R.V.R. Elettronica

FM STATIONS > TX-KSS PLUG-IN SERIES > UP TO 60.000W


TX50KSS PLUG-IN

COD. TX50K PLUG-IN CA (20X2,5KW MODULE)

Puissance: 50.000W

TX50KSS PLUG-IN

50.000W PLUG-IN System.

FEATURES

  • Tunable over entire FM band (87.5 – 108 MHZ), without tuning.
  • Overall efficiency better than 72-74%.
  • Hot-pluggable and broadband power amplifier modules.
  • Each module features switching mode power supply to control and stabilize power supply voltage.
  • Each amplifier module provides Automatic Power Control.
  • Suitable for mono & stereo broadcast operations.
  • Protection against high VSWR, overdrive, overcurrent and overtemperature.
  • Compliance to IEC safety standards.
  • Compliance to ETSI – CCIR – FCC standards.
  • Entire transmitter can be switched off through an emergency button.
  • High redundancy guaranteed by 20 power modules of 2.5 kW RF power.
  • All measurement and working parameters are displayed on front panel.
  • Remotely controllable by telemetry system.
  • Design for 24/7 non-stop operation.
  • The transmitter include an integrated system for automatic and manual switching between two exciters.
  • In Automatic mode the changeover is activated when active power of exciter falls below 3dB.
  • 24 free units available for additional equipment.
  • The air outlet is available on the top of the transmitter using steel pipes.





TX50KSS
Parameter Value
GENERALS
RF Output Power 52,5 kW
Frequency Range 87,5 – 108 MHz
Frequency Stability ± 1 ppm
Driver power for rated output 75 W
Nominal Frequency Deviation ±75 KHz (peak)
Maximum Frequency Deviation ±150 KHz (peak)
Class of Emission 180KF8E Direct to Channel
Modulation Mode Mono, Stereo, Multiplex
Stereo transmissions Ace to ITU-R / Ree  450 (Pilot  tone)
RF Output Impedance 50 Ω
RF Output Connector 4-1/2” EIA Flange
VSWR 1.4:1 with automatic fold-back at higher VSWR
Pre-emphasis Mode 0/50 (CCIR) µs,75 (FCC) μs
Asynchronous AM S/N Ratio Typically >70dB
Synchronous AM S/N Ratio Typically > 55dB
Harmonics suppression and Spurious Typically < 85dB
Overall efficiency Typically > 72-74%
RF Harmonics Exceeds ETSI/CCIR/FCC requirements
RF Spurious Exceeds ETSI/CCIR/FCC requirements
Analogue Input level {+75 Khz (peak) deviation } -12,5 dBu - +12,5 dBu (adjustable)
Digital Input level {+75 Khz (peak) deviation } -20,0 dBFS – 0 dBFS (adjustable)
POWER REQUIREMENTS
AC power inputAC supply voltage400V ±10% AC Three-Phase 3F-N 230V ±10% AC Three-Phase 3F-N
 Active power consumptionFrom 72,9 kW to 70,9 kW
 Overall efficiencyTypically > 72-74%
 Power factor> 0,95
 ConnectorTerminal Block Standard
MECHANICAL DIMENSIONS
Phisical dimensions mm (WxHxD)W x H x D2055 x 1910 x 1150
Cooling Forced, with internal fan
Acoustic Noise < 75 dBA
Weight About 1340 Kg
MONO OPERATION 
S/N ratio Typically > 83dB
Total Harmonic Distortion + Noise Typically < 0,03%
Inter Modulation Distortion SMPTE Typically < 0,02%
Frequency Response Typically ±0,2dB
Audio Input Impedance 600 Ω or 10 kΩ
MPX OPERATION
Composite S/N ratio Typically > 80dB
Total Harmonic Distortion + Noise Typically < 0,05%
Inter Modulation Distortion Typically < 0,05%
Frequency Response Typically ±0,2dB
Audio Input Impedance 10 kΩ
STEREO OPERATION
Stereo FM S/N Ratio Typically > 83dB
Total Harmonic Distortion + Noise (L or R) Typically < 0,02%
Inter Modulation Distortion SMPTE  (L or R) Typically < 0,02%
Frequency  response (L or R) Typically ±0,2dB
Linear Cross Talk Typically > 50dB
Non-linear Cross Talk Typically > 50dB
Stereo Separation (Sine Wave) Typically > 70dB
Audio Input Impedance 600 Ω or 10 kΩ
Digital Input Impedance 110 Ω

The image of this layout is purely demonstrative and may change without notice. The configuration is only referred to installed equipment; rack, cover panels and all others accessories are to be defined at order.


ORDERING INFORMATION

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