FM Bug Transmitter Mint Box:-
So we've already seen mint can MP3 players and mint can amplifiers for guitars and tons of other projects, why not an FM bug transmitter? Well for starters, a tin can would be the worst place to put an fm transmitter! Luckily I stumbled upon this plastic mint box and thought...why not?
Two transistor FM transmitters and FM bug circuits are all over the internet and they all share a common design that will be followed in this project as well. The reason I'm not trying to invent something new here is simply because FM transmitters have been redesigned to death. Why not instead have some fun with it?
Two transistor FM transmitters and FM bug circuits are all over the internet and they all share a common design that will be followed in this project as well. The reason I'm not trying to invent something new here is simply because FM transmitters have been redesigned to death. Why not instead have some fun with it?
CIRCUIT DIAGRAM:-
Parts:-
- Electret Microphone
- 2x BC547 Transistors
- 1nF Capacitor
- 22pF Capacitor
- 2x 6p8 Capacitor
- 2.2uF Capacitor
- 10kΩ Resistor
- 22kΩ Resistor
- 1MΩ Resistor
- 47kΩ Resistor
- 470Ω Resistor
- 3v Button Battery CR2032
- CR2032 Battery Holder
- AWG 18 Wire
- Breadboard Wire
- PC Board
- Solder
- Soldering Iron
- Power Drill
- Plastic Mint Box
The goal of this project is for me personally to learn a little more about fm transmitters and fm bug making (may the HAM radio gods bless me in this pursuit). The ideal outcome of this project is a very small and full functional FM transmitter that we can stick into a plastic mint box.
In order to be able to build this, we'll have to learn a lot about amplifiers, LC oscillators, mixers, antennas and FM. This project assumes you're already comfortable build your own PCB boards. If you're not please take a look at the homemade pcb'stutorial before you continue. It will help you out a lot.
In order to be able to build this, we'll have to learn a lot about amplifiers, LC oscillators, mixers, antennas and FM. This project assumes you're already comfortable build your own PCB boards. If you're not please take a look at the homemade pcb'stutorial before you continue. It will help you out a lot.
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