摘要 |
A phase switching device using a novel four terminal semiconductor device having a generally V-shaped emitter grounded current amplification characteristic or factor. The device is biased to a low point on the characteristic curve and a rectangular switching signal is added to the bias to cause the operating point on the curve to shift about the low point. An input signal is then superimposed on the resulting rectangular switching signal, the input signal having a higher frequency than the switching signal and being phase shifted each time the switching signal reverses polarity. |