Data redazione: 25/07/03
R.V.R. Elettronica S.r.l. (BO)
VJ30000-TE - R.F. Tube Amplifier
14
TABLE A ELECTRICAL CHARACTERISTICS
Power Supply
3-phase with neutral:
380-415V±15%
3-phase without neutral:
208-240V±15%
Manins Voltage Frequency
50-60 Hz
Frequency Range
87.5 - 108 MHz
Tube
4CX20000C
Electrical power consumption
for 25Kw in antenna
51KVA
External Thermal power consumption
for 25Kw in antenna
17Kw
Cos
φ
0.9
Correct power consumption for phase
32%,32%,36%
Output Power
from 500 to 25000W
Antenna Impedance
50 Ohm
No essential emessions
less than -85dBc
Frequency Stability
2.5 ppm
Modulation Type
F3E
Preenphasis
50 o 75 micro-seconds
selectable
Modulation S/N ratio
82 dB (rms value, dev=±75Khz)
AM synchronous
-47dB (mod=400Hz, dev=±75Khz)
AM asynchronous
-47dB
Audio MPX input impedance
600 or 1000 Ohm
Audio Channel input impedance
600 or 1000 Ohm
Input audio level
fron -13 to +14dB
(adjustable)
Channel frequency response
from 30 to 15000Hz
Channel distorsion
max 0.07%
(from 30 to 15000Hz)
Stereo separation
greater than 50 dB
Input for SCA or RDS signal
n°3
Air cooling
Forced ventilation
