There is configured an oscillator characterized by including an outer package having a housing space, an inner package housed in the housing space, a resonator element housed in the inner package, a heater element housed in the housing space, and fixed to the inner package, an oscillation circuit configured to oscillate the resonator element, a conducting member configured to electrically couple the inner package and the heater element to each other, and a first bonding wire configured to couple the heater element and the outer package to each other, and configured to electrically couple the conducting member and the outer package to each other.

An electronic part including an integrated circuit and a memory, the integrated circuit including a first clock terminal to which a clock signal is inputted, a first data terminal via which a first serial data signal is inputted and outputted, a second clock terminal via which the clock signal is outputted to the memory, a second data terminal via which a second serial data signal is inputted and outputted from and to the memory, and a first interface circuit including a control circuit that controls the communication state of the integrated circuit to be a first communication state in which the first serial data signal inputted to the first data terminal is outputted as the second serial data signal via the second data terminal or a second communication state in which the second serial data signal inputted to the second data terminal is outputted as the first serial data signal via the first data terminal.

An oscillator includes: a resonator element; an oscillation circuit configured to oscillate the resonator element to generate a clock signal; a temperature sensor; a digital control circuit configured to operate based on the clock signal and output a control signal based on a temperature detected by the temperature sensor; a temperature control circuit configured to output a control voltage based on the control signal; a temperature control element configured to control a temperature of the resonator element based on the control voltage; and a clock signal abnormality detection circuit configured to detect an abnormality in the clock signal. The clock signal abnormality detection circuit stops an output of the control voltage to the temperature control element performed by the temperature control circuit when the abnormality in the clock signal is detected.

An oscillator includes a first resonator element, a circuit element configured to oscillate the first resonator element to generate an oscillation signal, a first package which includes a substrate, and has a housing space configured to house the first resonator element and the circuit element at one principal surface side of the substrate, a second resonator element which is disposed at another principal surface side of the substrate, and an oscillation frequency of which is controlled based on the oscillation signal, and a leg part which is disposed at the another principal surface side of the substrate, and which is arranged so as to surround the second resonator element in a plan view of the substrate.

An oscillator includes dual resonators mounted in a helium filled coldweld holder. One resonator operates at anti-resonance into a load capacitance of about 20 picofarads, and operates on a third overtone frequency under noncontrolled temperature conditions. The other resonator operates on a fundamental mode at anti-resonance in a load capacitance of about 32 picofarads. Resonator crystals in a dual-crystal resonator may include a theta-angle shift to equalize frequency versus temperature curves at temperature extremes.

A vibrator device includes a base; and a vibrator element including a quartz crystal vibrator element attached to the base via a first metal bump, in which the first metal bump is disposed on a straight line inclined within a range of +55° to +65° or −65° to −55° with respect to an X axis of the quartz crystal constituting the quartz crystal vibrator element in plan view seen from a direction in which the base and the quartz crystal vibrator element are arranged.

An oscillator includes: a base substrate having a first electrode; a temperature control element mounted on the base substrate and having a first pad electrically coupled to the first electrode; a resonator element having a first major surface and a second major surface in front-back relation with the first major surface, and mounted on the temperature control element in such a way that the second major surface faces the temperature control element; and at least one first bonding wire coupling the first major surface and the first pad together.

An oscillator includes a first container, a second container accommodated in the first container, a resonator element accommodated in the second container, a temperature sensor accommodated in the second container, a first circuit element that is accommodated in the second container and includes an oscillation circuit that causes the resonator element to oscillate so as to generate an oscillation signal on which temperature compensation is performed based on a detected temperature of the temperature sensor, and a second circuit element that is accommodated in the first container and includes a frequency control circuit that controls a frequency of the oscillation signal. The second container and the second circuit element are stacked.

An oscillator includes a first container, a second container accommodated in the first container, a resonator element accommodated in the second container, a temperature sensor accommodated in the second container, a first circuit element that is accommodated in the second container and includes an oscillation circuit that causes the resonator element to oscillate so as to generate an oscillation signal on which temperature compensation is performed based on a detected temperature of the temperature sensor, and a second circuit element which is accommodated in the first container and includes a frequency control circuit that controls a frequency of the oscillation signal. The second container and the second circuit element are spaced from each other and are disposed to overlap each other in plan view.

An oscillator includes a first container that includes a first base substrate and a first lid bonded to the first base substrate and has a first internal space, a second container that is accommodated in the first internal space and fixed to the first base substrate, a resonator element that is accommodated in the second container, a temperature sensor that is accommodated in the second container, a first circuit element that is accommodated in the second container and includes an oscillation circuit oscillating the resonator element and generating an oscillation signal on which temperature compensation is performed based on a detected temperature of the temperature sensor, and a second circuit element that is fixed to the first base substrate and includes a frequency control circuit that controls a frequency of the oscillation signal, in which the second container and the second circuit element are arranged side by side in plan view.