Basic FM transmitter using 3 transistors. Transmit 100 meters

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Published on August 2, 2024 by

Introducing our latest DIY FM transmitter kit, perfect for beginners and hobbyists looking to explore the world of wireless communication. This kit stands out from our previous FM transmitters by incorporating three NPN transistors, significantly enhancing its performance. With a transmission range of approximately 50-100 meters, it offers robust and reliable audio transmission.

Key Features:

  1. Enhanced Wireless Microphone:
    • This FM transmitter functions as an advanced wireless microphone, delivering superior transmission quality. Whether you’re using it for casual communication or experimental purposes, you can expect clear and crisp audio.
  2. Versatile Audio Transmission:
    • In addition to transmitting voice via the built-in microphone, this kit allows you to transmit audio signals from various sources. Simply connect your audio input, and broadcast your favorite tunes or important messages.
  3. Frequency Range:
    • Operates around 83 MHz, ensuring compatibility with most standard FM radios. This frequency range is ideal for short-range communication and various DIY projects.
  4. Working Voltage:
    • Designed to operate efficiently within a voltage range of 1.5V to 9V, making it versatile and adaptable to different power sources. For optimal performance, a power supply of 4.5V is recommended.
  5. Impressive Transmission Range:
    • Capable of transmitting more than 100 meters at 4.5V, providing ample coverage for most hobbyist applications. This range makes it suitable for small events, presentations, and personal use.
  6. Easy Setup:
    • To enhance the transmission range and ensure a stable signal, users need to solder a 50cm wire to the kit. This simple modification boosts the transmitter’s capability, allowing for a more reliable FM signal reception on ordinary FM radios.

Applications:

  • Educational Projects: Perfect for schools and educational institutions looking to teach students about wireless communication and electronics.
  • Hobbyist Experiments: Ideal for electronics enthusiasts who enjoy experimenting with radio frequencies and audio transmission.
  • Small Events: Use it as a wireless microphone system for small gatherings, presentations, or community events.

With its straightforward assembly and excellent performance, this FM transmitter DIY kit is a fantastic tool for anyone interested in exploring the exciting world of FM transmission. Get yours today and start broadcasting with confidence!

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