Pulse output circuit

Abstract

Abstract PURPOSE:To improve the rising characteristic of an output pulse by amplifying reversely a high-pass component at the rear edge part of an input pulse and adding a circuit to supply it to the base of a terminal transistor to correspond to a high speed pulse. CONSTITUTION:For the differentiation of an input signal, a capacitor C3 and a resistor R4, and a transistor (TR) Q4 and a diode D3 are added to a device. An input signal 1 is inverted at a TR Q1, driving TRs Q2 and Q3. Also, the high-pass component at thr trailing edge of the input signal is introduced to the TR Q4 through the capacitor C3 and raises steeply the base potential of the TR Q2, supplying a sufficient driving current on it. Therefore, the output pulse, in which a time delay is not generated, can be raised steeply.

Inventors

• 👤 Masaharu Ito
• 👤 正晴 伊藤

Bibliographic Details