The circuit employs the properties of the gates of low power IC 4093. It is a NAND IC with four gates that can be designed in various ways. Here the first gate (N1) is designed as a simple oscillator ...

With this transistor tester, you can test both npn and pnp transistors using this circuit. The circuit indicates whether the transistor is good, open or shorted through two light-emitting diodes (LEDs ...

DIYや修理作業をするとき、あなたはどんな道具を使っていますか？特に電気関係の作業において、正確な測定ができることは非常に重要です。電圧や抵抗、電流を正確に測定するために欠かせないアイテムが【オーム(OHM) デジタルテスター】です。とくに ...

transistor unitester elektor march 1985 G. Fossa n Many electronic components may only be fitted into a circuit in one way: the polarity must be correct in other words. Diodes, electrolytic capacitors ...

Like the previous circuit, this transis-tor tester will indicate whether the current gain of the transistor under test is that of a class `A`-, class `B`-or class `C` type. The circuit wil I also ...

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