高端指标和高可靠性的产品。
特性：
在同档仪器中拥有大的彩色显示屏
1Hz10MHz的分辨率带宽
高选择性的数字和TFT滤波器
具有准峰值检波器和EMI带宽
便于将结果形成文件，如硬拷贝或PC兼容的文件
GPIB ，Centronics，RS-232-C，USB
用于测量TOI，OBW，相位噪声，ACP（R）和多载波ACP的自动测试程序
独立设置的分屏显示和每屏可以显示三条轨迹
可编缉的临界线，包括：PASS/FAIL显示
在时域中进行快速测量：低扫描时间1us
对TDMA信号进行快速和可重复的功率测量
统计测量功能，用于确定波峰因素和CCDF
拥有极为吸引人的性价比和完美的频谱仪
Options
FSP-B1: Rugged Case, carrying handle (factory-fitted)
FSP-B3: AM/FM Audio Demodulator
FSP-B4: OCXO Reference Frequency
FSP-B6: TV Trigger/RF Power Trigger
FSP-B9: Internal Tracking Generator 9 KHz to 3 GHz, I/Q modulator
FSP-B10: External Generator Control
FSP-B15: Pulse Calibrator ( not with B3)
FSP-B16: LAN Interface 100BT for all FSP models with Windows XP or with Windows NT
FSP-B18: Removable Hard Disk (not with B20, factory fitted only)
FSP-B19: 2nd Hard Disk for B18
FSP-B20: Extended Environmental Specification
FSP-B28: Trigger Port for indication of trigger conditions
FSP-B29: 20-Hz Frequency Extension for FSP13/ FSP30
FSP-B30: DC Power Supply
FSP-B31: Battery Pack (B1 and B30 required)
FSP-B32: Spare Battery Pack (B31 required)
FSP-B33: Disabled USB ports, excludes K9
FSP-B70: Demodulation Hardware and Memory Extension (B15 required)
Software options:
FSP-Z2: US Keyboard with trackball
FSP-Z4: DC Block, 10 KHz to 18 GHz (type N)
FSP-PCK: IEC/IEEE-Bus Cable, xx 10/20/40=1/2/4m
FSP-ZZA-478: 19” Rack Adapter (not for B1)
FSP-FSP-ZZT-473: Transit bag
FSP-RAM: Matching Pads, 75L Section
FSP-RAZ: Series Resistor, 2
FSP-ZRB2: SMR Bridge, 5MHz to 3000MHz
FSP-ZRC: SMR Bridge, 40 KHz to 4GHz
FSP-RBU100: High-Power Attenuators, 100W 3/6/10/20/30dB
