Abstract: An electronic device includes a drive section, a detection signal output section adapted to generate a first analog signal having a value varying in accordance with a physical quantity, and a control section adapted to generate a second analog signal controlled based on the first analog signal, and adapted to control a drive state of the drive section, at least the detection signal output section and the control section are provided to a substrate, and a first digital signal obtained by digitalizing the first analog signal and a second digital signal obtained by digitalizing the second analog signal can be output from the substrate.

Abstract: An electronic device includes a drive section, a detection signal output section adapted to generate a first analog signal having a value varying in accordance with a physical quantity, and a control section adapted to generate a second analog signal controlled based on the first analog signal, and adapted to control a drive state of the drive section, at least the detection signal output section and the control section are provided to a substrate, and a first digital signal obtained by digitalizing the first analog signal and a second digital signal obtained by digitalizing the second analog signal can be output from the substrate.

Abstract: A piezoelectric oscillator includes: a piezoelectric resonator; a storage unit that stores temperature compensation data used for specifying frequency-temperature characteristics of the piezoelectric resonator therein; a temperature compensation circuit; a voltage-controlled oscillation circuit that oscillates the piezoelectric resonator and controls an oscillation frequency of the piezoelectric resonator based on an oscillation control voltage; and a power source control unit that controls so as to supply a power source voltage to the temperature compensation circuit or so as not to supply the power source voltage to at least a part of the temperature compensation circuit based on a control signal transmitted from the outside, wherein the temperature compensation voltage is supplied as the oscillation control voltage to the voltage-controlled oscillation circuit in synchronization with a period during which the power source voltage is supplied to the temperature compensation circuit.

Abstract: A temperature-compensated oscillator includes a temperature sensor, a temperature compensation circuit, a voltage-controlled oscillation circuit adapted to output an oscillation signal on which temperature compensation is performed based on the temperature compensation voltage, an output circuit adapted to output an ON/OFF signal based on a relationship between variation of the detected-temperature voltage output by the temperature sensor and a reference voltage, a switch circuit adapted to supply the temperature compensation circuit with electrical power in response to the ON/OFF signal, and a sample-and-hold circuit adapted to be switched between a state of outputting the temperature compensation voltage to the voltage-controlled oscillation circuit while holding the temperature compensation voltage output by the temperature compensation circuit, and a state of outputting the temperature compensation voltage held to the voltage-controlled oscillation circuit while cutting the connection to the temperature c

Abstract: A temperature-compensated oscillator includes a temperature compensation circuit adapted to output a temperature compensation voltage, a voltage-controlled oscillation circuit on which temperature compensation is performed based on the temperature compensation voltage, a switch circuit adapted to perform ON/OFF control on power supply to the temperature compensation circuit, and a sample-and-hold circuit adapted to perform switching control between an ON state of outputting the temperature compensation voltage to the voltage-controlled oscillation circuit while being connected to the temperature compensation circuit and holding the temperature compensation voltage output from the temperature compensation circuit when the power is supplied to the temperature compensation circuit, and an OFF state of outputting the temperature compensation voltage held to the voltage-controlled oscillation circuit while cutting connection to the temperature compensation circuit when the power supply to the temperature compensat

Abstract: A temperature information generation circuit includes a temperature sensor (a first temperature detection section), a high-sensitivity temperature sensor (one or plural second temperature detection sections) having higher sensitivity than that of the temperature sensor, an output selection circuit, and a control section. The output selection circuit and the control section select a detection signal of the high-sensitivity temperature sensor upon supply of a power supply voltage, and then perform switching so as to select a detection signal of the temperature sensor at a predetermined timing.

Abstract: A temperature-compensated oscillator includes a temperature sensor, a temperature compensation circuit, a voltage-controlled oscillation circuit adapted to output an oscillation signal on which temperature compensation is performed based on the temperature compensation voltage, an output circuit adapted to output an ON/OFF signal based on a relationship between variation of the detected-temperature voltage output by the temperature sensor and a reference voltage, a switch circuit adapted to supply the temperature compensation circuit with electrical power in response to the ON/OFF signal, and a sample-and-hold circuit adapted to be switched between a state of outputting the temperature compensation voltage to the voltage-controlled oscillation circuit while holding the temperature compensation voltage output by the temperature compensation circuit, and a state of outputting the temperature compensation voltage held to the voltage-controlled oscillation circuit while cutting the connection to the temperature c

Abstract: A temperature-compensated oscillator includes a temperature compensation circuit adapted to output a temperature compensation voltage, a voltage-controlled oscillation circuit on which temperature compensation is performed based on the temperature compensation voltage, a switch circuit adapted to perform ON/OFF control on power supply to the temperature compensation circuit, and a sample-and-hold circuit adapted to perform switching control between an ON state of outputting the temperature compensation voltage to the voltage-controlled oscillation circuit while being connected to the temperature compensation circuit and holding the temperature compensation voltage output from the temperature compensation circuit when the power is supplied to the temperature compensation circuit, and an OFF state of outputting the temperature compensation voltage held to the voltage-controlled oscillation circuit while cutting connection to the temperature compensation circuit when the power supply to the temperature compensat

Abstract: A piezoelectric oscillator includes: a piezoelectric resonator; a storage unit that stores temperature compensation data used for specifying frequency-temperature characteristics of the piezoelectric resonator therein; a temperature compensation circuit; a voltage-controlled oscillation circuit that oscillates the piezoelectric resonator and controls an oscillation frequency of the piezoelectric resonator based on an oscillation control voltage; and a power source control unit that controls so as to supply a power source voltage to the temperature compensation circuit or so as not to supply the power source voltage to at least a part of the temperature compensation circuit based on a control signal transmitted from the outside, wherein the temperature compensation voltage is supplied as the oscillation control voltage to the voltage-controlled oscillation circuit in synchronization with a period during which the power source voltage is supplied to the temperature compensation circuit.

Abstract: An oscillation signal that is provided from an inverter-type oscillation circuit 4 is input to an output driving circuit 5. In the output driving circuit 5, a control circuit 53 controls a voltage control circuit 52 and a buffer circuit 51 in accordance with control data written in a memory circuit 54, to generate a clock signal with control data amplitude, duty ratio, rising/falling characteristics of an output waveform in accordance with the control data. The output driving circuit 5 is configured with a plurality of voltage control circuits and a plurality of buffer circuits to allow clock signals, each having different waveform characteristics, to be provided from a plurality of output terminals.

Abstract: An oscillation signal that is provided from an inverter-type oscillation circuit 4 is input to an output driving circuit 5. In the output driving circuit 5, a control circuit 53 controls a voltage control circuit 52 and a buffer circuit 51 in accordance with control data written in a memory circuit 54, to generate a clock signal having an amplitude, duty ratio, rising/falling characteristics of an output Waveform in accordance with the control data. The output driving circuit 5 is configured with a plurality of voltage control circuits and a plurality of buffer circuits to allow clock signals, each having different waveform characteristics, to be provided from a plurality of output terminals.