发明名称 CIRCUIT DEVICE, OSCILLATION DEVICE AND ELECTRONIC APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide a circuit device, an oscillation device and an electronic apparatus that implement a stable oscillating operation by suppressing an increase in a collector voltage of a transistor for oscillation.SOLUTION: The circuit device includes: an oscillation circuit 10 having a transistor BT for oscillation of an oscillator XTAL, and a feedback resistor RF disposed between a collector and a base of the bipolar transistor BT for oscillation; and a current supply circuit 20 for supplying current to the oscillation circuit 10. The current supply circuit 20 supplies the collector of the transistor BT for oscillation with a bias current ID for collector current supply, and supplies the base of the transistor BT for oscillation with an auxiliary base current IB2 complementary to a current IB1 supplied to the base of the transistor BT for oscillation via the feedback resistor RF on the basis of the bias current ID.
申请公布号 JP2013207340(A) 申请公布日期 2013.10.07
申请号 JP20120070903 申请日期 2012.03.27
申请人 SEIKO EPSON CORP 发明人 YAMAMOTO TAKEHIRO;ISHIKAWA MASAYUKI
分类号 H03B5/32;H03K3/282 主分类号 H03B5/32
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