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Found an identity test in the wild. These chips are in a $13.99 assortment kit. How many can you identify? Me: 1/13 - LM324 - LM358 - LM386 - LM393 - NE5532 - NE555 - PC817 - ULN2003 - ULN2803 - ICL7660S - JRC4558 - LM339 - TDA2030AN - TDA2822D - PT2399 - UC3842AN - UC3843AN
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Quad opamp Dual opamp Audio power amp Comparator Hi-fi opamp 555 Timer ? Darlington driver x6 ? ? Suspect a linear chip ? Comparator ? ? ? Switchmode control ic Ditto, current mode So maybe 11 out of 17, perhaps?
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PC817 - optocoupler ULN2803 - relay driver ICL7660S - voltage converter JRC4558 - op amp LM339 - voltage comparator TDA2030AN - audio amplifier TDA2822D - audio amplifier PT2399 - delay/echo chip UC3842AN - pulse width modulator UC3843AN - " "
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