罗德与施瓦茨 · Rohde & Schwarz
HM8123 通用频率计 详细指标
R&S®HM8123 是罗德与施瓦茨的通用频率计。官方目录位于「R&S®ESSENTIALS 测试设备 / R&S®ESSENTIALS 仪表和分析仪」。官方技术指标共 7 组、43 项,详见「详细指标」。
以下为 R&S®HM8123 的官方技术指标,共 7 个指标组、43 项。
参数名以行业通用中文术语为主(其中 23 项保留官方规格书原文),数值与单位保留官方规格书原样。
Key fac t s
• Input A / B (BNC)::DC至20 0MHz
• Input C (SMA)::10 0 MHz至3GHz
• Input impedanc e C::50 Ω, sensitivit y 3 0mV
• M8123 -X::OCXO (temperature st abilit y: ±1.0 x 10 - 8)
• HM8123_de_en_v005_20160824_5210-8695-31-32.indd:1 | 13.03.2019 | 16:42:58
Period duration measurement
• HM8123 3:GHz Programmable Counter Range | 5 ns至10,000 s
• Input characteristics (Input A and B):Resolution | 1 LSD
• Connection:BNC socket Accuracy ±resolution / period
Totalization A
• 10Hz:to 500kHz to | 200MHz 200MHz | 1 MΩ, AC coupled Range 50 Ω, AC coupled Min. pulse duration | 0至200MHz 10ns | 0至200MHz 10ns
• 衰减:1:1, 1:10, 1:100 (selectable) Resolution LSD LSD
• 80 to 200:MHz | 65 mVrms (sine wave) Pulse resolution | 10ns | 10ns
• 衰减:Trigger level Resolution (Input A = start; Input B = stop) 1:1 0 to ±2 V 1 mV LSD 10 ns (0,1 ps至10 ns im ‘average’ mode) 1:10 0 to ±20 V 10 mV Resolution 1LSD 1:100 0 to ±200 V 100 mV Accuracy ±(resolution + trigger error 2)
• Input 50:Ω | 5 V rms N = 26至2,500 LSD = 1 ns
• Input noise:(typ.) 100 µV N = 250,001至25,000,000 LSD = 10 ps
Rpm measurement
• Filter:50kHz low-pass filter (selectable) Gate time | 330 ms fixed
• Input characteristics (Input C):LSD | 7.5 x 10-8 x revolution speed
• Connection:SMA socket Resolution | 1 LSD
• 1 to 2:GHz: | 100 mVrms (typ. 80 mVrms) Offset
• 2.5 to 3:GHz: | 200 mVrms (typ. 150 mVrms)
in the offset mode, the offset resolution is
• 输入阻抗:5 kΩ | 500 Ω | 5 kΩGate time
• Max. Input voltage:±30 V | ±20 V | ±30 VRange | 1 ms至65 s
• 输入灵敏度:typ. 2 Vpp - Resolution | 1ms
• High level:>2 V | >2 VExternal gate time min. 20 µs
• Low level:<0,5 V | <0,5 VTime base
• Min. pulse duration:200ns | 50nsFrequency | 400MHz clock rate; 10MHz Quarz
• Min. eff. gate time:20 µs(0至50 °C) OCXO (HO85): | ±1,0 x 10-8
• Aging:TCXO | <0.27 ppm per month, 0.0 5 ppm per day
• Measurement functions:OCXO | ≤ ±1 x 10-9/day
cycle A; burst measurements
• time:Display LCD display (83 x 21 mm)
• HM8123_de_en_v005_20160824_5210-8695-31-32.indd:2 | 13.03.2019 | 16:42:58
• 电源:115至230 V ±10 %, 45至60Hz, CAT II
• 功耗:approx. 20 W
• 工作温度:+5 to +40 °C
• 存储温度:20 to +70 °C
• Rel. humidity:5至80 % (without condensation)
• Dimensions (W x H x D):285 x 75 x 365 mm
• 重量:approx. 4 kg
Recommended accessories:
• HO 8 8 0:Inter fac e IEEE- 4 8 8 (GPIB), galvanic ally isolated
• HZ 20:Adapter, BNC至4mm b anana
• HZ 24:At tenuator s 50 Ω (3 /6/10/ 20 dB)
• HZ:19“ Rackmount kit 2RU
• HZ 72:GPIB - C able 2 m
• HM8123_de_en_v005_20160824_5210-8695-31-32.indd:3 | 13.03.2019 | 16:42:58
型号与选件
• 官方型号:HM8123、Resolution1、LSD
指标整理自官方文件:HM8123_DataSheet_en_04.pdf
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