愛德萬|Advantest U3641 3G頻譜分析儀9kHz-3GHz *9 kHz to 3 GHz Frequency Range *Ultra-Compact and Light Weight - 15 lbs *Three-way Power Supply - AC Line, External DC, and Optional Battery Pack *6 in. TFT Color LCD Display *Synthesized Local Oscillator Yields High-Stability Measurements *Two PCMCIA Memory Card Slots *Switchable Preamp for High-Sensitivity Measurements *Optional Internal Tracking Generator *Built-In Adjacent Channel Power, Occupied Bandwidth, and Channel Power Measurements | ||