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Ang FMUSER FU-478 Professional FM Radio Modulator Suporta DSP + DDS Teknolohiya AES / EBU Standard Stereo Coding FM Modulate Digital Audio Input
Suporta ng FMUSER FU-478 Professional FM Radio Modulator DSP + DDS Teknolohiya AES / EBU Standard Stereo Coding FM Modulate Digital Audio Iuput Panimula: FU-478 propesyonal na FM radio modulator na may kalidad na pagsasahimpapawid ng CD. Ang DSP (Digital Signal processor) + DDS (Direktang dalas ng Digital Synthesis) ay nagpapatupad ng stereo coding at modulate ng FM. Pagsuporta sa pamantayang digital input ng AES / EBU. Mga Tampok: * Pag-aampon ng bagong teknolohiya ng proseso ng digital signal (DSP). * Direktang teknolohiya ng dalas ng pagbubuo ng digital (DDS). * Advanced na MCU control system. * Columnar na display ng audio signal. * Perpektong audio effects ng tunog ng CD. * Pagsuporta sa pamantayang AES / EBU standard na digital audio input. * Ang karaniwang dalas ng R
detalye
Presyo (USD) | Dami (PCS) | Shipping (USD) | Total (USD) | Pamamaraan ng Pagpapadala | pagbabayad |
711 | 1 | 0 | 711 | DHL |
Ang FMUSER FU-478 Professional FM Radio Modulator Suporta DSP + DDS Teknolohiya AES / EBU Standard Stereo Coding FM Pag-modulate ng Digital Audio Iuput
Panimula:
Ang AC-478 propesyonal na radio radio radio na may pag-broadcast ng kalidad ng CD. Ang DSP (Digital Signal processor) + DDS (Direct Digital Synthesis frequency) ay nagsasagawa ng stereo coding at FM modulating. Pagsuporta sa pamantayan ng AES / EBU digital audio input.
Mga tampok:
* Pag-ampon ng bagong digital signal process (DSP) na teknolohiya.
* Direct digital synthesis frequency (DDS) na teknolohiya.
* Advanced na sistema ng kontrol ng MCU.
* Columnar dynamic na pagpapakita ng signal ng audio.
* Perpektong audio epekto ng tunog ng CD.
* Pagsuporta sa AES / EBU standard digital audio input.
* Ang karaniwang dalas ng RF output ay 87.00-108MHz sa hakbang ng 10kHz.
* Libreng pagpapasadya sa loob ng saklaw ng dalas ng RF output.
* 122 * 32 sala-sala na asul na LCD LCD ang magkasabay na ipinapakita ang mga parameter ng trabaho ng modulator.
* RS-232/485 remote control at interface ng komunikasyon ng telemetry.
* 1U, 19-pulgadang standard na istraktura ng tsasis.
Teknikal na mga detalye:
1. boltahe ng lakas: AC220V ± 10% 50Hz
2. Paggamit ng lakas: < 25W
3.RF frequency range: 87.00MHz ~ 108.00MHz, step10kHz
4.Walang kapangyarihan: -8dBm ~ + 12dBm
5.Output impedance: 50Ω
6.RF output connector: BNC (babae)
7.Carrier frequency frequency: ± 200Hz
8. Pagsugpo ng Harmonic: ≥ 65dB
9.Parasitic na modyul ng amplitude: ≤-50dB
10.Maging paglihis ng dalas: ± 75kHz (100% modulation)
11.Audio pre-diin: 0μs 、 50μs 、 75μs
12.Level pagkakaiba ng kanan at kaliwa: < 0.1dB (100% modulation)
13.Signal-to-Ingay: 70dB (uri) , 1kHz 、 100% modulation
14.Audio tugon: ± 0.1dB , 10Hz ~ 15000Hz
15.Pagsusulit: < 0.1% , 10Hz ~ 15000Hz
16. Stereo seperation: 60dB (uri) , 30Hz ~ 15000Hz
17.Pilot frequency: 19kHz ± 1Hz
18.Pilot frequency modulation: 8% ~ 10%
19. impedance ng audio input ng analog: 600Ω, balanse
20.Analog na antas ng pag-input ng audio: -12dBm ~ + 8dBm, step1dBm
21.Digital audio input impedance: 110Ω, balanse
22.Digital audio antas ng pag-input: 0.2 ~ 10Vpp
23.Digital audio sample rate: 30kHz ~ 96kHz
24.Weight: 3.8KG
25.Size: 485mm × 305mm × 44mm
Presyo (USD) | Dami (PCS) | Shipping (USD) | Total (USD) | Pamamaraan ng Pagpapadala | pagbabayad |
711 | 1 | 0 | 711 | DHL |