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...Warner RF focus on RF technology research and development, in the VHF / UHF band analog and digital RF circuit design has a strong development team. 10 mhz to 4GHZ, 150W following the RF circuit development projects.
Independent production and joint development of various kinds of FM transmitters, the campus radio FM transmitter, FM car transmitters, wireless video transmitters, wireless data transmission products. To give each customer the full technical support. Advanced debugging professional RF equipment, a product for each of the performance and quality guarantee.
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You are here: Home --618D Series synchronization digit stereo FM broadcast transmitter Transmitter, TV Transmitter, FM transmitter, FM transmitters, professional FM transmitter, professional FM transmitter, 50 W power FM transmitter (PCB), 30W power FM transmitter (PCB) 7 W Car FM digital lock loop transmitter, automotive 5 W digital PLL FM transmitter, 500 mw LCD PLL FM transmitter, 0.5w LCD PLL FM transmitter, FM radio fired power boards, high-power FM radio launch aircraft, automotive FM radio transmitters, TV transmitters , GP antenna, FM antenna, |
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618D Series synchronization digit stereo FM broadcast transmitter
FM digital radio transmitter of 618D series adopts freshly developed digital FM actuator,and directly conduct processes such as digital filtering,pre-emphasis,delay,the generation of pilot frequency,and stereo coding on the digital audio signals sent by synchronous frequency generator synchronizes the whole system. Therefore,through power amplifier and FM antenna,high quality non-interference reception and seamless coverage can be obtained in the overlapping areas.
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Technical Indicators：
1.Frequency Range： 87.0MHz～108MHz
2.Rrequency Setting： Stepping 10KHz
3.Carrier Frequency Deviation： ≤± 20Hz
4.Residual Wave Radiation： ≥70dBc
5.Frequency Stability： ≤5×10-9/24小时
6.Audio Input Impedance： 600Ω
Balance ( Simulation ) ， 110Ω Balance ( Digital
)
7.Audio Input Level： ±15dBm，Stepping 0.01dBm
8.Audio Frequency Response： ≤±0.01dB(30Hz～15000Hz)
9.Audio Signal-to-noise： ≥80dB(1kHz 100% Modulation )
10.Audio Harmonic Distortion： <0.1%
11.Maximum Modulating Frequency Deviation： ±75kHz
12.Resolution of Left and Right Signals： ≥65dB（90% Modulation ）
13.Level Difference of Left and Right Signals： ≤0.01dB
14.Pilot Frequency： 19kHz ±0.1Hz
15.Pilot Frequency Signal Modulation： 8%～10%
16.Sub-carrier Suppression ≥ 45dB
17.Audio Pre-emphasis 0μS、50μS、75μS
18.Output Load Impedance 50Ω
19.Output Power 20W、30W、50W、100W、300W、500W、1KW、3KW、5KW、10KW
20.RF Output Interface N-50K(≤100W) L27-50K(≤500W) 7/8"-50K(≤3KW)
1+5/8"-50K(≤5KW) 3+1/8"-50K(≤10KW) |
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