CIRCUIT ARRANGEMENT AND OSCILLATOR

• Main Authors: CHOKAI YUICHI, KIYA HIROSHI, HIGUCHI TEPPEI, UEHARA JUN
• Format: Patent
• Language: English; Japanese
• Published: 26.01.2023
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; GENERATION OF NOISE BY SUCH CIRCUITS; GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER

To provide a circuit arrangement that can output a signal according to the CI value of an oscillator from a terminal not connected with an electrode of the oscillator.SOLUTION: A circuit arrangement comprises: a first terminal; a first oscillation circuit that oscillates an oscillator and generates first voltage for auto gain control for controlling the amplitude of a signal output from the oscillator; a digital signal generation circuit that generates a digital signal corresponding to the first voltage; and a first interface circuit that outputs the digital signal to the first terminal.SELECTED DRAWING: Figure 5 【課題】振動子の電極と接続されない端子から振動子のＣＩ値に応じた信号を出力可能な回路装置を提供すること。【解決手段】第１端子と、振動子を発振させるとともに、前記振動子から出力される信号の振幅を制御するオートゲインコントロール用の第１電圧を生成する第１発振回路と、前記第１電圧に対応するデジタル信号を生成するデジタル信号生成回路と、前記デジタル信号を前記第１端子に出力する第１インターフェース回路と、を備える、回路装置。【選択図】図５