FM radio stereo digitalni prijemnik 76-108MHz

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Modul je izrađen u A najkvalitetnijoj klasi PLL digitalni bežični mikrofon - stereo audio FM radio prijemnik visoke SMD tehnologije (nije poput onih gluposti od radija sa displejem koje se nude u jeftinoj varijanti).  

Uređaj je napravljen u A klasi. Malih dimenzija i ujedno najsavremeniji prijemnik u njegovoj klasi. PLL digitalna frekvencija zaključavanja (visoka stabilnost-ne beži sa kanala) 

Opis 1: Upotreba naprednih digitalni audio čipova za obradu signala (DSP) i FM modulacija phase-locked loop (PLL) da bi zvuk bio realniji, stabilniji u emitovanju.  
2: LCD ekran je jako intuitivan i precizan, sa veoma malom snagom potrošnje i minimalnom interferencijom buke.  
3: Puna digitalna kontrola, više odgovara operacija istovremeno čineći proizvod više stabilan i trajan.  
4: 5V MIKRO USB punjenje više odgovara, kompatibilan sa većinom punjač mobilnih telefona.  

Parametri proizvoda: Napajanje: 3-5V DC (ili direktno sa punjive baterije / USB takođe može da napaja) 

Snaga u izlazu: 500mW (sa slušalicama) ili 3Wx2 (zvučnici)
Učestalost: 50Hz-18KHz

Radio frekvencija prijema:   87.0MHz-108.0MHz,
Može se podesiti i niži opseg od 76.0MHz-108.0MHz
Ekvivalent šuma: ≥30dB
Napajanje jednosmerna struja: 3.0V-5.0V
Maximum izlaz jačine zvuka (volume) 1000mA, minimum  60mA
Kanal: Stereo

Dodatno obaveštenje:

Antenna - za bolji prijem signala neophodnaje fm antena ili bakarna žica u dužini od 75cm

Stereo izlaz dolazi u kombinaciji za slušalice ili 2 zvučnika od 3W 4 oma impendanse (nisu uključeni u slanje. )

Ostale napredne opcije:
<6> Mute
Press VOL knob down mute / un-mute
<7> Auto mute switch
Press down FRE knob turned on or off automatic mute function, LCD display captions ON Enables automatic squelch, OFF means turn off the automatic squelch.
<8> Automatic squelch threshold (Threshold) Adjustment (automatic mute switch opens effective)
Press FRE knob down, into the automatic squelch threshold adjustment interface, the user can use specific actions to adjust the automatic squelch threshold, adjustment range is 0-20, the higher the value, the more limited the door, the more likely weak signal Mute. On the contrary the opposite.
<9> : access the serial port (not serial control without contact)
TTL level serial port module reserve control interface, TTL serial communication module of the need to connect UART_RX, UART_TX and GND Module (PCB corresponding to the location, there is marked), you can use an external MCU (microcontroller) or PC serial port to send commands associated control module Features. Note: Due to computer serial port level is not a TTL level, when connected to a computer connected to RS323 communication required to TTL level electrical switching device paperback or use USB to TTL level serial port module to communicate with the module. Because serial command control module requires some computer expertise, but not buyers please do not try.
<10> : User Set
This module can be set whether the backlight state to listen to campus radio band, set as follows according to the user's application. Power-off state long press the VOL knob down electrical power LCD display showing open campus radio C0 C1 represents closed campus radio band, set to take effect after the restart. By setting the backlight state is off state press FRE knob key to turn the display backlight Always indicate B1, B0 denotes a backlight turned off 20 seconds after the restart to take effect. Repeat this step to change the setting to switch the state. The factory is set to not open unified campus radio band, backlight turns off 20 seconds without operation.

Note: The factory default setting is Off campus radio, the backlight automatically turns off no operating 20S, Off Auto Squelch. Users set their own depending on the circumstances.

This module squelch adjustment method:
This module uses DSP digital squelch, the flexibility to use software to control the squelch threshold (threshold). When squelch threshold is 0-20 levels, the lower the number the lower the squelch threshold, the more likely to listen to the radio signal with the background noise, the higher the number, the higher the noise threshold, the output noise is higher than the set value, the automatic static Noise open, so that the output is muted. So when adjusting the squelch threshold, according to the case, if you want to hear the weak signal squelch threshold go down, if you want to hear a strong signal, number to increase. Note that the mute function is not the signal to remove background noise, but the noise level is determined by the signal exceeds the threshold value to control the output muted.

Svako ko želi da primi zvuk putem radio talasa, kada uzme uvaj uređaj u ruke shvatiće da njegove male dimenzije prevazilaze sva očekivanja stare tehnologije sa cevima i glomaznim tranzistorima.

Pogledajte i ostale moje oglase na KP, možda među njima nađete nešto Vama potrebno.

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