FM ¶óµð¿À ¸ðµâ/LCD ¹öÀü
Product parameters:
Output power: 500mW (drive headphones)
Frequency response range: 50Hz-18KHz
Channel: Stereo
Receiving frequency adjustment range:
Turn off campus broadcast 87.0MHz-108.0MHz, turn on campus broadcast 76.0MHz-108.0MHz
1.PLL digital frequency lock, no frequency
2.30 level digital volume control
3.76.0-108.0MHZ full coverage
4. Wide voltage 3-5V power supply
5. Automatic search storage function
6. Power off memory volume / frequency
7. Mono / Stereo Control
8. Support serial command control
![](https://ae01.alicdn.com/kf/HTB1cxXYafBj_uVjSZFpq6A0SXXaF.jpg)
Symbol definition:
1 (L): left channel audio output
2(G): audio ground
3 (R): right channel audio output
4 (V+) : Short press volume + / long press continuous +
5 (V-): Short press volume - / long press continuous -
6(F+) : Short press a station / long press down to search for a station
7(F-) : Short press the previous station / long press to search for the station
8(P): Short press mute/long press full band search and save station
9 (DM): USB DM cable
10 (DP) : USB DP data cable
11 (TX): TTL serial port sender
12 (RX): TTL serial port receiver
13 (+5V): 5V power input (3-5V wide range)
14(G): power ground
15 (ANT): External FM radio antenna end
![](https://ae01.alicdn.com/kf/HTB12gILcRWD3KVjSZFsq6AqkpXaA.jpg)
![](https://ae01.alicdn.com/kf/HTB1iZwMcUGF3KVjSZFvq6z_nXXaF.jpg)
![](https://ae01.alicdn.com/kf/HTB1rJkKcMKG3KVjSZFLq6yMvXXa0.jpg)
FM radio module / button version
Product parameters:
Parameter Minimum Reference Value Maximum Unit
Working temperature -20 25 +70 °C
Storage temperature -30 25 +80 °C
Operating voltage 3.0 5.0 5.5 V
IO voltage -0.3 5.5 V
RF input voltage 0.3 V
Button arrangement diagram:
M radio module / double knob version
Product parameters:
Output power: 500mW (drive headphones), 3Wx2 (drive speakers)
Frequency response range: 50Hz-18KHz
Receiving frequency range:
Turn off campus broadcast 87.0MHz-108.0MHz,
Open campus broadcast 76.0MHz-108.0MHz
Equivalent noise: ¡Ã30dB
Supply voltage: 3.0V-5.0V
Supply current: 1000mA at maximum volume, 60mA at minimum volume (for reference only)
Channel: Stereo
![](https://ae01.alicdn.com/kf/HTB1gjk3cRCw3KVjSZFlq6AJkFXas.jpg)
![](https://ae01.alicdn.com/kf/HTB1kMkYcL1G3KVjSZFkq6yK4XXaT.jpg)
RDA5807M
Product Overview:
"RRD-102V2.0" stereo radio module (FM Stereo radio Module) high sensitivity, low power consumption, ultra- small size of the FM stereo radio module . Using RDA Microelectronics of RDA5807M ( or RDA5802NM), this circuit fewer external components , the noise factor is minimal. Small size, low power consumption , low cost, simple application , the use of a wide range of advantages. Is an easy -to-use and possessed highly cost-effective single -chip FM stereo radio module.
A: Move DVD, TV, MP3, MP4 and other built -in FM wide-band wireless receiver module.
B: mining, business , campus , residential, tourist areas and other public places, stereo FM radio system .
C: wireless audio and wireless stereo headset functionality.
D: GPS navigation, TV broadcasting systems and other wireless FM radio .
E: high-end game consoles and wireless audio electronic toys.
F: mobile phones , mobile phones, intercom systems, mobile radio devices and other stereo radio .
G: PDAS and Notebook PC and other peripheral applications .
Functional Characteristics:
A, using a common 102BC module package , users can directly replace the use , without changing the circuit design.
B, high sensitivity, low noise, anti-interference ability , very few external components , small size (11 * 11.2MM Max), extremely simple to use .
C, 76-108MHz FM band worldwide compatible ( 76-91MHz , including Japan , America and Europe 87.5-108.5MHz).
D, I2C serial data communications bus interface , support for external reference clock input.
E, COMS technology fully integrated single-chip integrated circuits , power consumption is minimal.
F, built-in high-precision A / D ( analog ) and digital frequency synthesizer.
G, built-in LDO regulator , low power, wide voltage range (2.7-3.6VDC).
H, built-in noise reduction, soft mute, bass boost circuit design.
I, 32¥Ø load high power audio output, headphone connections are direct , no external audio driver amplifier
J, the application is simple , low cost , cost-effective
![](https://ae01.alicdn.com/kf/HTB1RXLHbu3tHKVjSZSgq6x4QFXaC.jpg)