30 WATT FM TRANSMITTER SYSTEM
PROFESSIONAL LOW COST RANGE



Our 30W PLL Transmitter system comprises of a 1W driver and a 30W power amplifier. This neat combination is suitable for professional fm broadcasting and complies with European standards ETS 300384, EMC EN 301 489-11 and Safety LVD 2006/95/ and also ITU-R BS.450-3 (11/01) FM Broadcasting at VHF. The transmission range of this transmitter used with an high gain antenna can be typically 12 miles.

It is available as an MPX Version or an FM Stereo with Limiters Version. In addition to this you can also use it with 13.8V DC (4.5 amps or more) or 90 to 260V AC, it will work on any of these power supplies. The Stereo Version gives access to the MPX signal allowing any external RDS units to be interfaced easily. The MPX version requires the use of suitable external audio limiting equipment to comply with European standards ETS 300384 and ITU-R BS.450-3 (11/01) FM Broadcasting at VHF. The enclosures are one hundred percent aluminium, no plastic and will operate in extreme environments, typically up to 50 deg C and remain at full power and within the specifications we advertise.

Any frequency between 87.5 to 108 MHz can be accurately programmed on the dip switches located on the underside of the 1W driver unit and locked up to meet the broadcast spec in less than 5 minutes. By adjusting a small pre-set control inside the power amplifier unit the RF power output level can be set anywhere from 1W to 12W. Jumpers also located on the underside panels allow the audio pre-emphasis to be easily selected to the correct time constant of 50uS, 75uS (USA) or none.


Stereo Version with Limiters - Most small radio stations will use this version, this is because it includes audio processing circuitry and suitable limiting to keep the transmitter in compliance with the maximum bandwidth permitted by the international regulations. Novice stations with limited experience of FM broadcasting transmitters should purchase this version.

MPX version - Stations with more engineering experience may use this version, this is because it does not include limiting or stereo coder circuitry. The audio limiting for this version must be externally provided and in accordance with the recommendations of http://www.aareff.com/ETR132.pdf. This version is typically used with external multi band processors and stereo generators such as the brands Orban or Inovonics.

Our package 60W ERP System includes this transmitter with our stacked dipole antenna and very low loss LMR400 cable to give you a full system that will comply with the regulations of the European Union and most other countries in the world.

This FM transmitter along with all our other products comes with a two year warranty and our reputation of high reliability. On delivery the equipment is ready to plug in and use with any suitable 50 ohm antenna system such as our Vertical 5/8 Wave, Single Dipole or Stacked Dipole.
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