RF Specifications:
Operating frequency range 87.5 ÷ 108 MHz
Output power 0 - 550 W adjustable
Output connector N (other on request)
Power drain at maximum power 910 VA typ.
Output impedance 50 W
Harmonics and spurious emissions (ref. to carrier) = -80 dBc
Synchronous AM (ref. 100% mod.) < - 50 dB
Asynchronous AM (ref. 100% mod.) =-50 dB
RF probe -70 dB, 50 W BNC
Power stability < 1%
RF efficiency 83% typ.
Overall efficiency 69% typ.

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 < -64 dBc
AM asyncro residual < -68 dBc

Stereo operations (MPX input):
Input level -10÷+12 dBm
Input connector XLR, bal.
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) > 60 dB
THD < 0.2%

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 208/220/380 Vac ±10%, 50/60 Hz, three phases, 110/220/240 Vac ±10% Vac 50/60 Hz, single-phase.

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 80 kg
W x D x H (see options) 540 x 720 x 240 mm - single rack

Options:
KFS/RC Full remote control interface
Air cooling exit cabinet top side or rear (to be specified)
Air cooling parts Chemineys and hardware on request