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FM Stereo Modulator

Model:ZHC368

Specifications:--

Price:$660

Introduce:Professional FM radio modulator with CD-quality broadcasting. DSP(Digital Signal processor)+DDS(Direct Digital Synthesis frequency) executes stereo coding and FM modulating. Supporting AES/EBU standard digital audio input.

ZHC368 FM Radio Modulator


Overview:

Professional FM radio modulator with CD-quality broadcasting.

DSP(Digital Signal processor)+DDS(Direct Digital Synthesis frequency) executes stereo coding and FM modulating.

Supporting AES/EBU standard digital audio input.

Features:

  • Adopting new digital signal process(DSP) technology.
  • Direct digital synthesis frequency(DDS) technology.
  • Advanced MCU control system.
  • Columnar dynamic display audio signal.
  • Perfect audio effect of CD sound.
  • Supporting AES/EBU standard digital audio input.
  • The standard frequency of RF output is 87.00-108MHz with the step of 10kHz.
  • Free customization within the RF output frequency range.
  • 122*32 lattice blue screen LCD synchronously displays the work parameters of the modulator.
  • RS-232/485 remote control and telemetry communication interface.
  • 1U,19-inch standard chassis structure.

 

 

Technical Specifications:

  • Power voltage          AC220V±10% 50Hz
  • Power consumption        25W
  • RF frequency range           87.00MHz108.00MHz,step10kHz
  • Output power         -8dBm+12dBm
  • Output impedance          50Ω
  • RF output connector      BNC(female)
  • Carrier frequency precision     ±200Hz
  • Harmonic suppression       ≥ 65dB
  • Parasitic amplitude modulation    ≤-50dB
  • Modulation frequency deviation  ±75kHz(100%modulation)
  • Audio pre-emphasis       0μs50μs75μs
  • Level difference of right and left  0.1dB100%modulation
  • Signal-to-Noise         70dB(type)1kHz100%modulation
  • Audio response         ±0.1dB10Hz15000Hz
  • Distortion            0.1%10Hz15000Hz
  • Stereo seperation          60dBtype),30Hz15000Hz
  • Pilot frequency          19kHz±1Hz
  • Pilot frequency modulation    8%~10%
  • Analog audio input impedance  600Ω,balance
  • Analog audio input level        -12dBm+8dBm,step1dBm
  • Digital audio input impedance   110Ω,balance
  • Digital audio input level       0.210Vpp
  • Digital audio sample rate     30kHz96kHz
  • Weight                                        3.8KG
  • Size                                             485mm×305mm×44mm

 

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