特點
·9kHz~2.6GHz頻率范圍
·高頻率精度和穩定性
·30Hz分辨率帶寬
·-130dBm靈敏度
·特定設置下的標準精度為<1dB
技術指標
| Frequency range | | R3261C | 9kHzto 2.6GHz | | Resolution bandwidths | 30Hzto 1MHz,auto,GP（6dB）:200Hz/9kHz/120kHz | | Shape factor | 15:1 | | Frequency span/division | 1kHzto 2.6GHz/zero span,lot display 1 to 3 decades,start/stop | | Frequencystability | <300Hz/min | | ResidualFM | <20Hz（Vpp）/0.1s（span<2MHz） | | IM-freeinput lenel | -131 to +25dBm/±50V（DC） | | Dynamic range | >70dB | | Inherentnoise（1kHz） | （-121dBm+1.5*f/GHz）dBm | | Residual rsponse | -100dBm（>500kHz） | | Phase noise | -105dBc（Hz） at 20kHz | | Frequency response | ±0.5dB（<2GHz） | | Reference level | -109 to 40dBm/0.1dB | | Level units | dBm,dBμV,V,dBm（μV/m）,dBmV,dBpW | | Level resolution | log 10/5/2/1/0.5/0.2/0.1dB,lin*1/*2/*4/*8 | | RF attenuator | 0 todB/10dB | | Video filter | 1Hz to1MHz in to 10 sequence | | Sweeptime | 30ms to 1000s,manual,automatic | | Evaluationfunctions | average,max hold ,default offset,2 display memories,marderpeak search,delta marker,x dB down,marker nest pesd,signal tracd,frequency counterwity 10 Hz resolution,bandwidth measurement,dBc（Hz）,dBm（Hz）,display line,multimarker,etc | | Internal tracking generator | | Output level | 0 to -59 dBm in dB steps | | Frequency response | ±0.7dB（<1GHz） | | Output impedance | 50Ω VSWR<1.5:l（<2GHz）,models CN,DN:75Ω | |
