Amplifiers - HF
An HF amplifier used in amateur radio is an electronic device that boosts the power of high-frequency (HF) signals transmitted by amateur radio operators. It operates by taking a low-power input signal and amplifying it to a higher power level, typically measured in watts. HF amplifiers employ various circuit designs, such as solid-state (using transistors) or tube-based (using vacuum tubes), to amplify the signal and enhance its strength, enabling improved long-distance communication capabilities.
Marconi BH-30 Auto-Tune Linear Amplifier pair 3-500Z
Collins 30s-1 Amplifier
Marconi 1 k.w. h.f. amplifier + exiter
Heathkit SB-200 Power Amplifier
Homebuilt Replica of the Drake L-4B Linear Amplifier