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The NPN bipolar junction transistor (BJT) emitter follower is great for transferring a weak signal voltage to a load, other than the problem of losing at least 0.6V due to the base to emitter diode drop.
If using a reverse biased zener diode to set the voltage, and you want that almost exact zener voltage across the load, you can simply put a forward biased silicon rectifier diode in series with it to stack up those voltages as shown in the video.
#zener #electronics #2n2222
Негізгі бет How to compensate for 2N2222 NPN Bipolar Junction Transistor Emitter Follower Base to Emitter drop
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