• USD: 1.115,50$

The FMTX1 is a fully integrated 1.5 W stereo FM transmitter system with full DSP audio processing, digital stereo encoder and 16 times oversampling RDS generator in a single, very compact product. The result is a truly world-class transmission system for cost-conscious radio broadcasters who demand uncompromising performance.

The DSP audio processor provides intelligent automatic gain control, a multi-band compressor/limiter, plus distortion-controlled clipping and filtering. Slow gain riding optimises audio level variations over the long term, but avoids undesirable changes during silence. The multi-band limiter perfectly controls the sonic signature of all types of programme material, making any format – from talk shows to hit music formats – as loud and clear as broadcasters using the most expensive processors. A 15kHz digital FIR filter protects the integrity of the subcarrier, without compromising passband audio quality.

The FMTX1‘s unique ability to transparently adapt to all types of audio source material means an end to the costly frills often associated with audio processors, and makes time-consuming user configuration a thing of the past. The latest DSP algorithms have been created in our laboratory using specialised modulation power analysis, by broadcast engineers with over 20 years experience in FM processing. The end result is a plug and go FM transmission solution with deep bass, crisp treble and powerful clarity that will stand out on every listener’s tuning dial and expand the usable coverage area.

The FMTX1 also features a 16 times oversampling, all-digital stereo encoder section for perfect audio separation and detail. In addition, the RDS encoder uses direct digital waveform synthesis for clean and perfect generation of the 57kHz subcarrier. In addition to PS (station name) information, extended functions such as RadioTEXT, alternate frequency and traffic announcement content are also broadcast. Being stand-alone, the integrated RDS generator does not require a dedicated computer or data feed. If desired, the user can change the content at any time, using a programming device and a laptop or Windows(TM) PC connected to a port on the rear panel. The FMTX1 is a high quality PLL modulator, and the RF power amplifier uses the latest high gain enhancement mode MOSFET device, achieving new levels of efficiency and reliability. TTL remote monitoring and switching allows the FMTX1 to be easily integrated into automated back-up applications. An audio mute alarm and RDS TA remote control are also provided.

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