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Easy AM Transmitter!
by rtty21 on January 7, 2011
Table of Contents
License: Attribution No Derivatives (by-nd) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Intro: Easy AM Transmitter! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
step 1: Parts and Prep (Small Stuff) . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
step 2: Parts and Prep (Bigger Stuff) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3step 3: Schematic!! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
step 4: Testing 1, 2, 3... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
step 5: How... WHY?!? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
step 6: Improving your radio! . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
step 7: Extra Info. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
http://www.instructables.com/id/Easy-AM-Transmitter/
License: Attribution No Derivatives (by-nd)
Intro: Easy AM Transmitter!
You are goingto build an AM radio transmitter AND you will be shown how it works. When you finish your radio, it will look something like mine in the picture below.
I have attached the PDF file in the last step to this Inst'able for those without a pro membership.
step 1: Parts and Prep (Small Stuff)
==These are the small components you will need==
--Small Stuff-- 555 timer chip
- NPN transistor
- two#103 capacitors (0.01 microfarads or 10,000 picofarads)
- #102 capacitor (0.001 microfarads or 1,000 picofarads)
- some short wires
- two 1 Kilohm resistors
- 10 Kilohm resistor
- 1/8 inch (3.5 millimeter) female audio jack (yours may have more or less than three
wires, but it must have at least two)
- 5 Kilohm potentiometer
==see next step for bigger components==
Image Notes
1. 555timer chip
2. NPN transistor
3. two #103 capacitors
4. #102 capacitor
5. two 1 Kilohm resistors
6. 1/8 inch (3.5 millimeter) female audio jack
7. 5 kilohm potentiometer
http://www.instructables.com/id/Easy-AM-Transmitter/
8. 10 kilohm resistor
9. just wires.
step 2: Parts and Prep (Bigger Stuff)
==These are the bigger components you will need==
--Bigger Stuff-- 1/8 inch (3.5...
Regístrate para leer el documento completo.