IT944786B - Perfezionamento nei circuiti mol tiplicatori di frequenza adatti in particolare per sistemi in forma multiplex - Google Patents

Perfezionamento nei circuiti mol tiplicatori di frequenza adatti in particolare per sistemi in forma multiplex

Info

Publication number
IT944786B
IT944786B IT53909/71A IT5390971A IT944786B IT 944786 B IT944786 B IT 944786B IT 53909/71 A IT53909/71 A IT 53909/71A IT 5390971 A IT5390971 A IT 5390971A IT 944786 B IT944786 B IT 944786B
Authority
IT
Italy
Prior art keywords
improvement
circuits suitable
multiplex systems
frequency typical
typical mol
Prior art date
Application number
IT53909/71A
Other languages
English (en)
Italian (it)
Original Assignee
Motorola Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of IT944786B publication Critical patent/IT944786B/it

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
    • H03D1/2209—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders
    • H03D1/2227—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders using switches for the decoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Stereophonic System (AREA)
IT53909/71A 1970-11-16 1971-11-06 Perfezionamento nei circuiti mol tiplicatori di frequenza adatti in particolare per sistemi in forma multiplex IT944786B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8970670A 1970-11-16 1970-11-16

Publications (1)

Publication Number Publication Date
IT944786B true IT944786B (it) 1973-04-20

Family

ID=22219172

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53909/71A IT944786B (it) 1970-11-16 1971-11-06 Perfezionamento nei circuiti mol tiplicatori di frequenza adatti in particolare per sistemi in forma multiplex

Country Status (6)

Country Link
US (1) US3721766A (ref)
CA (1) CA957731A (ref)
DE (1) DE2152055A1 (ref)
FR (1) FR2114010B1 (ref)
GB (1) GB1337452A (ref)
IT (1) IT944786B (ref)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226081B1 (ref) * 1971-04-21 1977-07-12
FR2163689B1 (ref) * 1971-12-16 1976-08-27 Matsushita Electric Industrial Co Ltd
CA1036224A (en) * 1971-12-23 1978-08-08 Tsuneo Ohkubo Four-channel stereo receiver
JPS5315602B2 (ref) * 1972-09-29 1978-05-26
US4061882A (en) * 1976-08-13 1977-12-06 Quadracast Systems, Inc. Quadrature multiplying four-channel demodulator
JPS5335301A (en) * 1976-09-13 1978-04-01 Hitachi Ltd Mpx decoder circuit
JPS5455301A (en) * 1977-10-12 1979-05-02 Pioneer Electronic Corp Stereo signal demodulator
JPS6221086Y2 (ref) * 1980-02-21 1987-05-28
JPS5943644A (ja) * 1982-09-04 1984-03-10 Pioneer Electronic Corp Ｆｍステレオ復調回路
NL8302438A (nl) * 1983-07-08 1985-02-01 Philips Nv Dubbel-gebalanceerde mengschakeling.
US4596954A (en) * 1984-02-29 1986-06-24 American Microsystems, Inc. Frequency doubler with fifty percent duty cycle output signal
JPH0681108B2 (ja) * 1989-03-22 1994-10-12 株式会社東芝 Ｆｍステレオマルチプレックス復調回路のマトリックス回路
JPH0699561B2 (ja) * 1990-03-23 1994-12-07 信越化学工業株式会社 シリコーン系ブロックポリマーの製造方法
DE4041852C2 (de) * 1990-12-24 1995-05-04 Telefunken Microelectron Integrierter Stereodekoder mit Schaltungsanordnung zur Erzeugung eines digitalen Schaltsignals
US7336938B1 (en) * 2003-06-18 2008-02-26 National Semiconductor Corporation Phase-alternating mixer with alias and harmonic rejection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3143663A (en) * 1961-09-21 1964-08-04 Collins Radio Co Frequency doubler
US3448387A (en) * 1967-01-06 1969-06-03 Us Army Frequency doubler
US3585411A (en) * 1969-02-06 1971-06-15 Motorola Inc Frequency multiplying circuit

Also Published As

Publication number Publication date
DE2152055A1 (de) 1972-07-06
GB1337452A (en) 1973-11-14
FR2114010B1 (ref) 1976-03-26
CA957731A (en) 1974-11-12
US3721766A (en) 1973-03-20
FR2114010A1 (ref) 1972-06-30

Similar Documents

Publication Publication Date Title
IT945378B (it) Perfezionamento nei connettori per circuiti stampati
IT944786B (it) Perfezionamento nei circuiti mol tiplicatori di frequenza adatti in particolare per sistemi in forma multiplex
CH504205A (de) Halteschiene
IT952197B (it) Perfezionamento nei sistemi di ipersostentamento per aeromobili
IT992796B (it) Perfezionamento nei circuiti per apparecchi telefonici di utente
AT305891B (de) Schienentransportanlage
AT304599B (de) Schienenbefestigung
IT958395B (it) Perfezionamento nei sistemi di refrigerazione per compressori
MY7700062A (en) Current dividing circuits
IT996442B (it) Perfezionamento nei sistemi di trasportatore
CH497606A (de) Schiene
CH530296A (fr) Véhicule ferroviaire
CH493357A (de) Schienenfahrzeug
CH488345A (de) Multiplex-Einrichtung
IT945076B (it) Perfezionamento nei circuiti di rivelazione di cresta per segnali elettrici
IT1008690B (it) Perfezionamento nei dispositivi di protezione per circuiti elettrici
CH515819A (de) Geleisegebundene Förderanlage
IT994442B (it) Perfezionamento nei circuiti integrati
IT994145B (it) Perfezionamento nei circuiti di de viazione verticale per ricevitori televisivi
CH490214A (fr) Installation ferroviaire
CH533354A (it) Apparecchiatura elettrica di sicurezza, segnatamente per veicoli con più circuiti elettrici
IT948722B (it) Perfezionamento nei dispositivi di laminazione per profilati
IT1006673B (it) Perfezionamento nei circuiti elet tronici ad esempio moltiplicatori elettronici in particolare per la eliminazione di distorsioni del secondo ordine
IT944183B (it) Perfezionamento nei circuiti di protezione per ohmetro
AT298568B (de) Trennleiste für Fernmeldeanlagen