英国TTI TF930 3GHZ频率计数器
主要特点：TF930 - 3GHz Universal Frequency Counter
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Frequency, period, pulse width, frequency ratio
duty cycle, and event counter modes
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DC to 3000MHz range, 0.001mHz resolution
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High impedance measurement up to 125 MHz
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AC or DC coupling, 1M/50Ohm selection, polarity invert
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Switchable attenuator, threshold control
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Noise filter for low frequency measurements
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Selectable measurement time; display hold function
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Large 10 digit display with full range of annunciators
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Internal rechargeable batteries for portable use
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USB interface provides full remote control and readback
英国TTI TF930频率计数器的主要特点：
TF930 - 3 ghz通用频率计数
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频率、周期、脉冲宽度、频率比
工作周期和事件计数模式
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直流至3000 mhz范围,0.001 mhz的决议
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高阻抗测量125 MHz
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交流或直流耦合,1 m / 50欧姆选择、极性翻转
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可切换的衰减器、阈值控制
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噪声滤波器低频率的测量
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可选择的测量时间;显示持有函数
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大10位数的全方位的annunciators显示
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内部充电电池便携式使用
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USB接口提供了完整的远程控制和回读