Radio Receiver

zihao

New member
Thank you for reading my post firstly.
Yesterday,I have read an article stating a fm radio receiver circuit that could be used with PC. It's so cool. Now sharing it with you here.
The receiver materials and components have been stated one by one in the article like the following:
The resistances are 1/4W.
R1 47K
R2 22K
R3 100K
R4 39K
R5 10
R6-r12 7,5K – Optionally
R13-r21 15K – Optionally
P1 10K Logarithmic potentiometer
P2 100K Linear potentiometer
C1 39pF Ceramic
C2 47pF Ceramic
C3 2,2nF Polyester
C4, c14 220nF Polyester
C5 22nF Polyester
C6 10nF Polyester
C7, c18 180pF Ceramic
C8 150pF Ceramic
C9 100nF Polyester
C10, c13 330pF Ceramic
C11 220pF Ceramic
C12, c16 3300pF Ceramic
C15, c17 1800pF Ceramic
C19, c21, c22 10mF/16V electrolytic
C20 10nF Polyester
C23 47nF Polyester
C24, c25 470mF/16V electrolytic capacitor
L1, l2 5 Coils linked with internal diameter 4mm from cupreous isolated wire 0,6mm.
IC1 TDA7000 with base DIL18 (Click TDA7000 to buy it or learn more its detail as well as another semiconductors)
IC2 LM7805
IC3 LM386 with base DIL 8
D1 BB329 or BB105 or other than old tuner televisions.
SPEAKER Loudspeaker 8W/1W.
S1 Switch of catering.
AERIAL 50cm isolated wire
CONNECTOR DB25 Fastener of 25 pin parallel door PC (LPT) – Optional
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PC RADIO TECHNICAL CHARACTERISTICS
Stabilised Vcc = 9~12V
Frequency of reception: 88~108MHz
Consumption: 100mA