Loresek

diy audio enthusiastic

[Loresek @byutea]

Bug hari ini: dalam mode tidak ada sinyal, volume di posisi 50% terdengar hiss/pink/white noise yang kemudian mengecil ketika volume ke posisi 100%. Hmmm 🤔 mari kita selidiki 🕵️

[Loresek @byutea]

Next >> #SilentPoint DAA-140, headphone amplifier dengan dual input (Digital dan Analog)

[Loresek @byutea]

Hari ini, Stability test di Android menggunakan Poco F1 dengan music player Poweramp.

[Loresek @byutea]

Ahhh.... transistor favorit saya 😊

[ElectronicsNotes by Ian Poole @ElecNotes]

Is the 2N2222 the most important transistor ever made?

It isn’t the fastest, it’s certainly not the most powerful, and in an era of advanced MOSFETs and complex Integrated Circuits, it feels like a relic from a bygone age.

Yet, after more than 60 years, this humble "jelly bean" component remains the absolute go-to for engineers and hobbyists worldwide.

In this video, I pull back the curtain on the legendary 2N2222. I’ll look at the history that launched a semiconductor revolution and why this classic NPN silicon transistor still thrives on modern workbenches in 2026.

But this isn't just a history lesson. As with any "standard" component, there are nuances, variations, and potential pitfalls that can trip up even experienced designers.

From confusing package variations that could fry your circuit to hidden performance characteristics that the datasheets don't always highlight in bold print, I'm covering the "personality" of this workhorse.

Whether you're switching relays, driving LEDs, or just clearing out your parts bin, you’ll want to watch this before you reach for your next transistor.

In this video:
* The origin story of an industry icon.
* The basic transistor and when & how it was developed.
* The "A" spec, the plastic packages, and the pinout traps you need to know about.
* Critical design warnings that will help you avoid common "beginner" mistakes.
* Why the 2N2222 is still thriving in the age of Gallium Nitride and Silicon Carbide.
* The SMD versions that can be used today

Check out my video for the full story: https://t.co/oQykXTlck8

#2N2222 #transistor #vintagetransistor #electroniccomponents #vintageradio #techhistory

[Loresek @byutea]

Ganti pake baut pake bahan stainless steel, cakep juga jadinya 😍

[Loresek @byutea]

Desain headphone amplifier lagi. Versi mini-nya #SilentPoint HA-140 😘

[Loresek @byutea]

Dapet 3.54Vrms sebelum clipping, load 47Ohm, jadi power max @ 47Ohm/1Khz = 266mW

[Loresek @byutea]

@sola_Audio I'm using LTC4054 https://t.co/trcxGEUCwo