H03K4/39 - CPC Classification

Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier

• H03K4/41 » with negative feedback through a capacitor, e.g. Miller-integrator 0
• H03K4/43 » combined with means for generating the driving pulses 0