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About BUILDCIRCUIT

BuildCircuit is an online store for selling electronics kits and components related to Arduino, Raspberry Pi, etc. We operate from Sydney, Australia.

We design and sell basic electronic kits and Arduino modules for all electronics enthusiasts.

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Components for FM transmitter

US $7.07
SKU:
BC-234
Shipping:
Calculated at checkout
Quantity:

This product is shipped from Sydney, Australia. Worldwide shipping available- we ship to USA, Canada, New Zealand, UK, EU and Non-EU countries.

This is a package of all the components required to build a simple FM transmitter on a veroboard or a PCB.

The following list is a components for this schematic:

fm-transmitter-schematic.jpg

Kit package contains (PCB is not included):
  1. Electret microphone.
  2. Transistor (Q1)- S9018.
  3. R1- 2.2K
  4. R2- 22K
  5. R3- 2.2K
  6. R4- 33 Ohm
  7. R5- 33 Ohm
  8. C1- 0.1uF(Code- 104). Read here how to interpret capacitor code.
  9. C2- 0.1uF (Code- 104)
  10. C3- 680pF(Code- 681)
  11. C4- 30pF(Code- 30). This capacitor contributes to the FM transmission frequency.
  12. C5- 10pF(Code- 10)
  13. C6- 30pF(Code- 30). Coupling capacitor connected to the antenna of the kit.
  14. C7- 30pF(Code- 30)
  15. C8- 0.1uF(Code- 104)
  16. Inductor(L)- 0.1uH (5.5Turns coil). This contributes to the FM transmission frequency.
  17. Antenna- A short wire, 20cm long.
  18. 9V battery connector
  19. Stereo speaker jack 
We may send 4 color or 5 color code resistors.
 
Use this tutorial to build your FM transmitter on a PCB:

See how it works: 

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