Specifications

>DIY PCB kit, easy to assemble with low cost
>miniature fm transmitter
>High quality, good sound performance
>OEM frequency

FMUSER miniature fm transmitter,Your clear choice.

 

FMUSER FSN-350K 350W miniature fm transmitter Assemble PCB

 

DIY Kit Amp+Control+LCD Display

 

 

 

 

This is a kit and skilled assembly is required.

 

Description:
- The Kit includes an amplifier board, a control panel board, an interface board and connection cables.
- Power adjustable: 0-300 watts
- LCD displays working frequency, volume, temperature, forward power, reflected power and SWR, Single knob operation.
- Automatic power control maintaining the output at any preset level Provided with SWR protection function and temperature protection, raise alarm prompts once meet any trouble while working.

 

 

 

miniature fm transmitter

 

 

All Components in this Kit:
(1) Control panel board
- It includes FM modulation circuit, user interface circuit, RF drive circuit, fan control circuit, auto power control circuit.
- The RF output of this board is 1 watt.
(2) Amplifier board
- The amplifier circuit includes MRF173 power amplifier circuit, power and SWR measuring circuit, digital temperature detection circuit.
(3) Interface Board
- Dual stereo audio input interface.
- RS232 port (for Program debug, optional).
- AUX interface.
- Signal input level preset potentiometer.
(4) Connection cables
- Connect control board with amplifier board cable.
- Connect control board with interface board cable.
- RF cable: connect control board with the final stage amplifying board.
- Fool-proofing designed by color with IDC interface.

 

 

Technical Specification:

- Power supply voltage: DC 28V
- Power Output: 0- 350Watt adjustable (step 1W)
- Frequency range: 87.5-108 MHz
- Frequency Step: 0.1MHZ
- Operating Current: Less than 6A
- Input power: Less than 1 watt
- Harmonic suppression: -65 dBc
- Operating temperature: -10~50 celsius degrees
- Frequency stability: +/- 10 ppm (-10 to +60 celsius degrees )
- Frequency Response: 50 - 15000Hz
- SNR: More than 50dB
- Distortion: less than 0.5%
- Parasitic amplitude modulation: Less than 0.2%
- Frequency deviation: Less than +/-75KHz
- Modulation Mode: WFM
- Transmission Signal: FM Stereo or Mono
- Tuning Design: Stable PLL Technology
- Audio Input Level: -15db Max: -30db
- Stereo Separation: More than 40db
- Output Impedance: 50 ohm
- Amplifier PCB Size: 120mm(L) * 70MM(W) * 8MM(T)

 

 

Package Include:

1* 350w PCB DIY kit

 

 

 

 

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