TEM A07EXXXX – 1 Unit Transmitters Page 22
7 GENERAL DESCRIPTION
7.1 Main features
A07E0XXX TEM Opera Plus Family is an excellent FM band broadcasting transmitter with modern conceiving and
technology, which by a simple design produces an output radio signal with high characteristics of quality,
reliability and security.
The simple manufacturing obtained with a high integration of functions, has allowed to create a machine with few
controls and connections.
One of the most important characteristics is done by the high quality of the frequency modulation and the high
signal-to-noise ratio; moreover, the modulation is typically constant within 0.2dB throughout the whole FM band
(88–108MHz ).
The transmitter can be set like a modern signals generator so the output power is completely managed by a
Microcontroller device which guarantees that the values of forward power, reflected power, maximum output
power versus the temperature and loading conditions. All parameters (frequency, levels, mono/stereo, pre-
emphasis, power) can be set by the keyboard and stored in E
2
PROM in order to be kept even without electric
supply. A great number of events and alarms can be stored. Each alarm is distinguished by a starting and an
ending alarm date.
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