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As the heavy machinery of the grinder roars to life, you realize the true horror isn't just what's chasing you—it's , a mysterious clawed hand that emerges from the darkness to claim those who fail. You hop onto the train, the engine roaring to life, but as Poppy’s voice flickers over the intercom, you realize the track doesn't lead to the exit. It leads further into the dark.

"Welcome to my home, little fly," she purrs, her elastic limbs coiling around the support beams like serpents. "To earn the train code and escape, you must survive my games. But be warned... Mommy doesn't like cheaters." You are forced into a series of twisted trials:

Suddenly, a high-pitched, melodic voice echoes through the rusted rafters. From the shadows emerges a spindly, pink nightmare: . She doesn't want to kill you—at least, not yet. She wants to play.

A deadly game of "Red Light, Green Light" against PJ Pug-a-Pillar in a neon-lit obstacle course.

A test of speed and focus where one wrong move leads to a crushing end.

Small, feral versions of Huggy crawl from the walls, their teeth bared in the dark.

The final chase leads you through the industrial bowels of the plant. Mommy Long Legs, furious at your survival, loses her composure, her voice dropping into a guttural snarl. "You made me lose!" she screams, her plastic face contorting.

Disclaimer: This tool is provided for educational and illustrative purposes only. No guarantee is made regarding accuracy, suitability, or performance. Use at your own risk. - Copyright: ufelectronics.eu / Andreas Dyhrberg

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Amplifier Schematic
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There are different ways to calculate an amplifier, depending on what you want to achieve.

Maybe you want to achieve a certain gain, as far as possible (classic mode). Or you have a low Vcc to respect (modern mode). Or you work with analog audio amps (symmetry mode).

Depending on what you want to achieve and the way of calculating it. Some fields might become dependent on others, or the other way around.

Your above choise makes some input fields available for manipulation, while hiding others.

🎯 1. Target Gain (Av) — "Classic mode" As the heavy machinery of the grinder roars

You care about how much your amplifier multiplies the input signal.

Set desired voltage gain and Rc voltage drop. Best for learning and simple amplifiers.

You say: “I want a gain of 10.”
The app adjusts resistors to try and match that.
You must give Av and Vrc (the voltage dropped across Rc).

Best for common emitter amplifiers.

✅ Default choice for most beginners and educational use. "Welcome to my home, little fly," she purrs,

⚡ 2. Target Emitter Voltage (Ve) — "Modern mode"

You care about setting a healthy DC bias point.

Prioritize stable biasing via Ve. Useful for low-voltage circuits or precision designs.

You say: “I want Ve = 0.5 V, to keep the transistor out of trouble.”
This makes sure your transistor stays in active mode.
Gain becomes whatever it turns out to be.

Ideal for common emitter amplifiers when the goal is to ensure proper biasing for low-voltage or precision circuits, and it’s also used in class AB amplifiers to prevent distortion Mommy doesn't like cheaters

✅ Useful in low-voltage designs (e.g., 3.3V systems).

🧭 3. Target Collector Voltage (Vc) — "Symmetry mode"

You want to place the collector in the middle of the power rail.

Target Vc = Vcc/2 for maximum signal swing. Great for audio and analog signals.

You say: “Make Vc = Vcc/2” for maximum swing.
Useful for analog audio amps or symmetrical headroom.
Gain and Ve are outcomes.

Best for common collector amplifiers and class AB amplifiers.

✅ Best for signal integrity.

Poppy Playtime Вђ“ Chapitre 2 Tг©lг©chargement Gratuit Apr 2026

As the heavy machinery of the grinder roars to life, you realize the true horror isn't just what's chasing you—it's , a mysterious clawed hand that emerges from the darkness to claim those who fail. You hop onto the train, the engine roaring to life, but as Poppy’s voice flickers over the intercom, you realize the track doesn't lead to the exit. It leads further into the dark.

"Welcome to my home, little fly," she purrs, her elastic limbs coiling around the support beams like serpents. "To earn the train code and escape, you must survive my games. But be warned... Mommy doesn't like cheaters." You are forced into a series of twisted trials:

Suddenly, a high-pitched, melodic voice echoes through the rusted rafters. From the shadows emerges a spindly, pink nightmare: . She doesn't want to kill you—at least, not yet. She wants to play.

A deadly game of "Red Light, Green Light" against PJ Pug-a-Pillar in a neon-lit obstacle course.

A test of speed and focus where one wrong move leads to a crushing end.

Small, feral versions of Huggy crawl from the walls, their teeth bared in the dark.

The final chase leads you through the industrial bowels of the plant. Mommy Long Legs, furious at your survival, loses her composure, her voice dropping into a guttural snarl. "You made me lose!" she screams, her plastic face contorting.