Product Summary

The RA30H1721M is a 30-watt RF MOSFET AmplifierModule for 12.5-volt mobile radios that operate in the 175-to 215-MHz range.The battery can be connected directly to the drain of theenhancement-mode MOSFET transistors. Without the gatevoltage (VGG=0V), only a small leakage current flows into thedrain 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 anddrain current increases substantially. The nominal output powerbecomes available at 4V (typical) and 5V (maximum). At VGG=5V,the typical gate current is 1 mA. The RA30H1721M is designed for non-linear FM modulation, but may also be used for linear modulation by setting the drain quiescentcurrent with the gate voltage and controlling the output powerwith the input power.

Parametrics

RA30H1721M absolute maximum ratings: (1)Drain Voltage: 17V; (2)Gate Voltage: 6V; (3)Input Power: 100mW; (4)Output Power: 45W; (5)Operation Case Temperature Range: -30 to +110℃; (6)Storage Temperature Range: -40 to +110℃.

Features

RA30H1721M features: (1)Enhancement-Mode MOSFET Transistors; (2)Broadband Frequency Range: 175-215MHz; (3)Module Size: 66 x 21 x 9.88 mm; (4)Linear operation is possible by setting the quiescent draincurrent with the gate voltage and controlling the output powerwith the input power.

Diagrams

RA30H1721M BLOCK DIAGRAM

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RA30H1721M
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