FPV Analog Video Transmitter CVBS mai aikawa da samfurin bidiyo mai jiwuwa 400-900MHz UHF vcan1904

FPV Analog Video Transmitter CVBS mai aikawa da samfurin bidiyo mai jiwuwa 400-900MHz UHF vcan1904

Overview

Wannan tsarin na UHF ne Kayan aikin rediyo a cikin rukunin mitar, wanda zai iya watsa sauti da bidiyo a cikin iyakataccen iyaka. An ƙera shi don ƙarancin wutar lantarki, hadedde VCO, PLL, da AM broadband video demodulation, Mitar mai ɗaukar sauti yana sa tsarin ƙarami; yana ɗaukar ƙaramin fakitin allo guda ɗaya, wanda ya dace ga masu amfani don rage girman aikace-aikacen.

Aikace-aikacen wannan ƙirar yana buƙatar kawai haɗa wutar lantarki kawai, na USB audio, da kebul na bidiyo, da haɗa eriya don amfani da nau'ikan tashoshi na kayan aikin lantarki waɗanda ke goyan bayan liyafar TV ta analog, ciki har da wayoyin hannu, Talabijin, kwamfutar tafi-da-gidanka, MP4, da hotuna na dijital.

Feature

1. UHF AM broadband fitarwa
2. Small size: 17*16.5*4.5mm
3. WIDE ƙarfin lantarki aiki: 3.3-4.2V
4. Low ikon amfani:3.3V 180mA
5. Babban ƙarfin fitarwa:17dBm
6. Gina-in mitar lokaci-kulle madauki babban kwanciyar hankali
7. Daidaitawar siginar sauti da bidiyo kai tsaye
8. Ana iya kiran tashoshi takwas masu sassauƙa
9. Chipset ASE373C

aikace-aikace

1. Analog tv wayar hannu
2. VCD/DVD/DVB audio/Bidiyo mara waya ta watsa;
3. Baby saka idanu;
4. Sa ido kan hoto na ainihin-lokaci;
5. Tsarin watsa tsaro;
6. PSP game juya da TV
7. Juyawa na gani mara waya

fil Ƙayyade

fil	Sunan Pin	I / O	kwatanta
1	VCC_IN	Input	3.3V shigar da wutar lantarki
2	GND	Input	kasa iko
3	VIDEO_IN	Input	Video shigar da, da shigar impedance ne 75 ohms
4	AUDIO_in	Input	audio shigar da
5	CH1	Input	Shigar da zaɓin tashoshi
6	CH2	Input	Shigar da zaɓin tashoshi
7	CH3	Input	Shigar da zaɓin tashoshi
8	ON	Input	eriya

Dogon baƙar kebul shine eriyar watsawa. 4 PIN, Jajayen kebul shine shigar da wutar lantarki, Black cable shine GND, Kebul na Yellow shigarwar bidiyo ne kuma Farar kebul ita ce shigar da sauti.

Da'irar Aikace-aikace

Teburin zaɓi na mita:

Frequency	CH1 CH2 CH3 pin	connect
775.25	0 0 0	CH1; CH2；CH3 GND
759.25	0 0 1	CH3 GND,CH1；CH2 banza
743.25	0 1 0	CH2 GND,CH1；CH3 banza
727.25	0 1 1	CH2；CH3 GND,CH1 banza
711.25	1 0 0	CH1 GND,CH2；CH3 banza
695.25	1 0 1	CH1；CH3 GND,CH2 banza
679.25	1 1 0	CH1; CH2 GND,CH3 banza
663.25	1 1 1	CH1; CH2；CH3 banza

Musammantawa

Cikakkar Maximum Ratings (Wuce madaidaicin ƙima zai iya haifar da lalacewa ta dindindin ga na'urorin ciki)
siga	alama	yanayin aiki	mafi ƙarancin ƙima	dabi'a ta al'ada	matsakaicin darajar	naúrar
wutar lantarki wadata	VCC		-0.5		4.2	IN
Input ƙarfin lantarki	mu		-0.5		VCC+0.5	IN
Wutar lantarki mai fitarwa	Vo	Lokacin da yanayin kaya ya cika	GND		VCC-0.5	IN
zafin jiki na ajiya	Tstg	Yana nufin module ɗin kanta kawai, ba tare da marufi ba	-20		60	° C
zafi			10%	50%	85%
Shawarar yanayin aiki (Idan ba a cika sharuɗɗan aikin da aka ba da shawarar ba, ƙila ba za a iya cimma ƙayyadadden alamun aikin lantarki ba)
siga	alama	yanayin aiki	mafi ƙarancin ƙima	dabi'a ta al'ada	matsakaicin darajar	naúrar
wutar lantarki wadata	VCC		3.3	3.3.	4.2	IN
Wutar lantarki ripple ƙarfin lantarki	Vlp			10	25	mVpp
Input ƙarfin lantarki	mu		GND	–	VCC	IN
zafin aiki	Fuskanci	Kawai yana nufin module ɗin kanta, ban da sauran sassa	-20	27	60	° C
Halayen Lantarki (VCC=5.0V, Ta=25°C)
siga	alama	yanayin aiki	mafi ƙarancin ƙima	dabi'a ta al'ada	matsakaicin darajar	naúrar
wadata halin yanzu	Icc	Vcc = 5.0V	160	180	200	Ma
mitar rediyo
Ƙarfin fitarwa	RFO	50Ω tsarin	16	17	18	dBm
fitarwa impedance			—	50	—	Oh
Mitar tashoshi	CH1		—	775.25	—	MHz
	CH2		—	759.25	—	MHz
	CH3		—	743.25	—	MHz
	CH4		—	727.25	—	MHz
	CH5		—	711.25	—	MHz
	CH6		—	695.25	—	MHz
	CH7		—	679.25	—	MHz
	CH8		—	663.25	—	MHz
mitar kwanciyar hankali	Fstb		-100		+100	ppm
video
Rashin shigar da bidiyo	Rvin			75Oh		Oh
Video shigar da matakin	ku zo	korau polarity,75Ohkaya	0.9	1	1.25	Vpp
Frequency martani	Fbdv	50Hz ~ 6 MHz	-5		+5	DB
SNR	S/N			38		DB

FAQ

Can you make this UHF wireless video transmitter with a 10-watt amplifier?

New Model

Frequency: 440~880Mhz optional, 20M step.
Channel: Channel 8
Power: 2W, 4W
Tushen wutan lantarki: 12V DC
yanzu: 2W@900mA, 1.2A@4W
Launch size: 66*45*15mm
Launch weight: 50g

Analogue Receiver Board