25
FM TRANSMITTER MEDIUM POWER | ETG2500
Asynchronous AM S/N unweighted > = 55 dB a 400 Hz, 75 us de-emphasis
Synchronous AM S/N > = 50 dB a 400 Hz, 75 us de-emphasis
Amplitude-frequency characteristic
(stereo/mono operation)
+/- 0.1 dB (without pre-emphasis)
+/- 0.1 dB (with pre-emphasis)
20 Hz to 15 KHz, @ 400 Hz
Stereo Crosstalk (typical) 60 dB
@ 400 Hz to 10 KHz
Linear crosstalk >60 db 20 Hz to 15 KHz
Intermodulation distortion <0.05% Measured with two of tones 1 KHz &
1.3 KHz, ratio 1:1 at 100% modulation
Class of emission F3
Stereo emission According to ITU-R reccomendation
450 (pilot tone)
EXCITER PERFORMANCE
PLL lock time <10 sec
Frequency deviation +/- 75 KHz 0.1 dB steps adjustable
Maximum frequency deviation +/- 150 KHz
Frequency stability 1 ppm
RF Frequency steps 10 KHz
Phase Response +/- 0.1 degree from linear phase;
20 KHz to 100 KHz
INSTALLATION REQUIREMENTS
Power supply 230/400 Threephase-Singlephase
Version 50-60 Hz VAC
Power consumption (typical) 3.5 KW
Overall efficiency (typical from -3 dB to Pnom) > = 70%
Power factor > 0.95
Current Consumption @ 230VAC/single phase 15 Amp
Magneto-thermic capacity @ 230VAC/single phase 32 Amp
Conductor size @ 230VAC/single phase 6 sqrt.mm
Conductor size @ 230VAC/single phase 9 AWG
Current Consumption @ 230VAC/three phase 9 Amp
Magneto-thermic capacity @ 230VAC/three phase 20 Amp
Conductor size @ 230VAC/three phase 4 sqrt.mm
Conductor size @ 230VAC/three phase 11 AWG
Current Consumption @ 400VAC/three phase 5 Amp
Magneto-thermic capacity @ 400VAC/three phase 10 Amp
Conductor size @ 400VAC/three phase 2.5 sqrt.mm
Conductor size @ 400VAC/three phase 13 AWG
COOLING/NOISE/DATA
Cooling system Forced air-cooling . From 600 to 1200 m3/h
Air temperature increase 17 °C
Acoustic noise < 65 phon
@ transmitter room, 2 m distance of the
front of transmitter
ENVIRONMENT
Temperature range (operating) -5 ÷ +45 °C, 23 ÷ 113 °F
Temperature range (non operating) -20 ÷ +55 °C, -4 ÷ 131 °F
Humidity range (operating) 95% @ 40 °C, 104 °F
Humidity range (non operating) 90% @ 55 °C, 131 °F
Altitude range (operating) <3000 meters / <9840 Feet
Altitude range (non operating) <15000 meters / < 49200 Feet
TELECONTROL & TELEMETRY
Remote control Yes
Remote control, dry contacts Yes
SNMP option Yes (external)
Product description
To Next Page
Loading...
