AU645669B2 - AM-FM combined stereo receiver - Google Patents
AM-FM combined stereo receiverInfo
- Publication number
- AU645669B2 AU645669B2 AU13573/92A AU1357392A AU645669B2 AU 645669 B2 AU645669 B2 AU 645669B2 AU 13573/92 A AU13573/92 A AU 13573/92A AU 1357392 A AU1357392 A AU 1357392A AU 645669 B2 AU645669 B2 AU 645669B2
- Authority
- AU
- Australia
- Prior art keywords
- radio
- pll
- vco
- stereo
- signal
- 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.)
- Ceased
Links
- 238000013459 approach Methods 0.000 description 15
- 239000003990 capacitor Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 239000011159 matrix material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000012256 powdered iron Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
- H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1646—Circuits adapted for the reception of stereophonic signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Stereo-Broadcasting Methods (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65167891A | 1991-02-06 | 1991-02-06 | |
| US651678 | 1991-02-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU1357392A AU1357392A (en) | 1992-09-07 |
| AU645669B2 true AU645669B2 (en) | 1994-01-20 |
Family
ID=24613774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU13573/92A Ceased AU645669B2 (en) | 1991-02-06 | 1992-02-04 | AM-FM combined stereo receiver |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0570480A4 (cs) |
| JP (1) | JPH05206737A (cs) |
| AU (1) | AU645669B2 (cs) |
| CA (1) | CA2100447A1 (cs) |
| TW (1) | TW198162B (cs) |
| WO (1) | WO1992014299A1 (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4302301C2 (de) * | 1993-01-28 | 1996-02-08 | Loewe Opta Gmbh | Schaltungsanordnung zum Empfang von FM- und nicht FM-modulierten Signalen |
| US8606202B2 (en) | 2010-08-24 | 2013-12-10 | Mitsubishi Electric Corporation | Radio receiver apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3665507A (en) * | 1971-01-04 | 1972-05-23 | Gen Electric | Signal processor for reception of amplitude or frequency modulated signals |
| US4388496A (en) * | 1980-08-11 | 1983-06-14 | Trio Kabushiki Kaisha | FM/AM Stereo receiver |
| US4872207A (en) * | 1987-04-15 | 1989-10-03 | Motorola, Inc. | Automatic IF tangent lock control circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4426728A (en) * | 1981-08-31 | 1984-01-17 | Kahn Leonard R | Multiple system AM stereo receiver and pilot signal detector |
-
1992
- 1992-02-04 WO PCT/US1992/001017 patent/WO1992014299A1/en not_active Ceased
- 1992-02-04 AU AU13573/92A patent/AU645669B2/en not_active Ceased
- 1992-02-04 CA CA 2100447 patent/CA2100447A1/en not_active Abandoned
- 1992-02-04 EP EP19920905667 patent/EP0570480A4/en not_active Withdrawn
- 1992-02-05 JP JP4773792A patent/JPH05206737A/ja active Pending
- 1992-05-18 TW TW81103857A patent/TW198162B/zh active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3665507A (en) * | 1971-01-04 | 1972-05-23 | Gen Electric | Signal processor for reception of amplitude or frequency modulated signals |
| US4388496A (en) * | 1980-08-11 | 1983-06-14 | Trio Kabushiki Kaisha | FM/AM Stereo receiver |
| US4872207A (en) * | 1987-04-15 | 1989-10-03 | Motorola, Inc. | Automatic IF tangent lock control circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0570480A1 (en) | 1993-11-24 |
| JPH05206737A (ja) | 1993-08-13 |
| EP0570480A4 (en) | 1994-07-06 |
| CA2100447A1 (en) | 1992-08-07 |
| AU1357392A (en) | 1992-09-07 |
| WO1992014299A1 (en) | 1992-08-20 |
| TW198162B (cs) | 1993-01-11 |
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