JPH0473882U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a block diagram of the pulse distortion meter of this invention, Fig. 2 is a timing chart of this invention, Fig. 3 is a relationship diagram between the control signal and difference signal of this invention, and Fig. 4 is a diagram of the conventional pulse distortion meter. FIG. 5 is a diagram showing the configuration of a pulse distortion meter, FIG. 5 is a conventional timing chart, and FIG. 6 is a diagram showing the relationship between a conventional control signal and a difference signal. In the figure, 1 is a synchronizing signal generation circuit, 2 is a differential amplifier circuit, 3 is a reference pulse generation circuit, 4 is a reference pulse control circuit, 5 is a switching circuit, 6 is a gain adjustment circuit, 7 is an instruction circuit, and 14 is a The phase difference detection circuit 15 is a phase correction circuit. In the drawings, the same or corresponding parts are designated by the same reference numerals.

Claims (1)

[Scope of utility model registration request] In a pulse distortion meter that compares and measures an input pulse and a reference pulse synchronized with this input pulse using a differential amplification circuit, the negative input terminal of the differential amplification circuit is switched to the ground side and the reference pulse side. a switching circuit, a gain adjustment circuit that adjusts the gain so that the indication of the indication circuit becomes a specified value, an indication circuit that instructs the distortion rate of the pulse by the output signal of the gain adjustment circuit, and a switch between the pulse and the reference pulse. A pulse distortion meter comprising: a phase difference detection circuit for detecting a phase difference; and a phase correction circuit for eliminating the phase difference using an output signal of the phase difference detection circuit.