格频率频率范围150kHz ~ 1000MHz频率解析度1kHz C.F. entry, 40Hz Sweep resolution at 2kHz/DIV频率显示6 1/2 digit setting频率控制Digital phase locked频率稳定度+2ppm/year aging, +10ppm, 0 to 50°C频率频距(Spans)Zero, 2kHz to 100MHz/DIV, in a 1-2-5 sequence 频宽解析频宽3kHz,30kHz, 220kHz, 4MHz解析频宽准确度15%视频频宽1.6kHz/90kHz coupled with RBW 振幅参考准位范围-30dBm to +20dBm参考准位准确度+1dB at 80MHz输入准位范围-100dBm to +20dBm杂讯准位-95dBm@30kHz RBW, -100dBm typical/-75dBm:150kHz ~ 10MHz振幅显示范围75dB振幅准确度+ 1.5dB typical@0dBm, 80MHz振幅准位线性+ 1.5dB over 70dB参考准位频率平坦度+1.5dB over 100MHz, +2.5dB typical over entire band/+3dB:150kHz ~10MHz谐波突波响应<-40dBc, RF input < selected reference非谐波突波响应<-60dBc typical down from reference level, average, 5MHz/div三阶交互调变杂讯(3rd)<-70dBc, @-40dBm input, 2 tones, 2MHz apart/<-45dBc:150kHz ~10MHz相位杂讯-77dBc/Hz at 1GHz, 30kHz offset