FSEA30二手仪器FSEA30,二手频谱仪FSEA30,FSEA30|Rohde&Schwarz|3G|频谱分析仪|罗德与施瓦茨|20Hz至3.5GHz厂商名称：德国罗德与施瓦茨Rohde&SchwarzR&S频率范围：FSEA209kHzto3.5GHzFSEA3020Hzto3.5GHz特性频率精度0.01Hz;分辨率带宽1Hz10Hzto10MHz显示噪底-153dB3阶截距点>+15dBm射频输入的1dB压缩点>+10dBm20kHz的载波相位噪声降至-123dBc互解调动态范围110dB测量不确定度达到1GHz:1dB内置射频触发器(ID-935993192199174)动态范围：-90dBm;相位噪声：at10kHzoffset-96dBc;at100kHzoffset-119dBc;接头：N（f）阻抗：50ohm技术指标TheRohde&Schwarz,Inc.FSEA30spectrumanalyzerisawideband,verysensitivereceiver.Itworks0ntheprincipleof'super-heterodynereceiver'toconverthigherfrequencies(normallyranginguptoseveral10sofGHz)tomeasurablequantities.Thereceivedfrequencyspectrumisslowlysweptthrougharangeofpre-selectedfrequencies,convertingtheselectedfrequencytoameasurableDClevel(usuallylogarithmicscale),anddisplayingthesame0ntheCRToftheRohde&Schwarz,Inc.FSEA30.TheCRTsplaysreceivedsignalstrength(y-axis)againstfrequency(x-axis).)