DE2606714C3 - Demodulator für frequenzmodulierte elektrische Hochfrequenzschwingungen - Google Patents
Demodulator für frequenzmodulierte elektrische HochfrequenzschwingungenInfo
- Publication number
- DE2606714C3 DE2606714C3 DE2606714A DE2606714A DE2606714C3 DE 2606714 C3 DE2606714 C3 DE 2606714C3 DE 2606714 A DE2606714 A DE 2606714A DE 2606714 A DE2606714 A DE 2606714A DE 2606714 C3 DE2606714 C3 DE 2606714C3
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- demodulator
- resonator
- capacitor
- curve
- 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 title claims description 12
- 239000000919 ceramic Substances 0.000 claims description 36
- 239000003990 capacitor Substances 0.000 claims description 20
- NKZSPGSOXYXWQA-UHFFFAOYSA-N dioxido(oxo)titanium;lead(2+) Chemical compound [Pb+2].[O-][Ti]([O-])=O NKZSPGSOXYXWQA-UHFFFAOYSA-N 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 229910003781 PbTiO3 Inorganic materials 0.000 claims 1
- 239000013078 crystal Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000010287 polarization Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 241001076195 Lampsilis ovata Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
- H03D3/16—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of electromechanical resonators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50021205A JPS5195768A (enExample) | 1975-02-19 | 1975-02-19 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2606714A1 DE2606714A1 (de) | 1976-09-02 |
| DE2606714B2 DE2606714B2 (de) | 1979-01-25 |
| DE2606714C3 true DE2606714C3 (de) | 1979-09-20 |
Family
ID=12048472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2606714A Expired DE2606714C3 (de) | 1975-02-19 | 1976-02-17 | Demodulator für frequenzmodulierte elektrische Hochfrequenzschwingungen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4013970A (enExample) |
| JP (1) | JPS5195768A (enExample) |
| DE (1) | DE2606714C3 (enExample) |
| FR (1) | FR2301961A1 (enExample) |
| GB (1) | GB1528253A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54162924A (en) * | 1978-06-14 | 1979-12-25 | Murata Manufacturing Co | Filter and signal discriminator using same |
| JP2020064014A (ja) * | 2018-10-18 | 2020-04-23 | 太陽誘電株式会社 | センサ回路 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2712600A (en) * | 1950-12-18 | 1955-07-05 | Gen Electric | Frequency response circuits |
| BE528261A (enExample) * | 1953-04-21 | |||
| US3160822A (en) * | 1960-10-31 | 1964-12-08 | Edgar L Dix | Quartz crystal discriminating circuit |
| FR1290764A (fr) * | 1960-12-06 | 1962-04-13 | Itek Corp | Circuit discriminateur |
| NL266360A (enExample) * | 1961-06-26 | |||
| NL6708666A (enExample) * | 1967-04-03 | 1968-10-04 | ||
| US3614640A (en) * | 1970-01-27 | 1971-10-19 | Us Navy | Frequency discriminator using no inductive components |
| US3659116A (en) * | 1970-09-14 | 1972-04-25 | Collins Radio Co | Power insensitive frequency detector |
| US3934207A (en) * | 1974-10-21 | 1976-01-20 | Gte Sylvania Incorporated | Frequency discriminator utilizing surface wave devices |
-
1975
- 1975-02-19 JP JP50021205A patent/JPS5195768A/ja active Pending
-
1976
- 1976-02-17 DE DE2606714A patent/DE2606714C3/de not_active Expired
- 1976-02-18 FR FR7604460A patent/FR2301961A1/fr active Granted
- 1976-02-19 US US05/659,555 patent/US4013970A/en not_active Expired - Lifetime
- 1976-02-19 GB GB6648/76A patent/GB1528253A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5195768A (enExample) | 1976-08-21 |
| FR2301961B1 (enExample) | 1979-04-06 |
| DE2606714A1 (de) | 1976-09-02 |
| GB1528253A (en) | 1978-10-11 |
| US4013970A (en) | 1977-03-22 |
| FR2301961A1 (fr) | 1976-09-17 |
| DE2606714B2 (de) | 1979-01-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |