JPH01147420U

JPH01147420U -

Info

Publication number: JPH01147420U
Application number: JP2151389U
Authority: JP
Priority date: 1989-02-28
Filing date: 1989-02-28
Publication date: 1989-10-12

Description

[Brief explanation of the drawing]

第１図は小型電子装置の一例である電子時計の
構成を示すブロツク図、第２図は従来の電圧調整
システムのブロツク図、第３図は電圧制御回路を
有する電子時計のブロツク図、第４図は一般的な
ＣＭＯＳ−ＦＥＴからなるリング・オシレータの
回路図、第５図ａ，ｂは動的特性の電圧制御回路
の考え方を示す特性図、第６図は本考案による第
２の発振器のリングオシレータ回路図、第７図ａ
，ｂは本考案による単体ＦＥＴとリングオシレー
タの特性図、第８図ａ，ｂ，ｃは本考案によるリ
ング・オシレータの他の実施例を示す回路図であ
る。６１……抵抗、６２……インバータ回路、２０
……リング・オシレータ、２１……電圧制御回路
。 Fig. 1 is a block diagram showing the configuration of an electronic watch which is an example of a small electronic device, Fig. 2 is a block diagram of a conventional voltage regulation system, Fig. 3 is a block diagram of an electronic watch having a voltage control circuit, and Fig. 4 is a block diagram showing the configuration of an electronic watch which is an example of a small electronic device. The figure is a circuit diagram of a ring oscillator made of a general CMOS-FET, Figures 5a and b are characteristic diagrams showing the concept of a voltage control circuit with dynamic characteristics, and Figure 6 is a diagram of a second oscillator according to the present invention. Ring oscillator circuit diagram, Figure 7a
, b are characteristic diagrams of a single FET and a ring oscillator according to the present invention, and FIGS. 8a, b, and c are circuit diagrams showing other embodiments of the ring oscillator according to the present invention. 61...Resistor, 62...Inverter circuit, 20
...Ring oscillator, 21...Voltage control circuit.

Claims

[Claims for Utility Model Registration] (1) A first oscillator that is relatively unaffected by ambient temperature and an inverter circuit consisting of a MOSFET similar to the MOSFET constituting the clock circuit section are connected in a ring, and the output frequency thereof is Said MOSFET
measuring means for comparing and measuring the oscillation periods of the second oscillator, the first oscillator, and the second oscillator, which depend on the propagation delay time of the second oscillator; The second oscillator is equipped with a voltage control circuit that controls the power supply voltage applied to the second oscillator in response to the inverter circuit. An electronic clock characterized by being connected. (2) The electronic timepiece according to claim 1, wherein the resistive element is a MOSFET.