頻率測(cè)量范圍 10 Hz to 20 GHz

*具有功率計(jì)功能

交直流供電均可使用，還可使用電池供電

頻率計(jì)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)

Z*大輸入: +7 dBm

動(dòng)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(shí)間

 分辨力 = 1 Hz 不大于 125 ms

 分辨力 = 10 kHz 不大于 60 ms

Z*大偏差

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)

Z*大輸入：+10dBm(50Ω輸入),1Vrms(1MΩ輸入)

耦合：交流(AC)

分辯率: 1 Hz 或 10 kHz

功率計(jì)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(dòng)態(tài)范圍: 50 dB in 10 dB steps

顯示單位：Watts,dBm

分辯率: 對(duì)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.