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Digital FM Receiver with Arduino and TEA5767

Stayed Tuned with an Arduino Nano

Digital FM Receiver with Arduino and TEA5767
Digital FM Receiver with Arduino and TEA5767
To build an FM receiver, developers can use highly integrated chips, such as the TEA5767 from NXP. Here we describe an FM receiver with a frequency range of 76 to 108 MHz and 2 x 3 W stereo sound output. An Arduino Nano reads three push buttons for frequency tuning and diplays the FM station data on an LCD.

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Materials

Component list

Component List

Resistors             

R1 = 10 k trimmer, vertical style

R2, R3 = 10k, size 0805

R4 = 10 Ω, size 1206

R5, R6 = 4.7 kΩ, size 0805

POT1 = 50 kΩ stereo potentiometer + Switch (RV0971GS, see text)

 

Capacitors                        

C1, C6, C9, C10, C11, C13 = 100 nF, size 0805

C2, C3, C7, C8 = 47uF, size 1206

C4, C5 = 470 nF, size 0805

C12 = 10 uF, size 0805   

C14, C15 = 10 uF, size 1206         

 

Semiconductors

IC1 = 2 x 3 W audio amplifier PAM8403DR (SOIC-16)

IC2 = 5 V voltage regulator MC7805CD2TG (D2PAK-style)

U1 = FM Receiver module TEA5767

 

Miscellaneous

AR1 = Arduino Nano board

LCD1 = 2 x 8-character alphanumeric LCD

P1, P2, P3 = 2-way XH-connector, 2.54 mm pitch

SW1, SW2, SW3 = tactile push button 6 mm x 6 mm

CON1 = UFL connector SMD + telescopic antenna (see text)

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