|
|
发表于 2010-7-29
|
|阅读模式
DVON迪华澳专业UHF无线麦克风系统
" d( q8 y% M8 h+ \ ]2 l$ F* I+ I: a; \5 O4 O9 O9 R! D D: J" ?% m
频率范围:UHF500MHz-96OMHz(可选调制方式:FM(PLL)频偏:+25KHz/ 148KHz频率稳定度:+15ppm频率响应:60Hz一18KHz信噪比: ) 11 OdB(A) T. H .D:1%工作温度:一10℃一+55℃接收形式:分集接收灵敏度:3uV(52dB S/N)音频输出电平:
+ [2 a) u7 J. ]
( R0 t2 [& N% v# C+ S
5 T8 g- b: M7 L, F' ~' t
平衡输出:+1OdB(XLR) 音频输出:+4dB(1/4", 6.3mm jack socket)邻道干扰比:>80dB镜像干扰比::80dB RF发射功率(50): 8mW一30mW谐波抑制:>50dB Frequency Range:UHF 500一960MHz(Tunable) Modulation Mode:FM(PLL)ominal/peak deviation:+25KHz/_+48KHz Frequency Stability:+15ppm Frequency Response: 60Hz一18KHz S/N(1 mV RF and peak deviation)Ratio:〕11 OdB(A)T.H .D(at nominal deviation and 1 KHz):1% Temperature range:一10℃一+55t
2 h* ?& U3 k( B5 W5 w$ _
0 L$ k: C% O( Q9 c7 J/ C. c7 [( u
/ H8 j* w6 C& f& A: o- ^) Y3 k
Receiver principle: Predictive diversity Sensitivity (Peak deviation):3uV(52dB S/N) AF output Voltage(at peak deviation 1 KHz AF out): Balanced:+1 OdB(XLR) Unbalanced:+4dB(1/4"，6.3mm jack socket)F/N Ratio : ) 80dB. K) R% ^& P& s! H' d. ~+ h* M
P/N Ratio:〕80dB RF output power at 50Q : 8mw一30mW RF squelch:>50dB |
|
[复制链接]
