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大功率调频发射机,rf功率放大器,2.4g功率放大器,宽带功率放大器调频发射机,车载大功率调频广播 |
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您的位置：首页—产品展示-STL10系列STL发射机/接收机 (台湾进口) 大功率调频发射机 |
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| STL 发射机/接收机 |
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STL10 SERIES
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STL 发射机/接收机
(台湾进口)
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Description ：
- The STL10 Studio Transmitter Link / Inter-city Relay is a VHF / UHF FM communications system providing a high quality broadcast audio channel with variety optional bands.
These systems offer greater rejection of interference, superior noise performance, much lower channel cross-talk, and greater redundancy than currently available composite STL systems.
Features ：
- Synthesized from 220 to 260MHz, 300~320MHz, 400 to 420MHz and 450 to 490MHz
The transmitted and received frequency can be easily set by digital front panel.
- Suitable for digital audio. The subsonic over modulation and the low frequency phase distortion are controlled by a feedback circuit in order to exalt the audio quality of the latest digital systems.
- Low THD distortion: the THD value with stereo or mono demodulated and deemphasized signals is negligible.
- Flat frequency response: due to the latest generation technology and the components precision the flatness of frequency response is absolute.
- Low noise: the excellent signal to noise ratio either in mono or in stereo allows the use of this STL’s in multi-hops networks without decreasing the audio quality.
- High sensitivity: it allows to reduce the STL’s antennas investment.
- Great RF immunity: allows to operate in most hostile RF environments.
- High adjacent channel rejection: obtained thanks to the excellent mechanical shielding and the precision of RF filtering.
- High frequency stability with the internal temperature compensated crystal reference.
- Integrated LCD Display: complete diagnostic and measurement front panel LCD displays.
- Integrated information display and protection controls: for all transmit parameter and protection for malfunction.
Specification ：- Frequency range: 220 to 239.99 MHz , 240 to 259.99 MHz , 300 to 319.99 MHz, 400 to 419.99 MHz , 450 to 469.99 MHz , 470 to 489.99 MHz.
- Modulation: FM, ±75 KHz peak deviation
- Frequency stability: <±100 Hz
- RF output power: 0 to 25 W ±0.5 dB
- Max reflected power: 5 W
- Harmonic suppression: <-65 dBC
- RF output impedance: 50 Ω
- RF output connector: N Type -female
- Audio/MPX input level: -10 to +13 dBm @±75 KHz deviation
- Audio/MPX input impedance: 10 KΩ / 600 Ω, Balanced / unbalanced
- Audio input connector: XLR-female
- AUX / MPX input level: -10 to +13 dBm @±75 KHz deviation
- AUX channel input impedance: 10 KΩ
- MPX and AUX input connector: BNC-female
- Pre-emphasis: 0 / 25/ 50 / 75 us
- S/N ratio Mono: >73 dB (20 to 20 KHz)
- S/N ratio Stereo: >68 dB (20 to 15 KHz)
- Distortion: <0.05% THD @± 75 KHz dev.
<0.2% THD @± 150 KHz dev. (limiter threshold > 150 KHz)
- Stereo crosstalk: >60 dB (100 to 5 KHz)
>50 dB (20 to 15 KHz) int. MPX encoder
>60 dB with ext. MPX encoder
- Audio channel frequency response: 20 to 15 KHz ± 0.15 dB
- MPX input frequency response: 10 to 100 KHz ± 0.15 dB
- AUX input frequency response: 10 to 100 KHz ± 0.15 dB
- Mains power supply requirements: 90~264VAC; 127~370VDC, Full range universal input
- Operating temperature range: -10 to 45 ℃
- Dimensions : 483 x 132.5 x 400 mm, rack std. 19” 2U
- Weight: 6.5 Kg
- --TECHNICAL CHARACTERISTICS of RECEIVER
- Frequency range: 220 to 239.99 MHz , 240 to 259.99 MHz , 300 to 319.99 MHz, 400 to 419.99 MHz , 450 to 469.99 MHz , 470 to 489.99 MHz.
- Sensitivity: -98 dBm at 16 dB SINDA
- Frequency response: 20 Hz to 53 KHz ±0.1 dB
- Stereo separation: 20 Hz to 15 KHz >58 dB
- S/N Ratio : >65 dB @-40 dBm , 75 KHz dev. and 1 KHz mod.
- THD : 20 Hz to 53 KHz <0.3%
- Selectivity: ±160 KHz at -3 dB IF BW
±500 KHz at -62 dB IF BW
- Image rejection: >65 dB
- Stereo audio output impedance: 600Ω balanced
- Stereo audio output connector: XLR-M
- MPX output impedance: 10KΩ
- MPX output connector: BNC-F
- Monitor output: >2x0.2 W stereo at 120Ω
- Monitor output connector: 6.3mm stereo phone jack
- RF input impedance: 50Ω
- RF input connector: N Type -female
- AC power: 85~264VAC; 120~370VDC, Full range universal input
- Power consumption: approx 25W from AC
- Operating temperature range: -10 to 45 ℃
- Dimensions : 483 x 89 x 320 mm , rack std. 19” 2U
- Weight: 5 Kg
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