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Oscilloscope passive probes

The most widely used type of oscilloscope probe is the "passive probe". Passive probes are also the most rugged and economical of probes. There are no active components such as transistors or amplifiers in the probe and therefore passive probes do not need to be powered.

Passive probes are classified into the following different types.
  1:1 high Z passive probe 10:1 or 20:1 high Z passive probe 100:1 high Z passive probe Resistive divider passive probe
Features a low capacitance coax cable with a BNC connector on one end and a probe on the other. * The most widely used scope probe type and is provided standard with most oscilloscopes with 1 MΩ input

* gives lower input capacitance and higher bandwidth than the 1:1 probe 
* additional attenuation for use with higher amplitude signals

* large attenuation requires a high gain amplifier on the scope
* highest bandwidth passive probe for measuring high-frequency, low-impedance circuit

* must be used with an oscilloscope’s 50Ω input 
When to use for viewing small signals (<1 V) for viewing up to ~300 V for viewing up to 4 kV high voltage high frequency low-impedance (50Ω) digital circuit, transmission line
When not to use for probing high frequency signal for achieving >700 MHz system bandwidth for making floating (ungrounded) measurement for probing high-amplitude, high-impedance signal
Typical Bandwidth up to 35 MHz up to 700 MHz up to 500 MHz up to 1.5 GHz
Keysight models

N2870A, 10070D

N2871/2/3/5A, 10073D, 10074D, 1165A, N2862/3B, N2889A/90A, N2894A, N7007A 10076C
 
N2874/6A
Passive probe family Key features and advantages
N2870A-76A 2.5mm probe tip diameter for fine pitch component probing, easily replaceable spring-loaded probe tip, includes a variety of probe tip and ground accessories, 10-25pF input C (high Z 10:1) covers wide range of scope input, 7 probes and 4 accessory kits available
10070D/73D/74D/76C 5mm probe tip, general purpose probe, rugged, wide compensation range (6-15pF)
N2862B/63B/89A/90A, N2840A/41A/42A/43A/53A 5mm probe tip, general purpose probe, rugged, 10 MΩ input C when terminated into 1 MΩ scope input, wide compensation range (5-30pF), low cost, switchable 10:1/1:1 attenuation for N2889A
N2140A/42A 5mm probe tip, switchable 1:1 or 10:1 attenuation ratio, 10 MΩ input C when terminated into 1 MΩ scope input, low cost
N7007A 5mm probe tip, 10:1 attenuation ratio, for extreme temperature environmental chamber testing at -40 to +85 degC
1165A 2.5mm probe tip diameter for fine pitch component probing, includes a variety of probe tip and ground accessories, 6-9pF input C for Infiniium 54830 Series, all other 1160A-64A models are discontinued

Compare All Passive Probes (31)

搜尋示波器探棒

  • N2862B 被動式探棒, 10:1, 150 MHz, 1.2 m [已停產] N2862B 被動式探棒, 10:1, 150 MHz, 1.2 m [已停產] (1) 

    N2862B 被動式探棒, 10:1, 150 MHz, 1.2 m [已停產]

    Keysight N2862B 150 MHz 被動式探棒適用於 Keysight 1000 和 3000 系列。

  • N2863B Passive Probe, 10:1, 300 MHz, 1.2 m [已停產] N2863B Passive Probe, 10:1, 300 MHz, 1.2 m [已停產] (1) 

    N2863B Passive Probe, 10:1, 300 MHz, 1.2 m [已停產]

    N2863B 300 MHz Passive Probe for 1000 and 3000 Series

  • N2870A Keysight N2870A 被動式探棒,1:1,35 MHz,1.3 m N2870A Keysight N2870A 被動式探棒,1:1,35 MHz,1.3 m (1) 

    N2870A Keysight N2870A 被動式探棒,1:1,35 MHz,1.3 m

    Keysight N2870A 被動式探棒提供直流至 35 MHz 及 1:1 的衰減係數,因此非常適合用來進行低位準信號量測

  • N2871A Keysight N2871A 被動式探棒,10:1,200 MHz,1.3 m N2871A Keysight N2871A 被動式探棒,10:1,200 MHz,1.3 m (1) 

    N2871A Keysight N2871A 被動式探棒,10:1,200 MHz,1.3 m

    Keysight N2871A 被動式探棒提供直流至 200 MHz 及 10:1 衰減係數,可滿足廣泛的量測需求。

  • N2872A 被動式探棒,10:1,350 MHz,1.3 m N2872A 被動式探棒,10:1,350 MHz,1.3 m (1) 

    N2872A 被動式探棒,10:1,350 MHz,1.3 m

    Keysight N2872A 被動式探棒提供直流至 350 MHz 及 10:1 衰減係數,可滿足廣泛的量測需求。

  • N2873A 被動式探棒,10:1,500 MHz,1.3 m N2873A 被動式探棒,10:1,500 MHz,1.3 m (1) 

    N2873A 被動式探棒,10:1,500 MHz,1.3 m

    Keysight N2873A 被動式探棒提供直流至 500 MHz 及 10:1 衰減係數,可滿足廣泛的量測需求。

  • N2875A 被動式探棒,20:1,500 MHz,1.3 m N2875A 被動式探棒,20:1,500 MHz,1.3 m (1) 

    N2875A 被動式探棒,20:1,500 MHz,1.3 m

    Keysight N2875A 被動式探棒提供直流至 500 MHz 及 20:1 衰減係數,可滿足廣泛的量測需求。

  • N2874A 被動式探棒,10:1,1.5 GHz,1.3 m N2874A 被動式探棒,10:1,1.5 GHz,1.3 m (1) 

    N2874A 被動式探棒,10:1,1.5 GHz,1.3 m

    N2874A 被動式探棒提供直流至 1.5 GHz 與 10:1 衰減係數,可更精確地量測高速應用中的快速邊緣。

  • N2140A 被動式探棒,10:1,200 MHz,2 支一組 N2140A 被動式探棒,10:1,200 MHz,2 支一組 (1) 

    N2140A 被動式探棒,10:1,200 MHz,2 支一組

    • 直流至 200 MHz 頻寬
    • 可切換的 10:1/1:1 衰減比
    • 高品質,低成本

  • N2142A 被動式探棒,10:1,75 MHz,2 支一組 N2142A 被動式探棒,10:1,75 MHz,2 支一組 (1) 

    N2142A 被動式探棒,10:1,75 MHz,2 支一組

    • 直流至 75 MHz 頻寬
    • 可切換的 10:1/1:1 衰減比
    • 高品質,低成本