TX PLUG-IN SERIES

TX20K PLUG-IN CA DOUBLE

TX20K PLUG-IN CA DOUBLE

PLUG-IN system 20.000W.

COD.: TX20KSS/61D412
Potencia: 20.000W

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.

Features

Tunable over entire FM band (87.5 – 108 MHZ), without tuning.
Overall efficiency better than 70%.
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 10 power modules of 2.2 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.

TX20K PLUG-IN CA DOUBLE
TX20KSS/61D412
Parameter Value
GENERALS
RF Output Power 21 kW
Frequency Range 87,5 – 108 MHz
Frequency Stability ± 1 ppm
Driver power for rated output 20 – 25 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 3-1/8” 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 input AC supply voltage 400V ±10% AC Three-Phase 3F-N 230V ±10% AC Three-Phase 3F-N
Active power consumption From 29,1 kW to 28,3 kW
Overall efficiency Typically > 72-74%
Power factor > 0,95
Connector Terminal Block Standard
MECHANICAL DIMENSIONS
Phisical dimensions mm (WxHxD) W x H x D 1370 x 1910 x 1150
Cooling Forced, with internal fan
Acoustic Noise <75 dba
Weight About 770 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