DIY FM Transmitter Wireless Microphone Kit

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

$12.99 (only 0 pcs )

Item ID: 12385

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Product Details

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: