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Patent Searching and Data


Title:
CRYSTAL OSCILLATOR
Document Type and Number:
Japanese Patent JPH0685539
Kind Code:
A
Abstract:

PURPOSE: To output Nth-order multiplied waves without using any Nth-order multiplier by adding an Nth-order resonance circuit composed of an inductor and a capacitor between the power supply terminal of the oscillator and the collector of a transistor.

CONSTITUTION: A prescribed frequency can be outputted by providing the resonance circuit composed of an inductor 12 for resonance and a capacitor 11 for resonance between a power supply terminal 2 of the oscillator and the collector of a transistor 1. In this case, the Nth-order multiplied waves can be directly outputted from this oscillator by making the output frequency coincident with the Nth-order multiplied waves at an oscillation frequency. Further, the Nth-order multiplied waves can be stably outputted without fluctuating a resonance frequency even against outside temperature fluctuation by providing +Appm temperature characteristics at the inductor 12 for resonance constituting the Nth-order resonance circuit and providing -Appm temperature coefficients at the capacitor 11 for resonance.


Inventors:
WATANABE HIROSHI
Application Number:
JP1992000236973
Publication Date:
March 25, 1994
Filing Date:
September 04, 1992
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H03B5/32; (IPC1-7): H03B5/32
Attorney, Agent or Firm:
高田 守