JPS60136542U

JPS60136542U - Sawtooth wave generation circuit

Info

Publication number: JPS60136542U
Application number: JP2332984U
Authority: JP
Inventors: 松沢　喜代三
Original assignee: 日本信号株式会社
Priority date: 1984-02-21
Filing date: 1984-02-21
Publication date: 1985-09-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、従来ののこぎり波発生回路の一例を示す回路
図である。第２図は、この考案に係るのこぎり波発生回
路の基本的構成を示すブロック図、第３図は具体例を示
す回路図、第４図１はスイッチング素子を接続しない場
合の第３図■点及び０点の波形を示すタイムチャート、
第４図２は、同じくスイッチング素子を接続した場合の
波形を示すタイムチャートである。第５図は、この　′
考案の回路を使用した踏切警報音発生器の一例の回路図
、第６図は第５図の回路の出力の波形を示すタイムチャ
ートである。１・・・矩形波発生回路、２・・・コンデンサ、３・・
・スイッチング素子。（１ノ。」−計一丁−ト− ５１０口■履・・／１乙／／FIG. 1 is a circuit diagram showing an example of a conventional sawtooth wave generating circuit. Fig. 2 is a block diagram showing the basic configuration of the sawtooth wave generation circuit according to this invention, Fig. 3 is a circuit diagram showing a specific example, and Fig. 4 1 is a diagram showing the case where no switching element is connected. and a time chart showing the waveform of the 0 point,
FIG. 4 2 is a time chart showing waveforms when similarly switching elements are connected. Figure 5 shows this ′
FIG. 6 is a circuit diagram of an example of a level crossing alarm sound generator using the circuit of the invention, and FIG. 6 is a time chart showing the waveform of the output of the circuit of FIG. 1... Square wave generation circuit, 2... Capacitor, 3...
・Switching element. (1 no.''-Total 1 shoe-To- 510 shoes.../1 Otsu//

Claims

[Scope of utility model registration request]

A sawtooth wave generation circuit comprising a frequency setting capacitor of a rectangular wave generation circuit connected to a switching element that is turned ON or OFF depending on the output conditions of the rectangular wave generation circuit to discharge the charge charged in the capacitor. .