JPS5917646U - Monostable multivibrator - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

Figure 1 is a circuit diagram of a conventional monostable multivibrator, Figure 2 is a waveform diagram of each part of the circuit in Figure 1, Figure 3 is an implementation circuit diagram of a monostable multivibrator according to the present invention, and Figure 4 is a circuit diagram of a conventional monostable multivibrator. 3 is a waveform diagram of each part of the circuit, FIG. 5 is another embodiment of the present invention, and FIG. 6 is an explanatory diagram of the operation of the circuit of FIG. 5. The figure shows Tr1. Tr2 and Tr3 are first, second and third transistors, S is a switch for opening and closing the third transistor, and Rvl and Rv2 are variable resistors for adjusting a time constant.

Claims (1)

[Scope of utility model registration request] In a monostable multivibrator consisting of at least two transistors, a semiconductor switch that is opened and closed by the output of the transistor is provided between the output terminal and the input terminal of the subsequent transistor, and a semiconductor switch that is opened and closed by the output of the transistor is provided between the semiconductor switch and the ground. A monostable multivibrator characterized in that a switch means for controlling opening and closing is connected.