ES417970A1 - Sistema para conversion de frecuencia y demodulacion de unasenal de modulacion de amplitud. - Google Patents
Sistema para conversion de frecuencia y demodulacion de unasenal de modulacion de amplitud.Info
- Publication number
- ES417970A1 ES417970A1 ES417970A ES417970A ES417970A1 ES 417970 A1 ES417970 A1 ES 417970A1 ES 417970 A ES417970 A ES 417970A ES 417970 A ES417970 A ES 417970A ES 417970 A1 ES417970 A1 ES 417970A1
- Authority
- ES
- Spain
- Prior art keywords
- signal
- frequency
- demodulation
- translation
- machine
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/2281—Homodyne or synchrodyne circuits using a phase locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/02—Details
- H03D1/06—Modifications of demodulators to reduce distortion, e.g. by negative feedback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/2245—Homodyne or synchrodyne circuits using two quadrature channels
- H03D1/2254—Homodyne or synchrodyne circuits using two quadrature channels and a phase locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0088—Reduction of intermodulation, nonlinearities, adjacent channel interference; intercept points of harmonics or intermodulation products
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8234072A JPS4940051A (es) | 1972-08-17 | 1972-08-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES417970A1 true ES417970A1 (es) | 1976-03-01 |
Family
ID=13771822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES417970A Expired ES417970A1 (es) | 1972-08-17 | 1973-08-17 | Sistema para conversion de frecuencia y demodulacion de unasenal de modulacion de amplitud. |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS4940051A (es) |
BR (1) | BR7306360D0 (es) |
DE (1) | DE2341784A1 (es) |
ES (1) | ES417970A1 (es) |
FR (1) | FR2196550A1 (es) |
IT (1) | IT993016B (es) |
NL (1) | NL7311365A (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE501604C2 (sv) * | 1993-08-13 | 1995-03-27 | Ericsson Telefon Ab L M | Metod och anordning för sampling av elektriska signaler |
-
1972
- 1972-08-17 JP JP8234072A patent/JPS4940051A/ja active Pending
-
1973
- 1973-08-17 NL NL7311365A patent/NL7311365A/xx not_active Application Discontinuation
- 1973-08-17 ES ES417970A patent/ES417970A1/es not_active Expired
- 1973-08-17 DE DE19732341784 patent/DE2341784A1/de active Pending
- 1973-08-17 BR BR636073A patent/BR7306360D0/pt unknown
- 1973-08-17 FR FR7330053A patent/FR2196550A1/fr not_active Withdrawn
- 1973-08-17 IT IT2798373A patent/IT993016B/it active
Also Published As
Publication number | Publication date |
---|---|
JPS4940051A (es) | 1974-04-15 |
BR7306360D0 (pt) | 1974-07-11 |
IT993016B (it) | 1975-09-30 |
FR2196550A1 (es) | 1974-03-15 |
NL7311365A (es) | 1974-02-19 |
DE2341784A1 (de) | 1974-02-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES421933A1 (es) | Un transmisor de bucle sincronizado en fase. | |
GB811762A (en) | Improvements in devices for determining position by means of the transit time of radiated waves | |
ES277019A1 (es) | Detector de variación de frecuencia | |
GB1374638A (en) | Oscillation generators | |
ES417970A1 (es) | Sistema para conversion de frecuencia y demodulacion de unasenal de modulacion de amplitud. | |
DK133569B (da) | FM/AM-omsætter til omsætning af en frekvensmoduleret bølge til en amplitudemoduleret bølge med undertrykt bærefrekvens. | |
GB1270456A (en) | Radio receiving apparatus | |
GB1445733A (en) | Underwater transmission system | |
JPS5272146A (en) | Phase modulator | |
ES476751A1 (es) | Un oscilador con modulacion de angulo. | |
SU433620A1 (ru) | Устройство для демодуляпничастотно-модулированных свч-сигналов | |
SU420963A1 (ru) | Преобразователь значения коэффициентамодуляции амплитудно-модулированногосинусоидального сигнала | |
JPS51144557A (en) | Frequency discrimination circuit | |
DK136289B (da) | Oscillator til frembringelse af bærefrekvensimpulser, hvis fase er kohærent med bærefrekvenssignalet. | |
GB1191707A (en) | Improvements in or relating to Frequency Modulation Arrangements | |
JPS5213757A (en) | Sine wave signal generator circuit | |
ES459452A1 (es) | Receptor-emisor de radio para onda portadora modulada por una sub-portadora, en particular para la medicion radioelec-trica de distancias. | |
JPS5333038A (en) | Phase synchronizing oscillator | |
GB957019A (en) | Apparatus and method for precompensating changes in a radio frequency signal | |
ES319453A1 (es) | Método para recibir senales de alta frecuencia particularmente moduladas en amplitud y-o fase | |
GB1399341A (en) | Hyperbolic navigation equipment | |
DK126076B (da) | Injektionsfaselåsningskredsløb til en af et moduleringssignal moduleret selvsvingende oscillator i en FM-sender. | |
Stocklin | Relative sideband amplitudes versus modulation index for common functions using frequency and phase modulation(for design and testing of communication system) | |
ES378658A1 (es) | Generador de barrido para la sintonia automatica de emisio-nes radioelectricas con sintonizadores de varactor. | |
JPS5588458A (en) | Modulation system |