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Transistor h fe varies fairly widely with Ic, so measurements with the service type tester give readings that can differ quite a bit from the h fe in the transistor's real life application. Hence these testers are useful, but can't be regarded as giving accurate real-life h fe values.
In addition to the transistor characteristic curves, the Type 575 is used to display dynamic characteristics of a wide range of semiconductor devices." (Tektronix, Catalog, 1967) A curve tracer is a specialised piece of electronic test equipment used to analyze the characteristics of discrete electronic components , such as diodes , transistors ...
Creates constant-amplitude variable frequency sine waves to test frequency response Transistor tester: Tests transistors Tube tester: Tests vacuum tubes (triode, tetrode etc.) Wattmeter: Measures power in a circuit Vectorscope: Displays the phase of the colors in color TV Video signal generator: Generates video signal for testing purposes Voltmeter
SCPI-1999, Volume 1-4, 819 page PDF file, free download (doesn't include asterisk (*) commands, because they are specified in IEEE 488.2 & IEC 60488-2) IEEE 488.2-1992, 254 page PDF file, costs USD$52 in 2024 (superseded by IEEE/IEC 60488-2-2004) IEEE/IEC 60488-2-2004, 264 page PDF file, costs USD$373 in 2024
The 2N3055 is a silicon NPN power transistor intended for general purpose applications. It was introduced in the early 1960s by RCA using a hometaxial power transistor process, transitioned to an epitaxial base in the mid-1970s. [1] Its numbering follows the JEDEC standard. [2] It is a transistor type of enduring popularity. [3] [4] [5]
An LCR meter is a type of electronic test equipment used to measure the inductance (L), capacitance (C), and resistance (R) of an electronic component. [1] In the simpler versions of this instrument the impedance was measured internally and converted for display to the corresponding capacitance or inductance value. Readings should be reasonably ...
ZVA40 vector network analyzer from Rohde & Schwarz.. A network analyzer is an instrument that measures the network parameters of electrical networks.Today, network analyzers commonly measure s–parameters because reflection and transmission of electrical networks are easy to measure at high frequencies, but there are other network parameter sets such as y-parameters, z-parameters, and h ...
While not a replacement for a proper transistor tester, and most certainly not for a swept curve tracer type, this facilitates testing diodes and a variety of transistor types. [26] A graphic representation of the quantity under test, as a bar graph. This makes go/no-go testing easy, and also allows spotting of fast-moving trends.