頻率測量范圍 10 Hz to 20 GHz
具有功率計功能
交直流供電均可使用，還可使用電池供電

頻率計性能
輸入通道1

頻率范圍: 500 MHz to 20 GHz
靈敏度：
500 MHz - 12.4 GHz: -32 dBm(-35 dBm typical)
12.4 GHz - 20.0GHz: -27 dBm(-32 dBm typical)
*輸入: +7 dBm
動態(tài)電平: +25 dBm, peak
耦合：交流(AC)
SWR
500 MHz - 12.4 GHz: <2:1 typical
12.4 GHz - 20.0GHz: <3:1 typical
分辯率: 1 Hz or 10 kHz, selectable
掃描時間
 分辨力 = 1 Hz 不大于 125 ms
 分辨力 = 10 kHz 不大于 60 ms
*偏差
20 MHz p-p, Automatic mode
60 MHz p-p, Manual mode (via HP-IB only)
Maximum FM Rate: 10 MHz
AM Tolerance: Any modulation index provided the minimum signal level is not less than the sensitivity specification.
輸入通道2

頻率范圍: 10 Hz - 525 MHz
靈敏度: 25 mV rms (15 mV rms typical)
阻抗: 1 MΩ nominal shunted by <70 pF (10 Hz to 80 MHz) or 50Ω nomimnal (10 MHz to 525 MHz)
*輸入：+10dBm(50Ω輸入),1Vrms(1MΩ輸入)
耦合：交流(AC)
分辯率: 1 Hz 或 10 kHz
功率計性能
頻率范圍: 10 MHz - 26.5 GHz 依照傳感器指標(biāo)
功率范圍: -70 dBm to +20 dBm (100 pW to 100 mW) 依照傳感器指標(biāo)
動態(tài)范圍: 50 dB in 10 dB steps
顯示單位：Watts,dBm
分辯率: 對數(shù)模式 0.01 dB ; 線性模式滿檔的 0.1%
Accuracy Instrumentation: ±0.02 dB or ±0.5%
Zero Set (digital settability of zero): ±0.5% of full scale on most sensitive range.
功率傳感器：HP8481A，HP8481D，HP8484A，HP8485*A.