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TX20KSS/60S214J
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Parameter
|
Value
|
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GENERALS
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|
RF Output Power
|
20
kW
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|
Frequency Range
|
87,5 – 108 MHz programmable in 1,10 or 1000 KHz
steps
|
|
Frequency
Stability
|
±1 ppm
|
|
Nominal
Frequency Deviation
|
±75 KHz (peak)
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|
Maximum
Frequency Deviation
|
±100
KHz (peak)
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|
Class of Emission
|
180KF8E
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|
Stereo Transmission
|
Acc. To ITU-R / Rec. 450 (Pilot tone)
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|
RF Output Impedance
|
50
Ω, Unbalanced
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RF Output Connector
|
3-1/8” EIA Flange
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|
VSWR
|
1.41:1 with automatic fold-back at higher VSWR
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Frequency Control
|
Synthesizer
µ processor control
|
|
Modulation Capability
|
±150
KHz
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|
Modulation Mode
|
Mono,
Stereo, Multiplex, SCA, RDS, DARC, Aux
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Pre-emphasis Mode
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0/50 (CCIR) µs, 75 (FCC) µs
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Asynchronous AM S/N Ratio
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≥ 70 dB unweight, referred to 100% AM modulation at
400 Hz
Pre-emphasis and without FM modulation
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Synchronous AM S/N Ratio
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≥ 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
85dB
|
|
Overall
efficiency
|
Typically
70/72%
|
|
RF
Harmonics
|
Exceeds ETSI/CCIR/FCC requirements
|
|
RF
Spurious
|
Exceeds ETSI/CCIR/FCC requirements
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Max
Frequency Tolerance
|
As per ITU (R)
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Analogue Input Level ±75 Khz (peak) deviation
|
-6 dBu - +6 dBu at 1 Khz, 0 dBu
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Digital Input Level ±75 Khz (peak) deviation
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-20,0 dBFS – 0 dBFS (adjustable) at 1 Khz
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MONO OPERATION
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|
S/N ratio
|
>
90dB (typical 92dB), 75KHz deviation (30 Hz to 15 KHz base band) rms,
unweighted
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|
Total Harmonic Distortion + Noise
|
Better
than 0,15%
|
|
Inter
Modulation Distortion SMPTE
|
Better
than 0.20% (60 Hz / 7 KHz, 4:1, +4
|
|
Frequency
Response
|
±0,2dB (30Hz – 15Khz)
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Audio
Input Impedance
|
600 Ω balanced or 10 kΩ unbalanced
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MPX OPERATION
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S/N ratio
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>90 dB, 75 KHz deviation rmd, unweight
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Total Harmonic Distortion + Noise
|
<
0.02%
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Inter
Modulation Distortion
|
<
0,02% 60 Hz / 7 KHz, 4:1, +4dBu
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|
Frequency
Response
|
±0.3dB,
30 Hz to 100 KHz
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Transient
Intermodulation Distortion
|
0,03%, 2,96 KHz square wav end 14 KHzsine wave
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STEREO OPERATION
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Audio Input Impedance
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2
K ohm or more
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Stereo FM S/N Ratio, unweighted
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>84 dB, 30 Hz to 15 KHz deviation (L or R), rms
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Stereo Separation (Sine Wave)
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≥
60 dB (30 Hz – 15 KHz)
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Linear Cross Talk
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Better than 50 dB, referred to 100% modulation (30
Hz to 15 KHz)
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Non-linear Cross Talk
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Better than 50 dB, referred to 100% modulation
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Total Harmonic Distortion + Noise (L or R)
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