Constant temperature type crystal oscillator
A technology of crystal oscillators and crystal resonators, applied in power oscillators, instruments, temperature control, etc., can solve problems such as failure to meet predetermined standards, and achieve the effect of solving temperature dependence and stable characteristics
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[0045] Lead-Out Crystal Oscillators
[0046] FIG. 1 is a diagram for explaining an embodiment of a lead-out type highly stable oscillator of the present invention, wherein FIG. 1A is a partial longitudinal sectional view thereof, and Figure 1B is the plan view of the principal points.
[0047] The highly stable oscillator of the present invention includes an oven-controlled crystal oscillator in which the operating temperature of the crystal oscillator is constant. Here, as shown in FIG. 1A, this highly stable oscillator consists of an oscillation element 8 including a crystal resonator 7 (a crystal plate 7a) and a temperature control element 5 mounted on a single circuit board 1 and connected to the circuit board 1. The heating body 11 constitutes. The heating body 11 includes a heat conducting plate 12 and chip resistors 13a and 13b for heating. Here too, the power transistors of the temperature control element 5 are used for heating.
[0048] The heat conduction plate...
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