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Summary of Contents for Keysight B2980A Series
- Page 1 Keysight Technologies Low Current Semiconductor Measurements Using the B2980A Series Ammeter Keysight B2981A/B2983A Femto/Picoammeter Keysight B2985A/B2987A Electrometer/High Resistance Meter Technical Overview...
- Page 2 This technical overview highlights the B2980A Series ammeter current mea- surement performance using a diode measurement example. Note: The B2983A and B2987A have an internal rechargeable battery that allows them to...
- Page 3 03 | Keysight | Low Current Semiconductor Measurements Using the B2980A Series Ammeter - Technical Overview Measurement Basics and the B2980A Series Performance 1. Low noise, low impedance and low current ammeter provides stable measurement data The B2980A Series ammeter has the following features: –...
- Page 4 04 | Keysight | Low Current Semiconductor Measurements Using the B2980A Series Ammeter - Technical Overview 2. Floating ammeter design provides stable measurements for both loating and grounded DUTs (continued) Grounded DUT coniguration Figure 2 shows the case where one of the ends of the DUT is grounded. In this case the con- nection scheme shown in Figure 1 cannot be used.
- Page 5 05 | Keysight | Low Current Semiconductor Measurements Using the B2980A Series Ammeter - Technical Overview 3. Measurement speed, iltering/averaging and zero cancelation functions improve measurement data quality (continued) Null (Zero cancel) capability: To remove the effects of any residual offset currents, you can have the instrument automatically subtract out these currents by pressing the Null key.
- Page 6 06 | Keysight | Low Current Semiconductor Measurements Using the B2980A Series Ammeter - Technical Overview 4. Histogram View enables real-time data distribution analysis (continued) This example shows how you can use line frequency averaging and data iltering in conjunction with the Histogram View to improve data quality Note: The sample histogram shown in Figure 4(a), which has a bimodal distribution with peaks at both ends, is typical of the situation where sinusoidal power line voltage is the main noise source.
- Page 7 07 | Keysight | Low Current Semiconductor Measurements Using the B2980A Series Ammeter - Technical Overview Example 1. Monitoring LED Forward diode current (continued) The following steps outline how to setup and measure the low current I/V characteristics of an LED.
- Page 8 08 | Keysight | Low Current Semiconductor Measurements Using the B2980A Series Ammeter - Technical Overview Example 1. Monitoring LED Forward diode current (continued) Step 4. Press the [Run/Stop] key to start continuous current measurements. The “AUTO” indicator at the bottom of the screen shows that the measurement is continuously repeating.
- Page 9 09 | Keysight | Low Current Semiconductor Measurements Using the B2980A Series Ammeter - Technical Overview Example 1. Monitoring LED Forward diode current (continued) Step 7. As a inal step we will check the residual current of the test ixture.
- Page 10 10 | Keysight | Low Current Semiconductor Measurements Using the B2980A Series Ammeter - Technical Overview Example 2. LED forward diode I/V characteristics (continued) Step 3. (1) The Source function graphic changes to linear single sweep (upper right corner of screen).
- Page 11 The Keysight B2980A Series Picoammeter/Electrometer ammeter is an easy-to use, high performance and stable picoammeter that can measure down to 100 aA with 10 aA effective resolution.The B2980A Series employs a loating ammeter design, which provides considerable freedom to use the ammeter in various ways depending on the measurement requirements. The user friendly graphical interface supports four viewing modes: Meter View, Graph View, Histogram View and Roll View.
- Page 12 12 | Keysight | Low Current Semiconductor Measurements Using the B2980A Series Ammeter - Technical Overview For more information on Keysight myKeysight Technologies’ products, applications or www.keysight.com/find/mykeysight services, please contact your local Keysight A personalized view into the information most relevant to you.
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