • Page 25 TEX2500LCD 5.4.4 Setup Menu (Set) This menu lets you view and set operating frequency. Menu 7 Operating frequency setup. Set a new frequency value and then press the ENTER button to confirm your selection; the exciter unlocks from current frequency (the LOCK LED turns off) and will lock to the new operating frequency (LOCK turns back on again).

  • Page 26: Optional Functions

    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 need different settings), whereas station identified may be programmed by the user following the indications provided in section 5.5.1.1.
  • Page 27 A brief description of the procedure is provided below: • Connect the PC serial port COM to the SERVICE connector on the rear panel of TEX2500LCD using a standard Male DB9 - Female DB9 serial cable. • Power on the exciter;...
  • Page 28 TEX2500LCD RF section on / off control signals are treated as control signals for RF output power level to allow for UP/DOWN setting. The UP or DOWN command is provided by switching the corresponding signal at the connector to ground for at least 500mS (pin features internal pull-up to power supply).

  • Page 29: Module Identification

    TEX2500LCD 6. Module identification TEX2500LCD is made up of several modules connected through connectors to facilitate maintenance and replacement (if needed). 6.1 Top view (TEX2500LCD) The figure below shows a top view of the equipment and component locations. Figure 6.1...

  • Page 30: Bottom View (Tex2500Lcd)

    TEX2500LCD 6.2 Bottom view (TEX2500LCD) Figure 6.2 below shows a bottom view of the equipment and component locations. Figure 6.2 [1] FAN2 [2] Telemetry board [3] Surge Protection board [4] Service Power supply [5] Interface board [6] PS LED board...

  • Page 31: Working Principles

    “Technical Schedule” Vol.2. 7.1 Power supply The TEX2500LCD power supply sections is made up of a surge protection module and two power supply units: 1. Surge Protection: Surge Protection board protects machine from eventual unexpected variations of the mains voltage.

  • Page 32: Intercace Board

    TEX2500LCD 7.1.1 Mains power supply surge protection This module is enclosed in a sealed metal case; it features two externally mounted mains fuses and accommodates a bank of surge arresters that protect the machine from any surge events in the power mains.

  • Page 33: Panel Board

    TEX2500LCD Board; • It processes and provides interfacing of the control signals to/from the Panel Board. • It feeds and operates the cooling fans; • It feeds and controls the LED indicator board. 7.3 Panel board The panel board accommodates the microcontroller that runs equipment firmware and all user interface elements (display, LEDs, keys, …).

  • Page 34: Driver Board

    RF signal before it is relayed to the final power amplifier. When the exciter is placed into stand-by mode, the driver is inhibited, too. By entering with 5dBm it is able to deliver up to 32 W for TEX2500LCD. 7.6 Power amplifier...

  • Page 35: Bias Board

    TEX2500LCD 7.8 BIAS board The main purpose of this board is to control and correct the bias voltage of the RF amplification section MOSFETs. It also provides a measure of the total current drawn by the RF modules and incorporates a dedicated circuit for power supply fault reporting.
  • Page 36 TEX2500LCD This page was intentionally left blank / 30 User Manual Rev. 1.1 - 06/07/20...
  • Page 37 ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________...
  • Page 38 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: 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.

Table of Contents