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关 键 词:熊生15013718
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发布时间:2008-11-25
供应MD1620C 熊生 深圳银通电子仪器有限公司 联系人:熊生 手机: Q 电话:0755-83251855传真:0755-83322550 邮箱: ·有内置CODEC,且通过附件可实现模拟器和CS/PS间的通信测试 ·为时序测试设置参数和时序 ·可轻易定义并实现第3层半正交时序测试 ·时序和参数可存储在3.5英寸软盘中 ·通过WINDOWS和菜单选择提供易于使用的操作系统 技术指标 Tx Frequency range 1895.15 1917.95 MHz Frequency setting interval 300KHz steps Number of carriers 2 carriers Transmission level range 13 to 83 dBμV per carrier Transmission level accuracy ±2dB(24 to 83dBμV)at 25°±5℃ Rx Frequency range 1895.15 to 1917.95MHz Frequency seeting interval 300KHz steps Number of carriers 1carrier Receiving level range 77to 149dBμV Receiving error rate BER≤1*10^-8 at 77dBμV Reference oscillator Frequency range 10MHz Stability Aging rate:2*10^-8/day, 2*10^-7/year Temperature characteristics: ±5*10^-8(referred at 25℃) External reference input signal 10MHz,TTL level External control GPIB:SH1,SR1,DC1,C0,AH1,RL1,DT0,T5,PP0,L4 Rs-232C bit rate:600,1200,2400,4800bps Flppy 3.5-inch floppy disk,MS-DOS format 2DD format:720KB(when formatted) 2HD format:1.2MB(when formatted) Power 85 to 132/170 to 250Vac,47.5 to 63Hz,≤230VA Dimensions and mass 426(W)*221.5(H)*451(D)mm,≤20kg EMC EN55011:1991,Group 1,ClassA