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高頻合成信號源 HP 8657B 廠家: 美國惠普 性能指標(biāo)pdf 頻率范圍 8657A : 100 kHz to 1040 MHz, 分辨力 10 Hz (無貨) 8657B : 100 kHz to 2060 MHz, 分辨力 1 Hz 電平輸出 范圍 +13 to -143.5 dBm 精度 ±1 dB 分辨力 0.1 dB 調(diào)制 Simultaneous and mixed AM/FM modulation modes from internal (400 Hz and 1 kHz tones) and external sources 接口GPIB < 35 ms 頻率開關(guān)速度 振幅偏移可同步調(diào)節(jié) Amplitude offset and phase adjustment capabilities 反向功率保護(hù): 50W 電子衰減器 0.3 GMSK Modulation Option The low residual FM and excellent phase noise performance of these signal generators make them ideal for many in-channel and even out-of-channel receiver tests. The 8657A/B is a versatile signal generator offering a variety of features, such as simultaneous and mixed modulation combinations of AM and FM, as well as a carrier phase adjust capability that allows you to characterize phase-sensitive devices. 電話: 010 - 62123258 郵箱: buy17@163.com