功率探头 HP8481A : 10 MHz to 18 GHz, -30 to +20 dBm 高灵敏度功率探头 HP8481D : 10 MHz to 18 GHz, -70 to -20 dBm
-70 dBm (100pW) to +44 dBm (25W) 100 kHz to 110 GHz 自动校准调零 Frequency entry instead of calibration factor Ten pre-loaded sensor calibration factor versus frequency tables Selectable resolution to 0.001 dB Offset entry in dB Duty-cycle entry for a convenient peak power representation of the measured average power Ten store/recall registers 配合 8480 系列功率探头 通信接口 GPIB 记录仪输出接口 BNC
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