Protek 3201N(2GHz)升级射频场强分析仪     RF Field Strength Analyzer Specifications 技术参数 频率 范围 100KHzto 2900MHz(2.9GHz) // 100KHzto 2100MHz(2.1GHz) 精度 TCXO : ±2.5PPM 接收灵敏度 Approx. 0 - 6 dBu EMF (S/N : 10dB at W-FM, 12dB at N-FM) 步进范围 Multiples of 5KHz& 6.25kHz 扫描范围 1MHz to Max.1000MHz (1,2,5 Step / at 200CH) 振幅 N-FM 范围 -32dBm to -117dBm for 1MHz to 2900MHz (UBA-9290) -67dBm to -117dBm for 1MHz to 2100MHz () 分辨率 ±0.1dB 精度 ±2.0dB(at an ambient of temperature of (23℃±3℃: UBA-9290) ±2.5dB(at an ambient of temperature of (23℃±3℃: ) 重复精度 ±2dB 带宽 N-FM: Apprx 12.5KHz(-6dB) W-FM/AM/SSB 范围 -22dBm to -107dBm for 10MHz to 2900MHz (UBA-9290) -57dBm to -107dBm for 1MHz to 2100MHz () 分辨率 ±0.1dB 精度 ±2.0dB(at an ambient of temperature of (23℃±3℃: UBA-9290) ±2.5dB(at an ambient of temperature of (23℃±3℃: ) 重复精度 ±2dB 带宽 W-FM: Apprx 180KHz(-6dB), AM/SSB: Appex 2.4KHz(-6dB) Spurious and Noise Level Internally Generated : -35dBc W-FM      : -45dBc for N-FM Typical, Below a Full Scale Signal Level Frequency. 输入阻抗 50-(Standard) 输入电压 Max. 5V RMS 电平单位 dBm, dBmV, dBuV Reference(Internal Atten. Max 35dB : Only UBA-9290) -22dBm(W-FM/AM/SSB : 35dB), -32dBm(N-FM : 35dB) -27dBm(W-FM/AM/SSB : 30dB), -37dBm(N-FM : 30dB) -37dBm(W-FM/AM/SSB : 20dB), -47dBm(N-FM : 20dB) -47dBm(W-FM/AM/SSB : 10dB), -57dBm(N-FM : 10dB) 功能 显示模式 Spectrum Display Multi Bar Graph Display (5, 10, 20, 50, 100, 200 CH) Single Bar Graph Display Difference Frequency Display Frequency Counter 扫频及锁住模式 Free Run, Single Run Squelch Delay(Run, Hold, Stop) Squelch Max. Hold Scan Modes Manual, Search Scan & CH. Memory 标记模式 Marker, Delta Marker, Peak Search, Marker Center 扫频 速度 Min.500msec 触发源 Narrow FM/ Wide FM/AM/SSB 存储 波形存储 100 Waveforms 设置存储