Vacuum tubes can yield impressive amounts of microwave power in small packages, but they must be properly cooled for long-lifetime operation. On that front, the model dB-4150 microwave power module (MPM) developed by dB Control combines a first-stage solid-state amplifier and second-stage traveling-wave-tube (TWT) power booster with effective conductive cooling.

dB Control’s Mike Lee Looks into the Future of TWTs and TWTAs
dB Control’s Mike Lee Looks into the Future of TWTs and TWTAs a Q&A with Mike Lee, Vice President, Sales and Marketing, dB Control (This article