JPS5714605B2 - - Google Patents
Info
- Publication number
- JPS5714605B2 JPS5714605B2 JP4047475A JP4047475A JPS5714605B2 JP S5714605 B2 JPS5714605 B2 JP S5714605B2 JP 4047475 A JP4047475 A JP 4047475A JP 4047475 A JP4047475 A JP 4047475A JP S5714605 B2 JPS5714605 B2 JP S5714605B2
- Authority
- JP
- Japan
- 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
Classifications
-
- 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
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/14—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles
- H03D1/18—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles of semiconductor devices
-
- 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
- H03D3/14—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 semiconductor devices having more than two electrodes
-
- 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
- H03D3/18—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements
- H03D3/20—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements producing pulses whose amplitude or duration depends on phase difference
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Circuits Of Receivers In General (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US45790874A | 1974-04-04 | 1974-04-04 | |
US05/565,717 US3999138A (en) | 1974-04-04 | 1975-04-07 | Detector for AM-FM signals |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS50141956A JPS50141956A (ja) | 1975-11-15 |
JPS5714605B2 true JPS5714605B2 (ja) | 1982-03-25 |
Family
ID=27038774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4047475A Expired JPS5714605B2 (ja) | 1974-04-04 | 1975-04-04 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3999138A (ja) |
JP (1) | JPS5714605B2 (ja) |
CA (1) | CA1062779A (ja) |
DE (1) | DE2514555A1 (ja) |
FR (1) | FR2266979B1 (ja) |
GB (3) | GB1511043A (ja) |
NL (1) | NL178111C (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0537603Y2 (ja) * | 1987-12-10 | 1993-09-22 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4050022A (en) * | 1975-10-20 | 1977-09-20 | General Electric Company | AM-FM receiver having improved mode conversion |
FR2331909A1 (fr) * | 1975-11-14 | 1977-06-10 | Gen Electric | Circuit radio-recepteur pour un recepteur a modulation d'amplitude et a modulation de frequence |
DE2554255A1 (de) * | 1975-12-03 | 1977-06-16 | Gen Electric | Schaltung fuer einen am-fm-rundfunkempfaenger |
US4122394A (en) * | 1976-01-19 | 1978-10-24 | Hitachi, Ltd. | Phase-shifting multiplication type FM signal demodulation circuit |
JPS5855696B2 (ja) * | 1976-12-11 | 1983-12-10 | 富士通テン株式会社 | Am・fm兼用周波数弁別器 |
US4201946A (en) * | 1978-12-22 | 1980-05-06 | General Electric Company | AM-FM Detector circuit stabilized against fabrication and temperature variations |
JPS55155105U (ja) * | 1979-04-20 | 1980-11-08 | ||
JPS5643807A (en) * | 1979-09-17 | 1981-04-22 | Nec Corp | Detecting circuit |
US4388496A (en) * | 1980-08-11 | 1983-06-14 | Trio Kabushiki Kaisha | FM/AM Stereo receiver |
US4390845A (en) * | 1980-12-05 | 1983-06-28 | Motorola, Inc. | Gated quadrature detector biased to switch on sinusoidal zero crossings |
US4534043A (en) * | 1983-06-27 | 1985-08-06 | Racal Data Communications, Inc. | Test tone detector apparatus and method modem using same |
US4634965A (en) * | 1984-12-31 | 1987-01-06 | Sundstrand Data Control, Inc. | Charge balancing detection circuit |
JPS61206310U (ja) * | 1986-04-17 | 1986-12-26 | ||
US4730603A (en) * | 1987-01-28 | 1988-03-15 | Minnesota Mining And Manufacturing Company | Receiver of amplitude modulated signals |
CN101416460B (zh) * | 2006-03-29 | 2013-03-20 | 汤姆森许可贸易公司 | 频率变换模块频率限制的放大器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3022461A (en) * | 1959-07-20 | 1962-02-20 | Ampex | Frequency and/or phase demodulator |
GB968995A (en) * | 1960-09-14 | 1964-09-09 | Ass Elect Ind | Frequency deviation detector |
US3519944A (en) * | 1968-02-15 | 1970-07-07 | Rca Corp | Angle modulation discriminator-detector circuit |
US3665507A (en) * | 1971-01-04 | 1972-05-23 | Gen Electric | Signal processor for reception of amplitude or frequency modulated signals |
-
1975
- 1975-02-10 CA CA219,866A patent/CA1062779A/en not_active Expired
- 1975-04-02 GB GB50661/77A patent/GB1511043A/en not_active Expired
- 1975-04-02 GB GB13415/75A patent/GB1511041A/en not_active Expired
- 1975-04-02 NL NLAANVRAGE7503939,A patent/NL178111C/xx not_active IP Right Cessation
- 1975-04-02 GB GB50660/77A patent/GB1511042A/en not_active Expired
- 1975-04-03 DE DE19752514555 patent/DE2514555A1/de active Granted
- 1975-04-04 FR FR757510598A patent/FR2266979B1/fr not_active Expired
- 1975-04-04 JP JP4047475A patent/JPS5714605B2/ja not_active Expired
- 1975-04-07 US US05/565,717 patent/US3999138A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0537603Y2 (ja) * | 1987-12-10 | 1993-09-22 |
Also Published As
Publication number | Publication date |
---|---|
GB1511041A (en) | 1978-05-17 |
JPS50141956A (ja) | 1975-11-15 |
NL178111C (nl) | 1986-01-16 |
CA1062779A (en) | 1979-09-18 |
NL178111B (nl) | 1985-08-16 |
DE2514555C2 (ja) | 1987-02-12 |
DE2514555A1 (de) | 1975-10-30 |
USB565717I5 (ja) | 1976-04-13 |
NL7503939A (nl) | 1975-10-07 |
GB1511042A (en) | 1978-05-17 |
FR2266979A1 (ja) | 1975-10-31 |
US3999138A (en) | 1976-12-21 |
GB1511043A (en) | 1978-05-17 |
FR2266979B1 (ja) | 1981-03-06 |