AM TRANSMITTER

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JMJ Marist Brothers
Notre Dame of Dadiangas University
General Santos City
AM TRANSMITTER
CPE 418/EE/ECE 413
PRINCIPLES OF COMMUNICATIONS
Sarez, John Lloyd M.
BSCpE-4
Engr. Jasper C. Sur, MEE-ECE
PROFESSOR
August 02, 2018
OBJECTIVES:

To design and construct an amplitude modulated radio frequency source

To detect and demodulate the radio frequency signal and use it to drive a
loudspeaker.
SCHEMATIC DIAGRAM & SPECIFICATION OF THE DIAGRAM:
PROJECT PARTS:
Resistors:
1
3
1
1
pc - 1 mega-ohms
pcs -1 kilo-ohms
pc - 100 kilo-ohms
pc – 4.7 kilo-ohms
1
2
1
1
1
pc - 104 nano-Farad
pcs - 221 pico-Farad
pc - 151 pico-Farad
pc - 221 micro-Farad
pc – 20 or 40 pico-Farad Trimmer Capacitor
Capacitors:
Transistor:
2 pcs- BC547b
Others:
Electret Condenser Microphone
Battery (9 Volts)
Battery Snap
Secondary Coil (size 26)
Universal PCB
Soldering Lead
Switch
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