76.0MHz-108.0MHz FM Stereo Radio Module Receiver For Radio Enthusiasts DIY Use

Description

Description
*NEW ARRIVAL*
R030 76.0MHz-108.0MHz FM Stereo Radio Module FM Radio Receiver Board For Radio Enthusiasts DIY Uses
Parameters:
- Power supply: DC 3.0V to 12V
- Working current: 22mA
- Shutdown current: 30uA
- Receiving frequency range: 76.0MHz-108.0MHz
- Sensitivity: 1.3uV
- Volume: 9 levels. Level 0 for mute. Level 8 is the loudest
- Output: Can directly drive universal earplugs. It can also be used directly as a power amplifier signal input.
- Board size: 53mm/2.1" long and 31.7mm/1.2" wide
- Frequency and volume have power-off memory function.
- In the shutdown state, press any key to turn on, and long press the V- key to turn off.
Using Introduction:
1. Short press F+ button to search for a radio station upwards, and it will stop and play this station when it is found. Long press F+ key and hold it down, receiving frequency will increase in steps of 0.1MHz.
2. Short press F- button to search for a radio station downwards. After finding a station, it will stop and play this station. Long press F-key and hold it down, receiving frequency will decrease in steps of 0.1MHz.
3. Short press V+ button to increase volume by one level, the maximum level is Level 8. Long press V+ key to restore factory default parameters, frequency 99MHz, volume with 6 levels.
4. Short press V- button, volume will decrease by one level, the minimum level is 0, and the sound will be muted. Long press V- key to shut down.
5. After shutdown, press any key to boot.
6. Without button operation, backlight will turn out after 30 seconds, LCD display will turn off after three minutes, and peripheral circuits will enter sleep state one after another.
7. After the light is off, press any key to wake up the relevant circuit, and the light and screen will resume display. This key has no function, only with wake-up function. After the light is on, each key has a corresponding function.
8. Line O socket is an audio output with a standard 3.5mm specification, which can directly drive commonly used 32-ohm earplugs.
9. ANT socket is for antenna connection.
Package Included:
- 1 x FM Stereo Radio Module
FAQ:
1. Is it stereo?
Answer: Yes, it is two-channel stereo.
2. How about the separation? (Sound separation)
Stereo separation refers to the isolation between left and right channels in a stereo sound system. It actually reflects the degree of mutual crosstalk between the left and right channels. If the crosstalk between the two channels is large, the stereoscopic effect of the playback sound will be weakened. The stereo separation is usually expressed by the difference between the signal level in one channel and the level leaked to the other channel. If the separation is poor, the stereo perception will be weakened. The stereo separation of the FM stereo broadcast specified by the European Broadcasting Union is >25dB, and the local index is 35dB.
If you do not have a professional instrument to test, you can listen to the following song to test the effect. Song: Sound of Silence. Artist: Paul Simon and Garfunkel. This song is a chorus of two male voices, one for each channel.
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Shipping Terms
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Return Terms
1. If you receive defective item, please kindly notify us within 14 days. We will guide you the returning instruction for replacement or refund.
2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund, all return shipping fee should paid by the buyer unless item DOA.
3. We reserve the right to refuse any returns for objective reasons.
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On Nov-18-20 at 00:05:13 PST, seller added the following information: