Title:
自己バイアスクォーツ発振器回路
Document Type and Number:
Japanese Patent JP6607997
Kind Code:
B2
Abstract:
The self-polarised quartz oscillator circuit comprises an amplifier with an output which is connected to a first electrode of the quartz and an input which is connected to a second electrode of the quartz, an output capacitor which is connected to the first electrode of the quartz and an input capacitor which is connected to the second electrode of the quartz. The amplifier is polarised by a current through a MOS polarisation transistor, which is generated in an amplitude regulation assembly which comprises also an amplitude regulation stage. The second electrode of the quartz is connected to the gate of the polarisation transistor and to the amplitude regulation stage in order to modulate the polarisation current and to regulate the oscillation amplitude of the quartz.
Inventors:
Matthew Kustan
Luca Rossi
Eve goda
Luca Rossi
Eve goda
Application Number:
JP2018092850A
Publication Date:
November 20, 2019
Filing Date:
May 14, 2018
Export Citation:
Assignee:
MM Microelectronic-Marine S.A.R.
International Classes:
H03B5/32; H03F3/34
Domestic Patent References:
| JP2011120149A | ||||
| JP2004254078A |
Foreign References:
| WO2004093308A1 | ||||
| US7868688 |
Attorney, Agent or Firm:
Shigeki Yamakawa
Masaki Yamakawa
Masaki Yamakawa