The Incredible Story Behind the First Transistor Radio
The Incredible Story Behind the First Transistor Radio
Sep 30, 2024
ieee.org
The first transistor radio put music in our pockets and changed the world forever. #history #discovery #vintage | Untold Ancient History
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The first transistor radio put music in our pockets and changed the w…
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FacebookUntold Ancient History
Radio History: 1950 -1959 Transistors Rule - ChildhoodRadio
Radio History: 1950 -1959 Transistors Rule - ChildhoodRadio
Aug 28, 2020
childhoodradio.com
This is a simple transistor radio circuit that can detect AM (Amplitude Modulated) signals and play them directly through a small speaker. The entire circuit runs on just a 1.5V battery, making it a perfect project for electronics beginners. 🔧 Components Used: Transistors: 3 × BC547 (NPN) Resistors: 1.8kΩ, 3.3kΩ, 2.2kΩ, 100kΩ, 10Ω Capacitors: 0.01µF, 0.1µF (×2), 0.47µF, 137.5pF (tuning capacitor) Inductor: 1mH coil (works as antenna and tuning coil) Speaker: 8Ω mini speaker Battery: 1.5V cell -
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