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DC 4-6V DIY FM Transmitter Wireless Microphone FM Frequency Modulation MP3 Transponder DIY Kits

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DIY FM Stereo Transmitter Wireless Radio

Parameter:

NO. Parameter Value
1 Name FM stereo transmitter
2 Model RF-03PLL
3 Operating Voltage DC 4-6V
4 Operating Current 20-40mA
5 Transmitting Distance 20-80M (no barrier)
6 Transmitting Frequency 87-108MHz (Change frequency by toggle Switches)
7 Power Indication YES; when lower than 4V, LED off automatically
8 Oscillation mode PLL Phase-locked loop
9 Frequency Stability Zero drift
10 Sound Quality Good; Stereo dual channel transmitting, Auto gain control
11 Microphone YES, onboard the PCB
12 Microphone Using Distance 1M
13 Microphone And Audio Input Switch Way unplug the audio wire, the microphone will operate normally

Application:
Private radio
Car audio transmitter
Wired audio to wireless

Coding Table:

Low frequency D0 D1 D2 D3 Frequency
S3->L88M L L L L 87.7MHz
H L L L 87.9MHz
L H L L 88.1MHz
H H L L 88.3MHz
L L H L 88.5MHz
H L H L 88.7MHz
L H H L 88.9MHz
High frequency L L L H 106.7MHz
S3->L10M H L L H 106.9MHz
L H L H 107.1MHz
H H L H 107.3MHz
L L H H 107.5MHz
H L H H 107.7MHz
L H H H 107.9MHz

Components List:

NO. Component Name PCB Marker Parameter QTY
1 Metal Film Resistor R8 4.7R 1
2 Metal Film Resistor R9,R22 100R 2
3 Metal Film Resistor R10,R11,R14,R23,R26 2.2K 5
4 Metal Film Resistor R21,R24 4.7K 2
5 Metal Film Resistor R1,R3,R4,R5,R6,R7,R12,R13,R18,R19,R20,R25 10K 12
6 Metal Film Resistor R2,R15 47K 2
7 Ceramic capacitor C27 3P 1
8 Ceramic capacitor C26 15P 1
9 Ceramic capacitor C24 22P 1
10 Ceramic capacitor C3,C6,C19,C23,C25 30P 5
11 Ceramic capacitor C17,C22,C28 101P 3
12 Ceramic capacitor C31,C35 102P 2
13 Ceramic capacitor C16,C21 222P 2
14 Ceramic capacitor C7,C33 103P 2
15 Ceramic capacitor C2,C5,C12,C20 104P 4
16 Electrolytic capacitor C11,C13,C14,C15,C29 1uF 5
17 Electrolytic capacitor C18,C30 10uF 2
18 Electrolytic capacitor C34 22uF 1
19 Electrolytic capacitor C32 47uF 1
20 Electrolytic capacitor C1,C4 470uF 2
21 BH1417F IC1 SOP-22 1
22 Transistor Q2,Q4,Q5 S9018 3
23 Transistor Q1 S9014 1
24 Crystal X1 7.6MHz 1
25 Toggle Switches S1,S3 3P2 2
26 Switch S2 4-Position 1
27 Zener diode ZD1 4.3V 1
28 Varactor diodes VD1 FV1043 1
29 LED LED1 Red 3mm 1
30 Inductance L1 150uH 1
31 Inductance L4 5T 1
32 Inductance L2 8T 1
33 Audio input socket JK1 Stereo 5 pin 1
34 Microphone MIC F10*H7mm 1
35 Battery terminal J1 KF301-2 1
36 Copper wire ANT 300mm 1
37 PCB   73*51mm 1

NOTE: You can complete the installation by PCB silk screen and components list.
 

Download the Installation Instructions here:

 

Finished Product Picture:
( Note: The black cable is antenna, should be soldered on the "ANT" place. )



I. Tested by ICStation's Outstanding Partner 12voltvids:

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(The language in the video is English)

II. Tested by ICStation's Outstanding Partner LearningZone:

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(The language in the video is English)


III. Tested by ICStation's Outstanding Customer mosslack:

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(The language in the video is English)

 

IV. Tested by ICStation's Outstanding Partner ELECTROJUANYU:

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(The language in the video is Spanish)

Tested by ICStation's Outstanding Partner randomtronic:

Learn More Details in the Video:
(The language in the video is English)

 

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DC 4-6V DIY FM Transmitter Wireless Microphone FM Frequency Modulation MP3 Transponder DIY Kits
$9.09
$12.99
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