JPH0250722U

JPH0250722U -

Info

Publication number: JPH0250722U
Application number: JP12687988U
Authority: JP
Priority date: 1988-09-28
Filing date: 1988-09-28
Publication date: 1990-04-10

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の構成図、第２図は
従来の微小電流発生装置の構成図である。１……基準電圧発生部、１ａ……電源端子、２
……共通電位部、３，４，５……高抵抗器、６，
７，８……回路開閉器、６ａ，７ａ，８ａ……駆
動信号、９，１０，１１……直列回路、１２……
出力端子、１２ａ……第１端子、１２ｂ……第２
端子、１３，１９……直列回路選択部、１４，２
０……微小電流発生回路、１５……負荷、１６，
１７，１８……回路切換器、Ｅ……基準電圧、Ｉ
，Ｉ_１……微小電流。 FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional microcurrent generator. 1...Reference voltage generation section, 1a...Power terminal, 2
... Common potential section, 3, 4, 5 ... High resistor, 6,
7, 8...Circuit switch, 6a, 7a, 8a...Drive signal, 9, 10, 11...Series circuit, 12...
Output terminal, 12a...first terminal, 12b...second
Terminal, 13, 19...Series circuit selection section, 14, 2
0...Minimum current generation circuit, 15...Load, 16,
17, 18...Circuit switch, E...Reference voltage, I
, I ₁ ... minute current.

Claims

[Scope of utility model registration request]

A plurality of series circuits each consisting of a high resistor and a circuit breaker that closes between the input and output terminals when a drive signal is input, and opens between the input and output terminals when the drive signal is not input; It has an output terminal, each end of which is composed of a first terminal connected in common and a second terminal connected to a common potential part, and a power supply terminal, and generates a reference voltage and connects the reference voltage to the power supply terminal. A reference voltage generating section is provided for each of the series circuits, and when the drive signal is input, the other end of the series circuit is connected to the power supply terminal, and the drive signal is a circuit switch that connects the other end of the series circuit to the common potential section if no input is received, and each of the circuit switch and circuit switch that selects the series circuit one by one and is connected to the selected series circuit. and a series circuit selection section that outputs the drive signal to the reference voltage generation section, and a minute current corresponding to the series circuit selected by the series circuit selection section is passed through the selected series circuit to the reference voltage generation section. 1. A microcurrent generator characterized in that the microcurrent generator outputs an output from the output terminal to a load connected to the output terminal.