FM TRANSMITTER
TR EM 1000 HE DIG PLUS COMPACT
Technical Manual 1v2 November 2019 70
3.7 COMPADA BOARD
This board has the following functions:
x Connects the +/-12V power supply to modulator.
x Controls power supply level voltage of the RF power stage.
x It helps to improve the device’s efficiency in the whole working power range, reducing
the supply voltage at the same time the output power reduces.
x This function can be set according to the type of power supply in use, according to the
transmitter.
x It controls the speed fans in FM amplifiers in relation to their own temperature. By
this, the device consumes less in airing and the acoustic noise decreases, improving
the efficiency.
Figure: COMPADA board
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