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Partname: | RA45H4452M_06 |
Description: | RoHS Compliance , 440-520MHz 45W 12.5V, 3 Stage Amp. For MOBILE RADIO |
Manufacturer: | Mitsubishi Electric Corp. |
Datasheet: | PDF (246K). Click here to download *) |
The battery can be connected directly to the drain of the enhancement-mode MOSFET transistors. Without the gate voltage (VGG=0V), only a small leakage current flows into the drain and the RF input signal attenuates up to 60 dB. The output power and drain current increase as the gate voltage increases. With a gate voltage around 4V (minimum), output power and drain current increases substantially. The nominal output power becomes available at 4.5V (typical) and 5V (maximum). At VGG=5V, the typical gate current is 1 mA. This module is designed for non-linear FM modulation, but may also be used for linear modulation by setting the drain quiescent current with the gate voltage and controlling the output power with the input power. |
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