FT 2500T LCD
Tube Transmitters ( up to 60 kW )
 
 


2500 W tube FM transmitter composed of:

  • FT 30 LCD
  • FA 100
  • FA 2500T

 

 
   
 
     
 
 
FT 2500T LCD
Tube Transmitters ( up to 60 kW )
 
     
 

RF Specifications:
Operating frequency range 87.5 ÷ 108 MHz
Output power 0 - 1500 W adjustable
Input power 0 to 45 W
Harmonic frequency level (to carry) -68dB
Input and output impedance 50 W
Power gain at maximum power 6 dB
Input connector N type (other types by request)
Output connector 7/8” (other types by request)

A.F. Data (ref. to KCL 30 Exciter):

Mono operations:
Input level -10÷+12 dBm adj.
Input connectors XLR female/bal.
Input impedance 600 W
Bandwidth (± 0.25 dB) 20 Hz÷15 KHz
Pre-emphasis 50/75 µs
Deviation from pre-emph. curve ± 0.5 dB
FM S/N ratio (±75 kHz deviation at 1 kHz, 50 µs de-emph.) > 80 dB
THD + N < 0.1 %
19 kHz attenuation > 55 dB
AM syncro residual < -55 dBc
AM asyncro residual < -68 dBc

Stereo operations (MPX input):
Input level -10÷+12 dBm
Input connector BNC, unbal.
Input impedance 10 kW
Bandwidth (± 0.2 dB) 20 Hz÷100 KHz
FM S/N ratio (±75 kHz deviation at 1 kHz, demodul., 50 µs de-emphasis) > 74 dB
Stereo separation (20 Hz÷15 kHz) > 55 dB
THD < 0.1%

Measures (on the Combining and Control unit front panel):
Total output forward power
Total output reflected power
Output forward power of each plug-in 1 kW module
Output reflected power of each plug-in 1 kW module
DC supply voltage of each plug-in 1 kW module
DC supply current of each plug-in 1 kW module

Protections:
The internal logic circuitry provides proportional fold-back protection, without on-air interruptions, for:
- VSWR
- air over-temperature or insufficient cooling
- output combiner unbalancing
- fault of RF or power supply stages

Automatic power control:
The automatic power control circuitry provides the output power regulation with a precision of 2% over the whole band.

Remote control interface:
I/O Connector DB-25

Monitored & controlled functions:
- stand-by
- Total forward output power
- Total reflected output power
- DC supply voltage of each plug-in 1 kW module
- DC supply current of each plug-in 1 kW module
- alarms status

AC Power requirements:
Type of DC voltage regulation switch-mode
Operating Voltage 220 ± 5% Vac (240/110 Vac by request) single-phase 50/60 Hz
Max power consumption 5300 W
Max current consumption 24 A

Operating conditions:
Cooling forced air by internal fans
Service continuous 24/24 h
Operating temperature -5°÷ +45°C
Relative humidity 95%
Max.installation altitude 3000 m a.s.l.

Weight and size:
Weight 230 kg
W x H x D (see options) 555 x 1060 x 555 mm

 
 
 
  

ITEL S.r.l.
TELECOMUNICATIONS AND BROADCASTING SERVICES
Via Friuli, 6 - 33074 Fontanafredda (PN) - ITALY
Tel. +39 0434 997667 - Fax. +39 0434 997687