100W HF +50MHz RF Power Amplifier, RD100HHF1 based 13.5v

$250.00

100W HF +50MHz RF Power Amplifier intended to work from very low power

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Description

This custom designed HF amplifier intended for QRP 🙂 operations or as driver for big gun PA. Amplifier is great for low power SDR, just 1 mW (0 dBm) input RF power for 100W output.  This amplifier produced from high quality ORIGINAL parts, such as pair RD15HVF1, pair RD100HHF1 Mitsubishi transistors, OPA2674 IC and AMIDON cores. PA PCB mounted on aluminium heatsink for good cooling.  PA has very flat frequency response from 1 MHz to 55 MHz

Nominal power supply is 13.5v
Nominal current is 17A
Maximum current is 20A
Idle current is 0.4A (per one RD100, adjustable)
Input frequency 1-55mHz
Input and output impedance is 50 Ohm
Nominal input power is 0dBm (1mW)
Maximum input power is 4dBm (2.5mW)
Nominal output power 50dBm (100W CW)
Maximum output power is 51dBm (125W CW)
Measured IMD3 performance is -32dB for nominal power
Board size is 176×110 mm
Heat sink size is 200x120x37 mm

Additional information

Weight 1.6 kg

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