Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.2.3.1. Digital board Topography ref.1 ♦ This version is designed upon FPGA hardware and is dedicated to MediaFLO. ♦ The serial incoming data stream signal is processed by the channel encoder, which provides an output complex digital signal in the form of parallel I and Q digital signals and a clock reference. ♦ The channel encoder has a hardware version allowing to perform MediaFLO modulation.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.2.3.4. Synthesizer Topography ref.7 ♦ A digital programmable synthesizer is provided to deliver a sinusoidal signal at the transmitting frequency between 430 and 900 MHz with an output level of 10 dBm / 50 ohms. 3.2.3.5. GPS receiver Topography ref.12 ♦ This low power miniature board GPS enable to get the 1 pps signal 10 µs pulse, UTC, 10 MHz.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.2.4. Encoding ♦ Network : SFN ♦ Channelization : 6MHz ♦ Transmission modes : 12 ♦ Local network and Wide network supported Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. ♦ MediaFloTM Logical Channel supported 9946 V1 45321648.01 Numéro / Number 104 Doc. A E preliminary Rev. Langu.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.2.5. Transport Stream Inputs Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. The Sirius is provided with two serial (ASI) inputs. The active input is selected either via the front panel or the remote control. The input accepts an MPEG transport stream according to the MPEG and MediaFLo recommendations.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.2.6. Adaptive non linear pre-correction Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. The adaptive precorrection algorithm computes automatically the amplitude distribution from the non linear feedback input. Both “one shot” and “adaptive” mechanisms are available.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.2.7. Adaptive linear correction Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. The adaptive linear correction function allows to compute a digital 64-tap filter to compensate combiner filter. The 64-tap linear corrector allows to compensate typical 12 pole elliptic filter (typ. tilt 6dB and typ.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.2.8. Alarm circuits A RS232 connector allows to have 2 isolated inputs and two isolated outputs. In typical application, when the exciter is sued to control amplifier system, these inputs can be used as GO/NO GO in case of amplification failure. Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.2.9. Frequency references The exciter is equipped with an internal frequency reference with stability of ± 4ppm, adequate for many applications including multi frequency applications. Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.2.10. Interface of exciter 3.2.10.1. Front panel Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units DIAGRAM REFERENCE D COMPONENT Green OK LED REMARKS This LED has two functions: ♦ Extinguished: software fault ♦ Lit: indicates that the microprocessor is operating satisfactorily (software) Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.2.10.2. Connection at the rear side of the exciter 06/096(e-f) Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. At the back side of the exciter are located all the necessary customer inter connexion to assume the driver function in the transmitter. 9946 V1 45321648.01 Numéro / Number 104 Doc.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units A Main power supply input :90 to 254 volts AC, 47 to 63 hertz B 2 RJ45 connexions for ethernet and ethernet TS information in connexion with the digital board.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.2.11. General characteristics 3.2.11.1. Pre-correction The pre-corrector option supports non-linear pre-correction (gain and phases vs power level) and linear pre-correction (level and group delay response vs. frequency). The pre-corrector allows further control of the peak power clip level (range + 17dB to +7dB peak power relative to average RMS level).
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.3. SIRIUS cooling assembly Data sheet - Fans : 91835299 Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. 3.3.1. 9946 V1 45321648.01 Numéro / Number 104 Doc. A E preliminary Rev. Langu.
Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 9946 V1 45321648.01 Numéro / Number 104 Doc. A E preliminary Rev. Langu.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units Data sheet – Power Supply : 91851992 Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. 3.3.2. 9946 V1 45321648.01 Numéro / Number 104 Doc. A E preliminary Rev. Langu.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.4. Transmitter Management rack DD 45323663.02 Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.5. Interconnections Board EMB/UC TX Numerique 45324511 3.5.1. Outline In addition to housing the transmitter CPU card, this card also acts as an interface between the CPU card and the other transmitter equipment.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units These fuses go open circuit in over-current conditions and reset automatically; they cannot be changed on line.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.5.6. Connections and data transfer The mother board connectors are as follows: ♦ on one side : connectors J6, J12, J20, J21 to the CPU, ♦ on the other side: Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. • J6.1, J12.1, J20.1, J21.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.5.8. Transportability Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. No special requirements. 04/036 04/035 Figure 13 : Connection card Management/SIRIUS (2 faces) 9946 V1 45321648.01 Numéro / Number 104 Doc. A E preliminary Rev. Langu.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.6. Preamplifier RF Unit 45326079 3.6.1. NOTE : Presentation The preamplifier Module is “Hot Swap” compatible. Defective PA Modules may be removed and replaced without shutting the entire transmitter system down. Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.6.3. Operational description The input RF signal passes through the following stages. ♦ A class A preamplifier to deliver a rms power of 0.8 W. ♦ An output coupling stage, with a slope correction circuit and which sends an RF feedback signal to: • the peak detector circuit (provides the status of the preamplifier), • which the latter then sends out from RF monitoring outputs to the pre-amplifier.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.6.6. Adjustment controls The pre-amplifier has no controls on its front and rear panels. 3.6.7. Protection and surveillance devices The RF preamplifier module is fused by an CMS fuse F1 (1A) at the +24VDC input. 3.6.8. Power input Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.6.12. Environmental Conditions Guaranteed specifications (alt≤1500m) : 0 à 55°C. Guaranteed operation : -10 à 60°C. Storage temperature : -30 à 60°C. Relative humidity : 95 % without condensation. 3.6.13. Mechanical Characteristics size including handle and connector (W x H x D) : 230x60x70 mm.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.7. Central Processing Unit (CPU-TH860) 3.7.1. NOTA : Outline The SNMP protocol is described in Annexes.
Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units Figure 16 : CPU board – TH860 3.7.4.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.7.7.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units • connections via the data bus with MODAP A, (via connector J50 of the interconnection card), • connections to the remote user interface data bus (RS 232 bus), (via connectors J11 or J40 of the interconnection card), • connections to the data bus to the synthesizers (via connector J50 of the interconnection card), ♦ connector J21 : • for output status signals to a hard wired remote user interface (via connectors J2 and J3 o
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. 3.8. Power supply unit for UC/Multiplex/PCL 61390563 9946 V1 45321648.01 Numéro / Number 104 Doc. A E preliminary Rev. Langu.
Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 9946 V1 45321648.01 Numéro / Number 104 Doc. A E preliminary Rev. Langu.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.9. Control panel (PCL) 45333047 3.9.1. Architecture The Local Control Panel (PCL) consists of two units: ♦ an LCD touch screen, ♦ a display circuit. Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. It is the principal user interface for the transmitter.
Détecteurs et sondes reflectomètres Detec tors and reflec tometer probes 45321648.01 Numéro / Number Signal antenne retour Return antenna s ignal Signal retour Return s ignal Signal aller Forward s ignal R475 R455 R435 104 Doc. GOHOME ON OFF ALARM M ESURE PUISSANCE ANTENNE RETOUR ANTENNA MEASUREMENT V.S.W.R M ESURE PUISSANCE AVANT FILTRE ONDE RETOUR BEFORE FILTER MEASUREMENT V.S.W.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.9.3. Indicator lamps and message displays There are no status indicator lamps to indicate the status conditions of the display card. The indicator lamps on the front of the PCL indicate the overall status of the transmitter. 3.9.4. Adjustment controls Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.9.6. The display card 45324176 3.9.6.1.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units • connector J5 in case of: - analogue transmitter: for sound SWR signal (only in case of split channel transmitter) or not used, - digital transmitter: not used ♦ Connector J6 which provides : • the connection with the Central Processing Unit (via the exciter/CPU interconnection card) : - the input illumination signals for PCL indicator lamps, - the output command signals (On, Off, Reset), - input of output and reflected
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.10. The power amplifier, 45323629 3.10.1. Outline The power amplifier is designed to amplify residual sideband modulated television analogue signals for all standards, and digital signals in DTV. It is designed to work in UHF transmitters for 650 to 750 MHz. Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON. J2 RF Output Power supply Connector J107 Side J106 Side J104 RF Input 06/082(e) Holes to fix the special carrying handle Hydraulic connector A2 Never carry amplifier by the handle on the front panel of the amplifier.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.10.3.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units ♦ a 1 x 8 way distribution unit to split the input power from the class AB amplifier into 8 amplifier signals, Module 1 LDMOS Information contained is this document is confidential, is THOMSON property and cannot be disclosed in whatever form without prior written authorization of THOMSON.
45321648.01 Numéro / Number 104 Doc. V alim. INTERFACE AND PROTECTION BOARD Monitoring signals AGC voltage adjustment Pi2 32V Preamplifier A class To CPU board (throught/ amplifier power supply and multiplex board) RF signal input Amplifier power supply THERMISTOR Drive amplifier AB class V polar. 1 x 8 WAY SPLITTER 63dB gain 2100W AMPLIFIER Module 8 Module 7 Module 2 Module 1 V polar.
Digital Liquid Cooled UHF TV Equipment Description / Test points / Location of units 3.10.4.
