Build and customize your own radio broadcasting experience with this Radio Medium Wave Transmitter Kit, designed specifically for medium wave enthusiasts and students studying wireless signal generation and AM transmitter sound modulation principles. Crafted on a durable PCB, this kit offers a comprehensive hands-on approach to understanding sound amplification, oscillation sourcing, high-frequency amplification, modulation, and filtering networks to deliver clear and adjustable medium wave transmissions. Key Features: · Complete Sound Amplification Circuitry: Incorporates resistors, capacitors, potentiometers, and a dedicated amplifier chip to enhance sound input from various sources such as CD players, desktop computers, and mobile phones through a standard 3.5mm audio input. · Adjustable Oscillation Source: Common base modulation transformer circuit generates high-frequency equal amplitude signals adjustable between 530‑1600 kHz, enabling precise tuning within the medium wave band. · High Frequency Amplification and Modulation: Multi-stage amplification ensures strong signal output up to 500 milliwatts, with adjustable modulation controls to optimize sound quality and transmission power. · Advanced Filter Network: Low pass filter components effectively remove high harmonics, producing a clean sinusoidal waveform for superior antenna matching and improved broadcast clarity. · Flexible Power Supply Requirements: Operates on a 9V 2A DC power source with a 5.5mm interface (internal positive, external negative), allowing users to supply their own power for convenience and adaptability. · Versatile Antenna Compatibility: Supports household wires with 1.5 or 2.5 square millimeter diameters and lengths ranging from 2 to 5 meters (antenna not included), offering flexibility in setup and range optimization. · Educational and Practical Use: Ideal for medium wave radio hobbyists, DIY electronics students, and anyone interested in learning the principles of wireless signal transmission and AM modulation through practical experimentation. Specifications: · Item Type: Radio Medium Wave Transmitter Kit · Material: PCB · Power Supply: 9V 2A DC, 5.5 Interface (Internal Positive, External Negative) – power supply not included · Transmission Frequency: 530–1600 kHz (Medium Wave Band) · HF Transmitting Power: Adjustable 20–500 mW (effective range 5–10 meters) · Antenna: Compatible with household wire of 1.5 or 2.5 sq mm diameter, 2–5 meters length (self-provided) · Sound Input: 3.5mm audio jack (both ends), includes board accessories · Supported Sound Sources: CD players, desktop computers, mobile phones, and more Package Includes: · 1 x Radio Medium Wave Transmitter Kit (PCB Board) This Radio Medium Wave Transmitter Kit provides an excellent platform for learning and experimentation with AM transmission technology. Its adjustable frequency and power output, combined with comprehensive amplification and filtering components, ensure clear signal delivery and rich sound modulation. Lightweight and easy to assemble, it is perfect for educational projects, hobbyist use, and anyone looking to explore the fundamentals of radio wave transmission.