Elenos ETG2500, Руководство пользователя

Страница: 20 / 78

20
Datasheet
FM TRANSMITTER MEDIUM POWER | ETG5000
FM TR
ANSMITTER MEDIUM PO
WER
|
ET
G5000
GENERAL DATA
Output Nominal Power 5000 W adjustable
Operating band 87.5 ÷ 108 MHz
RS232/RS485 Yes. Connector DB9 female
Points of measure RF Sample - MPX Monitor
Displayed Parameters More than 50 parameters displayed on a wide
graphic 0-LED screen
Adjustments From the frontal panel through OLED/from PC
Number of L-DMOS in amplifier stage 7
RF power stage technology ICEFET & ECOSAVING
Dimensions: Rack units 4U
Dimensions: W - H - D 48.5 - 17.6 - 70 cm
Weight 45 Kg
Number of power supplies 3
Number of cooling fans 6
CONNECTORS
RF Output 7/8
MPX BNC Female
LEFT & RIGHT XLR Female
AES/EBU XLR Female
AUX BNC Female
Monitor/19 kHz BNC Female
RF PERFORMANCE
Output impedance 50 Ω
Automatic power RF control Stabilizes the output power value on the
set value
Overall output power RF stability +/- 0,1 dB
VSWR 2:1 at full power. Automatic power
reduction beyond 1.7:1. Transmitter is
protected fro open and short circuit.
Harmonics < -75 dBc
Out of band emission (spurious) < -80 dBc
AUDIO PERFORMANCE
MPX input level +15/-10 dBu for 75 KHz standard deviation
MPX level adjustment Soft adjust 0.1 dB steps from front panel
MPX input impedance 5 K Ω selectable
L/R input level +15/-10 dBu for 75 KHz standard deviation
L/R level adjustment Soft adjust 0.1 dBu steps from front panel
L/R Input Impedance Selectable 10K - 600 Ω , balanced
AES/EBU input resolution 24 bits
AES/EBU input sample rate 32,44.1,48,96 KHz Automatically selected
AES/EBU input level -20 dBFS - 0 dBFS
AES/EBU input impedance 110 Ω balanced
AES/EBU-Analog input automatic changeover Yes
PILOT Amplitude adjustment Soft adjust 0.05% steps from front panel
PILOT Phase adjustment Soft adjust 0.01 degree steps from front
panel
PILOT tone frequency 19 KHz
PILOT tone deviation Soft /- 7.5 KHz
PILOT tone frequency stability +/- 1 Hz
THD+N (stereo/mono operation) < 0.05% with 75 KHz frequency deviation
< 0.05% with 100 KHz frequency deviation
30 Hz to 15 KHz
Pre-emphasis 0/25/50/75 microseconds, selectable
Pre-emphasis tolerance +/- 0.1 dB
FM S/N (MPX operation) 82 dB
20 Hz to 23KHz
@ 53 KHz - detector RMS
FM S/N CCIR (stereo/mono operation) > = 72 dB weighted
> = 72 dB unweighted
400 Hz, 75 kHz frequency deviation,
quasi-peak detector, 50 us de-emphasis
Product description
2.2 Technical data sheet