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Pembagian Kanal FM di Indonesia
 
 
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  STL UHF  
 
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Specification
Low Power Series Composite Aural UHF-STL/LCD



• General, The STD-7/LCD-15 Studio to Transmitter Link (STL) is designed to convey FM program material from a studio site to a transmitter site. This equipment may also be used to provide high-quality program transmission in intercity relay service.

• Synthesized from 230 to 1020 MHz (depended on models or up on request, in Indonesia allocation frequency was 324-328,6MHz and 348-350MHz). The transmitted and received frequency can be easily set by LCD Menu on Front Panel.

• Excellent stereo separation. A built-in group delay and amplitude precorrector guarantees a very low phase distortion and a great stereo separation in the whole 15 kHz band.

• Low THD distortion: the THD value with stereo or mono demodulated and de-emphasized signals is negligible.

• Flat frequency response: due to the latest generation technology and the components precision the flatness of frequency response is absolute.

• High sensitivity: Thanks to the Hybride™ Inductance Technology, Cascoded™ Low Noise RF Amplifier and Dual Conversion System provide to reduce the STL's antennas investment.

• Meets or exceeds all FCC and CCIR requirements.

  • STD-7/LCD-15 Transmitter Specifications :

  • • RF Power Output : 0-15Watt Adjustable
    • Frequency : 300-330Mhz, 335-399,9Mhz (Indonesian Version)
    • Frequency Stability : better than 0.00025% at room temperature
    • Deviation (100% Modulation) : +/-50KHz (Composite), +/-40KHz(Monaural)
    • Spurious & Harmonic Emission : More than 60dB below Carrier Level
    • Modulation Input :
    - Composite : 3.5Vp-p @6KΩ, Unbalanced, Fr. : 30Hz-80Khz, BNC
    - Monaural : +10dBm @600Ω Balanced, Fr. : 30Hz-15Khz, XLR
    - MPX : 1.5Vp-p @4KΩ, Unbalanced, Fr. : 30Hz-160Khz, BNC
    • Stereo operation (internal encoder):
    - Input connectors : (L&R) XLR, balanced.
    - Input impedance : 600 Ω
    - Input levels : -10χ+12 dBm
    - 19 kHz attenuation : ≥ 55 dB
    - Pre-emphasis : 25/50/75 μs (front Panel Switch)
    - Bandwidth (± 0.25 dB) : 20 Hz χ15 KHz
    - S/N ratio (±75 kHz dev. at 1 kHz, 50uS) : ≥ 80 dB
    - Stereo separation (20 Hzχ15 kHz) : ≥ 65 dB
    - THD : ≤ 0.03%
    • Power Source : 220V/AC (+/-10%), 50/60Hz, 70Watts
    • Dimension : 2U, 19” Standard Rack Mounted

  • STL-RX2 Receiver Specifications :
  • • RF Sensitivity : 120uV(-60dBm) or less required for 60dB Signal
    • Frequency : 300-330Mhz, 335-399,9Mhz (Indonesian Version)
    • Frequency Change : Direct Changeable from LCD Menu Control
    • System Features :
    - Dual Conversion System 70.3Mhz for 1st IF and 10.7MHz for 2nd IF
    - Very low distortion Ceramic IF filter offering unprecedented selectivity
    - Very High Quality of IF Demodulator/Processor
    - Two-decade logarithmic Signal Strength meter
    - Peak reading meter for all major function
    - Important status function implemented with LED indicators
    - Internal MPX Processor to eliminate degradation of modulation
    - Designed to have minimum of adjustments for trouble-free operation
    - Internal Lightning protection for major output and input installations
    • Frequency Stability : better than 0.00025% at room temperature
    • Selectivity :
    - Composite : 3dB IF Bandwidth, 125Khz
    - Monaural : 3dB IF Bandwidth, 90Khz
    - Spectral Efficient Composite : 3dB IF BW, 100Khz
    • Adjacent Channel Level : +10dBc to degrade SNR by 3dB
    • Modulation Output :
    - Composite : 3.5Vp-p @200Ω, Unbalanced, Fr. : 30Hz-80Khz, BNC
    - MPX (Digital-Out) : 1.5Vp-p @100Ω, Unbalanced, Fr. : 30Hz-160Khz, BNC
    - Stereo Ouput : +10dBm @600Ω Balanced, Fr. : 30Hz-15Khz, TRS
    • Power Source : 220V/AC (+/-10%), 50/60Hz, 30Watts
    • Dimension : 2U, 19” Standard Rack Mounted

     
     
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