技术参数
系统指标
射频范围：520-830MHz
调制方式：FM调制
可用带宽：每通道30MHz
信道数目：红外线自动对频200-300信道
频率稳定度：± 0.005%
动态范围：>110dB
峰值频偏：±5KHz
音频响应：60Hz-18KHz（±3dB）
综合信躁比: >105Db
综合失真：<0.5%
接收机指标：
接收机方式：二次变频超外差
中频频率：第一中频：110MHz
第二中频:10.7MHz
天线接口：BNC座
灵敏度：12dB(80dBS/N)
静躁门限：0-40dB
杂散抑制：>80dB
音频输出：非平衡:+4dB (1.25V)/5K
平衡: :+10dB (2.5V)/600
供电电压：DC11-16V(rated12v)
电流：单接收，小于220mA,
双接收，小于350Ma
technical parameter
System index
RF range: 520-830MHz
Modulation mode: FM modulation
Available bandwidth: 30MHz per channel
Number of channels: infrared automatic frequency 200-300 channel
Frequency stability: + 0.005%
Dynamic range: >110dB
Peak frequency offset: + 5KHz
Audio response: 60Hz-18KHz (+ 3dB)
Comprehensive credit ratio: >105Db
Composite distortion: <0.5%
Receiver index:
Receiver mode: two frequency conversion superheterodyne
Intermediate frequency: first intermediate frequency: 110MHz
Second intermediate frequency: 10.7MHz
Antenna interface: BNC seat
Sensitivity: 12dB (80dBS/N)
Static threshold: 0-40dB
Spurious suppression: >80dB
Audio output: unbalanced: +4dB (1.25V) /5K
Balance: +10dB (2.5V) /600
Supply voltage: DC11-16V (rated12v)
Current: single receive, less than 220mA,
Dual receive, less than 350Ma
恩平市星帝电子厂