R.V.R. Elettronica

FM STATIONS > TX-K-KLC MODULAR SERIES > UP TO 50.000W


TX40KSS/60S218J

COD. TX40KSS/60S218J

Puissance: 40.000W

TX40KSS/60S218J

Modular transmitter, 40kW (composed of MAX-CCU + 2x HC-CCU + 8x PJ5000U-KLC + PTX30DDS).

TX40KSS/60S218J
Parameter Value
GENERALS
RF Output Power 40 kW
Frequency Range 87,5 – 108 MHz, Programmable in 1,10,100 or 1000 KHz steps
Frequency Stability ±1 ppm
Nominal Frequency Deviation ±75 KHz (peak)
Maximum Frquency Deviation ±100 KHz (peak)
Class of Emission 180KF8E
Stereo transmissions Acc. to ITU-R / Rec. 450 (Pilot tone)
RF Output Impedance 50 Ω, Unbalanced
RF Output Connector 4-1/2” EIA Flange
VSWR 1.4:1 with atomatic fold-back at higher VSWR
Frequency Control Synthesizer µ processor control
Modulation Capability ±150 KHz
Modulation Mode Mono, Stereo, Multiplex, SCA, RDS, DARC, Aux
Pre-emphasis Mode 0/50 (CCIR) µ, 75 (FCC) µs
Asynchronous AM S/N Ratio >70 dB, unweighted, referred to 100% AM modulation at 400 Hz, 50 µs Pre-emphasis and without FM modulation
Synchronous AM S/N Ratio >55 dB, reference to 100% AM modulation at 400 Hz, 50 µs Pre-emphasis with FM modulation at 75 KHz of deviation
Harmonics suppression and Spurious Typically 85 dB
Overall efficiency Typically 70/72%
RF Harmonics Exceeds ETSI/CCIR/FCC requirements
RF Spurious Exceeds ETSI/CCIR/FCC requirements
Max Frequency Tolerance As per ITU (R)
Analogue Input level {±75 Khz (peak) deviation} -6 dBu - +6 dBu at 1 Khz, 0 dBu
Digital Input level {±75 Khz (eak) deviation} -20.0 dBFS – 0 dBFS (adjustable) at 1 Khz
MONO OPERATION
S/N ratio > 90 dB (typical 92dB), 75KHz deviation (30 Hz to 15 KHz base band) rms, unweighted
Total Harmonic Distortion + Noise Better than 0.15%
Inter Modulation Distortion SMPTE Better than 0.20% (60 Hz / 7 KHz, 4:1, +4 dBu)
Frequency Response ±0.2 dB (30 Hz -15 KHz)
Audio Input Impedance 600 Ω balanced, 10 kΩ unbalanced
MPX OPERATION
S/N ratio > 90 dB, 75 KHz deviation rms, unweighted
Total Harmonic Distortion + Noise < 0,02%
Inter Modulation Distortion < 0,02%, 60 Hz / 7 KHz, 4:1, +4 dBu
Frequency Response ±0,3 dB, 30 Hz to 100 KHz
Transient Intermodulation Distortion 0.03%, 2.96 KHz square wave and 14 KHz sine wave
STEREO OPERATION
Audio Input Impedance 2 K ohm or more
Stereo FM S/N Ratio, unweighted >84 dB, 30 Hz to 15 KHz, 75 KHz deviation (L or R), rms
Stereo Separation (Sine Wave) ≥ -60 dB (30 Hz – 15 KHz)
Linear Cross Talk Better than 50 dB, referred to 100% modulation (30 Hz to 15 KHz)
Non-linear Cross Talk Better than 50 dB, referred to 100% modulation
Total Harmonic Distortion + Noise (L or R) 0.02%
Internal Modultion Distortion SMPTE (L or R)


ORDERING INFORMATION

  • TX40KSS/60S218J
    Modular transmitter, 40kW (composed of MAX-CCU + 2x HC-CCU + 8x PJ5000U-KLC + PTX30DDS).