High Performance Digital FM Broadcasting Transmitter

RF Specifications

Rated Output Power

    5kW

Frequency Range

87 ~108MHz

Carrier Frequency Deviation

    ±1ppm (-10~50)

Load Impedance

50Ω

Output Interface

1 5/8 flange

Residual Wave Radiation

<1mW and <60dB (relative carrier)

Output Power Deviation

±10%(Impedance: 50Ω)

Audio Specifications

Input Interface

XLR (Bal. or Unb.)

Input Impedance

600ΩBal.(or) 10KΩUnb.

Input Level

-13dBm~+13dBm

Pre-emphases

50μs(Allowing deviation in dual standard curves:-2 dB )

Max Frequency Deviation

  ±75kHz

Max Modulation Capacity

±100kHz

Audio Frequency Response

 ±0.5dB(30Hz~15kHz)

Total Harmonic Distortion

<0.2% (F±75kHz , 30Hz~15kHz);    <0.5% (F±100kHz, 30Hz~15kHz)

Pilot Frequency

19kHz±1Hz

Percentage of Pilot Signal Modulation

8%  ~10%

Pilot Signal Phase Deviation

±5°

Sub-carrier Suppression

>45dB

L/R Signal Level Difference

<0.5dB(30Hz~15kHz)

Stereo Separation

 ≥50dB (100Hz~10kHz);      ≥45dB(30Hz~15kHz)

Asynchronous AM S/N Ratio

<-55dB(Un-modulated)

FM S/N Ratio

>70dB

Environmental Factors

Working Temperature

-10~+50

Relative Humidity

 95% ( No condensation at 25

Atmosphere Pressure

86~106Kpa

Power Supply

3-phase,  AC; 380V±15%  50Hz±10%

Cooling

Forced air cooling with built-in fan

Machine Room

Few dust, No oscillation and impact

Dimensions

  2000(H)×600(W)×1000(D)mm3