JPS6156885B2 - - Google Patents
Info
- Publication number
- JPS6156885B2 JPS6156885B2 JP55032837A JP3283780A JPS6156885B2 JP S6156885 B2 JPS6156885 B2 JP S6156885B2 JP 55032837 A JP55032837 A JP 55032837A JP 3283780 A JP3283780 A JP 3283780A JP S6156885 B2 JPS6156885 B2 JP S6156885B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- impedance
- amplifier
- output
- operational amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000010355 oscillation Effects 0.000 claims description 18
- 239000003990 capacitor Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3283780A JPS56129410A (en) | 1980-03-14 | 1980-03-14 | Lc oscillation circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3283780A JPS56129410A (en) | 1980-03-14 | 1980-03-14 | Lc oscillation circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56129410A JPS56129410A (en) | 1981-10-09 |
JPS6156885B2 true JPS6156885B2 (ru) | 1986-12-04 |
Family
ID=12369925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3283780A Granted JPS56129410A (en) | 1980-03-14 | 1980-03-14 | Lc oscillation circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56129410A (ru) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5239180A (en) * | 1975-09-23 | 1977-03-26 | Omron Tateisi Electronics Co | Proximity switch circuit |
JPS5444536U (ru) * | 1978-08-08 | 1979-03-27 |
-
1980
- 1980-03-14 JP JP3283780A patent/JPS56129410A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5239180A (en) * | 1975-09-23 | 1977-03-26 | Omron Tateisi Electronics Co | Proximity switch circuit |
JPS5444536U (ru) * | 1978-08-08 | 1979-03-27 |
Also Published As
Publication number | Publication date |
---|---|
JPS56129410A (en) | 1981-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100558379B1 (ko) | 임피던스-전압 변환기 | |
US4149231A (en) | Capacitance-to-voltage transformation circuit | |
JP3448058B2 (ja) | 空のパイプ検出器を有する磁気流量計 | |
US3883812A (en) | Diode-quad bridge circuit means | |
JP4488400B2 (ja) | インピーダンス検出回路 | |
JP2954662B2 (ja) | 共振回路の出力信号の変動を補償する方法および距離検知器 | |
US5150062A (en) | Electrostatic capacitance sensing circuit | |
KR100654472B1 (ko) | 센서 용량 검출 장치 및 센서 용량 검출 방법 | |
JP3501398B2 (ja) | インピーダンス検出回路及びインピーダンス検出方法 | |
KR100341966B1 (ko) | 임피던스-전압 변환기 및 변환방법 | |
US3694741A (en) | Coupled inductance impedance measuring circuit with increased sensitivity and frequency independence | |
JPH05248891A (ja) | 誘導センサ用の評価回路 | |
JP2003075487A (ja) | インピーダンス検出装置及び静電容量検出装置 | |
JP4072030B2 (ja) | センサ容量検出装置及びセンサ容量検出方法 | |
JPH0252220A (ja) | 信号形成装置 | |
JPS6156885B2 (ru) | ||
JP3454426B2 (ja) | インピーダンス検出回路及びインピーダンス検出方法 | |
JPS6182104A (ja) | 静電容量型距離計 | |
KR101001863B1 (ko) | 비접촉식 센서 회로 | |
JP4676643B2 (ja) | 電位固定装置および容量測定装置 | |
JP2002044788A (ja) | マイクロフォン装置 | |
JPH0626907A (ja) | レベル検出装置 | |
JPS5819966B2 (ja) | 変位変換装置 | |
JP2004212212A (ja) | インピーダンス検出装置及びインピーダンス検出方法 | |
SU709990A1 (ru) | Электронный влагомер |