50W broadband HF/6M RF power amplifier, 1.0-55 MHz


50W HF/6M broadband RF power amplifier

SKU: HF-PA-50W-NOLPF Categories: ,


This is custom designed HF +50MHz amplifier with NO LPF onboard, 4x RD16HHF1 based, intended for field or mobile operations or as driver for LDMOS amplifier. This amplifier produced from high quality ORIGINAL parts, such as Mitsubishi transistors and AMIDON cores. PA PCB mounted on metal heatsink for good heat dissipation.  PA has 3.5 dB flatness of frequency response.


Nominal power supply – 13.5v
Nominal current is – 7A
Maximum current is – 10A
Idle current is – 0.8A
Input frequency 1-55 MHz
Input and output impedance is 50 Ohm
Input SWR – better than 1.5 for all bands
Nominal input power is 10 dBm (10mW)
Maximum input power is 13 dBm (20mW)
Nominal output power 47dBm (50W CW)
Maximum output power is 48.5dBm (65W CW)
Measured IMD3 perfomance is -32dB for nominal power
External PTT signal – GND active
Board sizes – 120x75mm


Additional information

Weight 1.3 kg



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50W RF power amplifier schematic


50W RF power amplifier wiring