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LEADER LMV186A 双针毫伏表
信息内容：商品名称：ＬＥＡＤＥＲ双针毫伏表 生产厂家：日本利达 主要参数：电压范围 30μV～100V分12档0.3、1、3、10、30、100mV、0.3、1、3、10、30、100V分页范围 -70dB～+40dB 分12档(0dBm=0.775V 0dB=1V)-70、-60、-50、-40、-30、-20、-10dB、0、+10、+20、+30、+40dB精确度 400Hz及1KHz满刻度时±2%输人阻抗 10MΩ频率特性 5Hz～1MHz：±10%10Hz～500KHz：±5%20Hz～200KHz：±2%输人电容 0.3MV～100mV 50pF 0.3V～100V 30pF噪声 输人端短路满刻度时少于2%放大器特性输出电平 1Vrms输人开路(任何一档满刻度时)失真少于1%负载阻抗 600Ω±20%频率响应 10Hz～300KHz～3dB(1KHz为参考点清晰读出低至30μV电压，频带宽阔从5Hz～1MHz特设满刻度1Vrms输出，可作低噪声宽带放大器用
528A(NTSC) 波形监视器
信息内容：型号:528A(NTSC) 品名:波形监视器 生产厂商:美国泰克 详细资料： Description: The Tektronix 528A is a NTSC Television Waveform Monitor that is particularly well suited for monitoring signals from camera outputs, video system output lines, transmitter video input lines, closed-circuit TV systems & educational TV systems using a 30 frame (60 Hz field rate), 525 line scan. Either of two video inputs may be selected from the front panel & displayed. FLAT, IRE, CHROMA & DIFF GAIN frequency response positions permit observation of various signal characteristics. A DC Restorer maintains the back porch at an essentially constant level despite changes in signal amplitude, Average Picture Level, & color burst. Product Specs: 8 cm x 10 cm Display Area Frequency Response at 1 V Full Scale is from 25 Hz to 3.6 MHz Within 1% of Response at 50 kHz Frequency Response at 4 V Full Scale is from 3.6 MHz to 5 MHz Within +1%, -3% of Response at 50 kHz, & +1%, -3% of Respon...
