|
TX20KSS/61S412
|
|
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
|
