2011
DOI: 10.1002/tee.20656
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Four‐segment oscillator circuit for piezoelectric sensing devices

Abstract: Novel circuit design is proposed for a low‐frequency quartz crystal oscillator circuit that consists of four segments. The characteristics of the negative resistance in a low‐frequency Complementary Metal Oxide Semiconductor (CMOS)‐inverter quartz oscillator were reviewed for the two modes of SC (stress‐compensated) cut mode and the overtone of low‐frequency mode; separation of two modes and suppression of overtone oscillation were demonstrated successfully. Experimental results and an estimate of the absolute… Show more

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Cited by 3 publications
(3 citation statements)
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“…In this case, the stabilization is realized by the gain suppression. The gain is controlled by R 3 and R 4 in the power line through the negative feedback [5]. These resistors suppress the drive current and realize the stabilization of gain.…”
Section: Analysis Of Quartz Crystal Oscillatorsmentioning
confidence: 99%
“…In this case, the stabilization is realized by the gain suppression. The gain is controlled by R 3 and R 4 in the power line through the negative feedback [5]. These resistors suppress the drive current and realize the stabilization of gain.…”
Section: Analysis Of Quartz Crystal Oscillatorsmentioning
confidence: 99%
“…1. CMOS-inverter oscillator circuit: (a) new oscillator circuit with grounded terminal [8][9][10][11][12][13], (b) the Colpitts oscillator [4][5][6][7] OCXO, the high stability of the oscillation frequency needs the suppression of the excitation level. Simpler method, such as the limiter system is also known.…”
Section: Cmos-inverter Quartz Oscillator Circuitmentioning
confidence: 99%
“…In these applications, the oscillator is realized by the elaborated circuits designed with bipolar transistors. Simple is the best: in this work, new oscillator circuit is realized using a single gate CMOS inverter and simpler limiter circuit [8][9][10][11][12][13]. Figure 2 shows a simplified equivalent circuit of the quartz crystal oscillator with grounded terminal, shown in Fig.…”
Section: Cmos-inverter Quartz Oscillator Circuitmentioning
confidence: 99%