FPV Analog Video Transmitter CVBS audio video module sender 400-900MHz UHF vcan1904

FPV Analog Video Transmitter CVBS audio video module sender 400-900MHz UHF vcan1904

概述

This module belongs to UHF Radio communication equipment in the frequency band, which can transmit audio and video within a limited range. Designed for low power consumption, integrated VCO, PLL, and AM broadband video demodulation, The audio carrier frequency makes the module smaller; it adopts a small single-board package, which is convenient for users to miniaturize applications.

The application of this module only needs to simply connect the power supply, audio cable, and video cable, and connect the antenna to use a variety of electronic equipment terminals that support analog TV reception, including mobile phones, TVs, laptops, MP4, and digital photos.

功能

1. UHF AM broadband emission
2. 體積小: 17*16.5*4.5mm
3. Wide voltage operation: 3.3-4.2V
4. 低功耗。:3.3V 180mA
5. High output power:17Dbm
6. Built-in frequency phase-locked loop high stability
7. Direct modulation of audio and video signals
8. Eight channels can be called flexible
9. Chipset ASE373C

應用

1. 一個nalog tv handset
2. VCD/DVD/DVB 音頻/Video wireless transmission;
3. Baby monitoring;
4. Real-time on-site image monitoring;
5. Security transmission system;
6. PSP game turns the 電視
7. Wireless visual reversing

pin 定義

針	Pin Name	輸入/輸出	illustrate
1	VCC_IN	輸入	3.3V power input
2	吉安达	輸入	電源接地
3	VIDEO_IN	輸入	視頻輸入, the input impedance is 75 歐姆
4	AUDIO_in	輸入	音頻輸入
5	CH1	輸入	Channel selection input
6	CH2	輸入	Channel selection input
7	CH3	輸入	Channel selection input
8	on	輸入	天線

The long black cable is the transmitter antenna. 4 針, Red cable is power Input, Black cable is GND, Yellow cable is video input and White cable is audio input.

Application Circuit

Frequency selection table:

頻率	CH1 CH2 CH3 針	連接
775.25	0 0 0	CH1; CH2；CH3 吉安达
759.25	0 0 1	CH3 吉安达,CH1；CH2 null
743.25	0 1 0	CH2 吉安达,CH1；CH3 null
727.25	0 1 1	CH2；CH3 吉安达,CH1 null
711.25	1 0 0	CH1 吉安达,CH2；CH3 null
695.25	1 0 1	CH1；CH3 吉安达,CH2 null
679.25	1 1 0	CH1; CH2 吉安达,CH3 null
663.25	1 1 1	CH1; CH2；CH3 null

规范

絶對最大額定值 (Exceeding the maximum ratings may cause permanent damage to internal devices)
參數	symbol	working conditions	minimum value	typical value	maximum value	單位
supply voltage	VCC		-0.5		4.2	係
輸入電壓	我哋		-0.5		VCC+0.5	係
The output voltage	Vo	When the load condition is met	吉安达		VCC-0.5	係
存儲溫度	Tstg	Refers only to the module itself, without packaging	-20		60	°C
濕度			10%	50%	85%
Recommended working conditions (If the recommended working conditions are not met, the specified electrical performance indicators may not be achieved)
參數	symbol	working conditions	minimum value	typical value	maximum value	單位
supply voltage	VCC		3.3	3.3.	4.2	係
Power supply ripple voltage	Vlp			10	25	mVpp
輸入電壓	我哋		吉安达	–	VCC	係
工作溫度	Facing	Only refers to the module itself, excluding other parts	-20	27	60	°C
Electrical Characteristics (VCC=5.0V, Ta=25°C)
參數	symbol	working conditions	minimum value	typical value	maximum value	單位
supply current	Icc	Vcc=5.0V	160	180	200	馬
radio frequency
輸出功率	RFo	50Ω system	16	17	18	Dbm
輸出阻抗			—	50	—	Oh
Transmit channel frequency	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
frequency stability	Fstb		-100		+100	ppm
视频
Video input impedance	Rvin			75Ω		Oh
視頻輸入电平	come on	negative polarity,75Ωload	0.9	1	1.25	Vpp
頻率響應	Fbdv	50Hz ~ 6MHz	-5		+5	DB
信噪比	S/N			38		DB

常见问题解答

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

新嘅模型

頻率: 440~880Mhz optional, 20M step.
通道: 通道 8
功率: 2W, 4W
電源: 12V DC
當前: 2W@900mA, 1.2A@4W
Launch size: 66*45*15mm
Launch weight: 50g

Analogue Receiver Board