中文 English
您现在的位置是:首页 > 产品中心 > 专业无线麦克风 >
产品系列:
产品名称: SD-A04
SD-890B真分集
SD-A04
SD-U28
SD-U801
SD-991固频
SD-890B真分集
SD-A04
SD-U28
SD-U801
SD-991固频


载波频率:VHF200-270MHz
接收电源电压:DC-15-18V
发射功率:+10dBm
频率稳定性:<±20ppm
消耗稳定性:4 WATER
调制方式:FM,F3F
动态范围:>95dB
信躁比:>95dB
最大调制度:±40KHZ
谐波失真:<0.5%
假象干拢比:>80dB
高次偕波:低于主波基准50dB
频率响应:50HZ-16KHZ±3dB
邻首干拢比:>80dB发射机电源电压:9V电池1节
音频输出:混合(6.3mm)式:0~300mV
接收灵敏度:>5dBu(SINAD=20dB )
连续使用时间:10小时
可选发射配件:LM-84T LS-30T
电源启闭杂音:具有完美的开关杂音消除电路
 使用VHF200-270MHz频段,避免干扰。
 采用多级窄带高频及中频窄带滤波,充分消除干扰信号。
 采用石英振荡电路,具有极高的频率稳定性。
 采用音频压缩-扩展技术,躁声大大减少,动态范围加大。
 设有回输呼叫压低减弱功能,能有效的减少回输呼叫。
 接收机采用多级高频放大具有极高的灵敏性度。
杂音电平锁定双重静音控制,多机同时使用互不干扰。
 频率响应范围宽,超低失真度。
 Carrier frequency: VHF200-270MHz
Receiver power supply voltage: DC-15-18V
Transmit power: +10dBm
Frequency stability: < + 20ppm
Consumption: 4 WATER stability
Modulation mode: FM, F3F
Dynamic range: >95dB
>95dB:
Maximum modulation system: + 40KHZ
Harmonic distortion: <0.5%
False image ratio: >80dB
Higher ups: lower than the main wave reference 50dB
Frequency response: 50HZ-16KHZ + 3dB
Adjacent trunk ratio: >80dB transmitter supply voltage: 9V, battery 1
Audio output: mixed (6.3mm): 0 ~ 300mV
Reception sensitivity: >5dBu (SINAD=20dB)
Continuous service time: 10 hours
Optional accessories: LM-84T LS-30T emission
Power off noise: a perfect switch noise elimination circuit
Using VHF200-270MHz band, to avoid interference.
With narrow-band high frequency and medium frequency narrowband filter, fully eliminate the interference signal.
Quartz oscillator circuit with high frequency stability.
Using audio compression - extension technology, greatly reduce the noise and increase the dynamic range.
With transfusion call down weakened function, can effectively reduce the transfusion call.
Receiver adopts multilevel frequency amplifier with high sensitivity.
Noise level locking, double mute control, multi machine use at the same time, without interference.
Wide frequency response and low distortion.