|
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)
|
|
