Each Schmitt trigger inverter is driven during one half-cycle through a diode. The RC delay occurs during the alternate half-cycle. Equal-value resistors R₁ and R₂ serve alternatively as delay elements and gate-coupling resistors

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Other Materials from the Main Document

• Article «Circuit precludes common-mode conduction»
• Figure 1. Each Schmitt trigger inverter is driven during one half-cycle through a diode. The RC delay occurs during the alternate half-cycle. Equal-value resistors R₁ and R₂ serve alternatively as delay elements and gate-coupling resistors
• Figure 2. For the two out-of-phase half-cycles, leading edges are delayed equally with respect to the input transition, and trailing edges are coincident with the transition within about one gate delay