SA6719 2.4g无线影音接收模块
产品简介
可配增益天线
应用与无线监控，影音传送器等。
详细信息
1 General
1.1 Receiving frequency range Ch1 : 2.414/2.490GHz
Ch2 : 2.432/2.510GHz
Ch3 : 2.450/2.390GHz
Ch4 : 2.468/2.370GHz
1.2 Frequency band 2.400 ~ 2.4835GHz
1.3 LO Frequency range
Ch1 : 1.934/2.010GHz
Ch2 : 1.952/2.030GHz
Ch3 : 1.9701.910GHz
Ch4 : 1.988/1.890GHz
1.4 Nominal input impedance 50Ω
1.5 Intermediate frequency 480MHz
1.6 Channel selection system PLL synthesizer
1.7 Preseted for various application slide mode
1.8 Nominal output impedance 75Ω
1.9 Demodulation system Wide band PLL FM
2 Mechanical Specification
Please refer to Figure 2.
3 Environmental Specification
3.1 Operating Temperature 0℃ ~ +50℃
3.2 Storing Temperature -10℃ ~ +80℃
4 Testing Condition
4.1 Supply Voltage 5V±0.25V
4.2 Ambient Temperature 25℃
5 Electrical specification
| No. | Item | specifications | Unit | Test Condition | ||
| MIN | TYP. | MAX | | |||
| 1 | Supply Voltage | 4.75 | 5V | 5.25 | VDc | |
| 2 | Current Consumption | | 150 | | | |
| 3 | Input Level | -85 | | 0 | dbm | |
| 4 | Sensitivity | | -85 | | dbm | |
| 5 | Video Frequency Response | | ±1.5 | | db | |
| 6 | LO precision | | ±200 | | KHz | |
| 7 | LO precision stabilization | | ±100 | | KHz | |
| 8 | Audio Output | 1.8 | 2 | 2.5 | VP-p | Tx audio peak deviation 12KHz |
| 9 | Video Output | 0.8 | 1 | 1.2 | VP-p | Modulation Freq.1MHz 75Ω load |
6 Pin Assignment
| Pin No. | Slide Mode |
| 1 | GND |
| 2 | Video output |
| 3 | Audio output（6.5MHz Demodulation） |
| 4 | Audio output（6.0MHz Demodulation） |
| 5 | VCC（+5V） |
| 6 | GND |
| 7 | Channel selection 0/CLK（SPI） |
| 8 | Channel selection 1/LE（SPI） |
| 9 | Channel selection 2/DATA（SPI） |
| 10 | BX（Connect GND for 2.4GHz band） |
Remark:
Group1,the pin 10（BX） tie to GND:
| Transmission frequency | Contents |
| 2490MHZ（CH1） | Pin 7 tie to GND,Pin8 and Pin9 open |
| 2510MHZ（CH2） | Pin 8 tie to GND,Pin7 and Pin9 open |
| 2390MHZ（CH3） | Pin 9 tie to GND,Pin7 and Pin8 open |
| 2370MHZ（CH4） | Keep Pin7,Pin8 and Pin9 open |
Group2, keep the pin 10（BX） open:
| Transmission frequency | Contents |
| 2414MHZ（CH1） | Pin 7 tie to GND,Pin8 and Pin9 open |
| 2432MHZ（CH2） | Pin 8 tie to GND,Pin7 and Pin9 open |
| 2450MHZ（CH3） | Pin 9 tie to GND,Pin7 and Pin8 open |
| 2468MHZ（CH4） | Keep Pin7,Pin8 and Pin9 open |
7 receiver slide switch mode application circuit
The operation frequency is selection by switch"S1" shown the following table.
8 PCB Dimension
PCB Size: L×W: 42.418mm × 29.464mm
Top Layer
