Transistor Tester for Analog Discovery: Enables Characteristic Curve Tracing for Diodes and Transistors

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The curve tracer instrument in WaveForms allows several of the Discovery family of devices to draw characteristic curves of common devices like diodes, NPN and PNP transistors, and both P- and N-type FETs. The Transistor Tester can be plugged into the Analog Discovery and enable the use of this instrument without any need for reference circuit set ups, similar to a traditional curve tracer instrument. However unlike traditional curve tracer instruments, WaveForms runs on a computer, readily providing measurements, cursors and screenshots that can be taken with the click of a button. This is extremely convenient for lab reports, and much more accurate than a photo of a display. 

When using the Analog Discovery and Transistor Tester and adapter is selected, the curve tracer instrument provides the appropriate reference resistors and can be used to easily plot the characteristic curves and add cursors to take the necessary measurements. The Adapter is loaded with a 2x15 female connector which can be plugged directly into the analog Discovery. Components or leads can be attached via the terminal block on the Transistor Tester. 

  • Works with diodes, NPN and PNP transistors, and P- and N-Type FETs
  • Connector J2 for E / C / B / E connections
  • 10 kΩ Internal Resistor for Rb
  • 100 Ω Internal Resistor for Rc
  • Compatible with the Analog Discovery 3, Analog Discovery 2, and Analog Discovery (Legacy)
  • 2×15 Analog Discovery connector
  • Product Compliance: 
    • HTC: 8473301180
    • ECCN: EAR99
  • Analog Discovery Transistor Tester
  • Custom Anti-Static Packaging

The resource center for the Transistor Tester is the central hub of technical content for the device, and contains everything to get started and reduce mean time to test. This includes a getting started guide, documentation, tutorials, example projects and a link to technical support. 

Resource Center

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  • 4
    Curve Tracer Adaptor

    Posted by Mike T on 6th Jun 2023

    Very useful and a very good value IMO. Voltage, current and frequency range are limited of course, by the AD2 itself. Waveforms software controls the relays automatically and gives prompts to increase or decrease resistors. My only complaint is the little 4 terminal connector is _very hard to operate, makes for _sore fingers. It's _so stiff it wasn't obvious which way to push it, and I was afraid I'd break it. I'll probably replace it with a ziff socket or something. IDK if they're all like that?