vaunix 信号发生器 LMS-451D

vaunix  信号发生器 LMS-451D 型号： LMS-451D 频率： 70 - 450 MHz Phase Noise at 10 kHz/100 kHz Offset：-90/-110 dBc/Hz Frequency   Resolution 100 kHz   Accuracy +/- 2ppm Output Power2   Range         +10 - -45 dBm3   Resolution 0.5 dB   Accuracy +/-0.5 dB at +10 dBm                         +1.5/-0.5 dB full range Spurious   Typical -80 dBc   Maximum -70 dBc VSWR (max.)         1.5:1 Harmonic (max.) -10 dBc DC Current via USB 400 mA typical RF Connector         female USB Connector         MiniB-female                   4.90 x 3.14 x 1.59 in.                         (124 x 80 x 40 mm) Weight          < 1.0 lb. (< .45 kG) Mounting Holes         (2) #6 socket head screws                         (not included) Standard Operating Modes Fixed frequency                          Frequency stepping - single sweep                          Frequency stepping - repeat sweep