|
TX25KSS/60S215J
|
|
Parameter
|
Value
|
|
GENERALS
|
|
RF Output Power
|
25
kW
|
|
Frequency Range
|
87,5 – 108 MHz programmable in 1,10 or 1000 KHz
steps
|
|
Frequency
Stability
|
±1 ppm
|
|
Nominal
Frequency Deviation
|
±75 KHz (peak)
|
|
Maximum
Frequency Deviation
|
±100
KHz (peak)
|
|
Class of Emission
|
180KF8E
|
|
Stereo Transmission
|
Acc. To ITU-R / Rec. 450 (Pilot tone)
|
|
RF Output Impedance
|
50
Ω, Unbalanced
|
|
RF Output Connector
|
3-1/8” EIA Flange
|
|
VSWR
|
1.41:1 with automatic 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) µs, 75 (FCC) µs
|
|
Asynchronous AM S/N Ratio
|
≥ 70 dB unweight, referred to 100% AM modulation at
400 Hz
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
85dB
|
|
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 (peak) deviation
|
-20.0 dBFS – 0 dBFS (adjustable) at 1 Khz
|
|
MONO OPERATION
|
|
S/N ratio
|
>
90dB (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
|
|
Frequency
Response
|
±0,2dB (30Hz – 15Khz)
|
|
Audio
Input Impedance
|
600 Ω balanced or 10 kΩ unbalanced
|
|
MPX OPERATION
|
|
S/N ratio
|
>90 dB, 75 KHz deviation rmd, unweight
|
|
Total Harmonic Distortion + Noise
|
<
0,02%
|
|
Inter
Modulation Distortion
|
<
0,02% 60 Hz / 7 KHz, 4:1, +4dBu
|
|
Frequency
Response
|
±0,3dB,
30 Hz to 100 KHz
|
|
Transient
Intermodulation Distortion
|
0,03%, 2,96 KHz square wav end 14 KHzsine wave
|
|
STEREO OPERATION
|
|
Audio Input Impedance
|
2
K ohm or more
|
|
Stereo FM S/N Ratio, unweighted
|
>84 dB, 30 Hz to 15 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%,
60 Hz / 7 KHz, 4:1, +4dBu
|
|
Inter Modulation
Distortion SMPTE (L or R)
|
±0,2
dB, 30 Hz – 15 Khz
|
|
Digital
Input Impedance
|
110
Ω
|
