RF AMPLIFIER BOARD HF +50MHz 300W for MRF151G or BLF278 For Sale - New and Used
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RF AMPLIFIER BOARD HF +50MHz 300W for MRF151G or BLF278:
HF Linear Power Amplifier
Pallet 300 Watt P.E.P
Designed for HF - VHF
Broadcast and Ham radio Bands this Linear
transmission line transformers technology
and MOS-FET device to enhance
ruggedness and reliability.
PHV305 is an RF Power Amplifier designed for the HF
Broadcast or Ham Radio
Bands transmitters or power amplifiers.
PHV305's output power is 300 Watt P.E.P. minimum at 50
Ohm load in the range
of 1.5 - 23.9 MHz and 250 Watt P.E.P. in the range of
35.1 - 54.0 MHz.
This PA amplifies the input RF signal typically by 18dB,
note that there is on board
a 3db attenuator that can be removed in order to
increased the gain by 3db
it operates at 50V / 13A max. The operating class is AB
and the quiet current is
1.0A. The Amplifier consists of one Push-Pull amplifying
stage with active
component a MOSFET BLF278 or MRF151G or
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1.5 - 23.9 + 35.1 - 54.0
Input / Output : 50
Push - Pull Class
Efficiency : 55%
Devices: BLF278 or
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