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FMT series 0-600W FM Transmitter exciter PCB KIT

$880.00
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Note
The item you receive is an updated version and may have minor visual or component differences from the images shown due to ongoing product improvements. This is a technical assembly kit requiring skilled assembly and experience.
Latest Revision updated DB9 ports on the Amplifier board and connection cables.

Features

  • Adjustable Output Power: 0–600 Watts, 1W steps.
  • LCD Display: Shows working frequency, forward power, reflected power, and VU meter.
  • Single-Knob Operation: Simplified control interface.
  • Automatic Power Control (APC): Maintains the set output level.
  • Selectable Pre-emphasis: Optional 0, 50µs, or 75µs settings.
  • Protection Functions: Includes SWR protection and temperature protection, with alarm prompts.

Components

  1. Control Panel Board
    Contains the FM modulation circuit, user interface, RF drive circuit (1W output), fan control circuit, and auto power control circuit.
  2. Amplifier Board
    Includes power and SWR measuring circuits and a digital temperature detection circuit.
  3. Interface Board
    • Stereo audio input interfaces.
    • RS232 port (for program debug, optional).
    • AUX interface.
    • Signal input level preset potentiometer.
  4. Connection Cables
    • Cable to connect control board with amplifier board.
    • Cable to connect control board with interface board.
    • RF cable to connect control board with the amplifier board.

Technical Specifications

Electrical & Power

  • Power Supply Voltage: DC 48V
  • Power Output: 0 to 600W adjustable (step 1W)
  • Operating Current: Less than 17A
  • Input Power: Less than 1 watt
  • Output Impedance: 50 ohm

RF & Frequency

  • Frequency Range: 87.5–108 MHz
  • Frequency Step: 0.1 MHz
  • Frequency Stability: ±10 ppm (-10°C to +60°C)
  • Harmonic Suppression: -65 dBc

Audio & Modulation

  • Modulation Mode: WFM (Wideband FM)
  • Transmission Signal: FM Stereo or Mono
  • Audio Input Level: -15dB Max; -30dB nominal
  • Frequency Response: 50 – 15000 Hz
  • Stereo Separation: More than 40dB
  • Distortion: Less than 0.5%
  • Parasitic Amplitude Modulation: Less than 0.2%
  • Frequency Deviation: Less than ±75KHz
  • Signal-to-Noise Ratio (SNR): More than 50dB
  • Tuning Design: Stable PLL Technology

Package Includes

  • Amplifier board × 1
  • Control panel board × 1
  • Interface board × 1
  • Connection cables × 3