We had a linear amplifier requirement to deliver +30 dBm (1 watt) peak power to a 50 ohm load over a frequency range of 10 kHz to 40 MHz. The approach was to make a push-pull, class-A, transformer ...
Ever since the French pioneer, Lucien Gaulard, built the first power transformer, the voltage and power levels of AC transformation have progressed. The underlying physical principles, however, remain ...
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