Description
The Alabama Educational Television Commission (AETC) is seeking a contractor to provide an FM+HD air-cooled transmitter system for their WLRH-FM radio station in Huntsville, Alabama. The system should include a main transmitter, an auxiliary transmitter, a transmitter-matching equipment rack, an RF switching system, and other necessary components. The contractor will be responsible for delivering, installing, and commissioning the system, including the installation of an HD Radio Importer/Exporter. The AETC will provide site access, electrical work, and other support as needed. The contractor must hold a current State of Alabama Contractor's License and provide a manufacturer's warranty for the system lasting 48 months.
Some key requirements for the transmitter system include:
• The main transmitter should be capable of FM+HD operation, with a minimum FM power output of 24,200 watts and an HD power output of 963 watts.
• The auxiliary transmitter should be capable of FM+HD operation, with a minimum FM power output of 12,000 watts and an HD power output of 478 watts.
• The transmitter should be U.S. F.C.C. type verified, Industry Canadian (IC) type approved, CE certified, RoHS certified, and IEC 60215 compliant.
• The transmitter should have a built-in harmonic filter and meet or exceed all U.S. FCC, Canadian, and CCIR requirements for suppression of harmonic and spurious signals.
• The exciter should be completely solid-state and broadband, requiring no output tuning or adjustment over its specified output carrier frequency range.
• The exciter should have two inputs that will accept AES3 standard AES/EBU digitized stereo at data rates of 32 to 96 kbps and should be self-clocking.