USB351863I5 - - Google Patents

Info

Publication number
USB351863I5
USB351863I5 US35186373A USB351863I5 US B351863 I5 USB351863 I5 US B351863I5 US 35186373 A US35186373 A US 35186373A US B351863 I5 USB351863 I5 US B351863I5
Authority
US
United States
Prior art keywords
differential amplifier
circuit
tuning
stage
voltages
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.)
Pending
Application number
Other languages
English (en)
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 filed Critical
Publication of USB351863I5 publication Critical patent/USB351863I5/en
Application granted granted Critical
Publication of US3914700A publication Critical patent/US3914700A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Amplifiers (AREA)
US351863A 1972-05-04 1973-04-17 Switching arrangement for picking up stored constant voltages Expired - Lifetime US3914700A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2221773A DE2221773C2 (de) 1972-05-04 1972-05-04 Schaltung zum Anschalten gespeicherter konstanter elektrischer Abstinunspanniingen für die Festsenderwahl in Geraten der Nachrichtentechnik

Publications (2)

Publication Number Publication Date
USB351863I5 true USB351863I5 (de) 1975-01-28
US3914700A US3914700A (en) 1975-10-21

Family

ID=5844002

Family Applications (1)

Application Number Title Priority Date Filing Date
US351863A Expired - Lifetime US3914700A (en) 1972-05-04 1973-04-17 Switching arrangement for picking up stored constant voltages

Country Status (5)

Country Link
US (1) US3914700A (de)
JP (1) JPS5321801B2 (de)
DE (1) DE2221773C2 (de)
FR (1) FR2182932B1 (de)
GB (1) GB1398356A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090124A (en) * 1972-09-09 1978-05-16 U.S. Philips Corporation Circuit arrangement for switching a tuning voltage with low switch offset voltages and temperature compensation
DE2608266C3 (de) * 1976-02-28 1980-09-18 Deutsche Itt Industries Gmbh, 7800 Freiburg Schaltungsanordnung zum Ableiten einer kontinuierlich veränderbaren Gleichspannung aus der konstanten Gleichspannung einer Gleichspannungsquelle
CA1173176A (en) * 1979-06-04 1984-08-21 Isao Fujimoto Tuner apparatus
US4591740A (en) * 1983-02-28 1986-05-27 Burr-Brown Corporation Multiple input port circuit having temperature zero voltage offset bias means
GB2163312B (en) * 1984-08-14 1988-01-27 Stc Plc Amplifier

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB782740A (en) * 1954-04-06 1957-09-11 Elliott Brothers London Ltd Improvements in or relating to electrical devices
GB1065907A (en) * 1964-12-19 1967-04-19 Telefunken Patenverwertungsges Improvements in or relating to tuning arrangements for voltage tunable circuits
US3528043A (en) * 1968-12-17 1970-09-08 Servo Corp Of America Voltage controllable tuning circuit which responds linearly in frequency with linear dial changes
US3588752A (en) * 1969-08-28 1971-06-28 Sylvania Electric Prod Tracking filter
US3593044A (en) * 1969-08-26 1971-07-13 Int Standard Electric Corp Bit synchronization arrangement for pcm systems
US3617916A (en) * 1969-07-24 1971-11-02 Beckman Instruments Inc Commutated buffer amplifier
US3617855A (en) * 1970-04-24 1971-11-02 Nippon Oceanics Inst Ltd Phase-detecting circuits
US3684977A (en) * 1969-10-24 1972-08-15 Marconi Instruments Ltd Adjustable frequency generator equipments
US3699455A (en) * 1971-01-20 1972-10-17 Gte Sylvania Inc Automatic frequency control circuitry for a varactor tuner system
US3750028A (en) * 1970-06-25 1973-07-31 Matsushita Electric Ind Co Ltd Tuning system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1281061A (en) * 1968-08-30 1972-07-12 Matsushita Electric Ind Co Ltd Channel selector and tuner combination

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB782740A (en) * 1954-04-06 1957-09-11 Elliott Brothers London Ltd Improvements in or relating to electrical devices
GB1065907A (en) * 1964-12-19 1967-04-19 Telefunken Patenverwertungsges Improvements in or relating to tuning arrangements for voltage tunable circuits
US3528043A (en) * 1968-12-17 1970-09-08 Servo Corp Of America Voltage controllable tuning circuit which responds linearly in frequency with linear dial changes
US3617916A (en) * 1969-07-24 1971-11-02 Beckman Instruments Inc Commutated buffer amplifier
US3593044A (en) * 1969-08-26 1971-07-13 Int Standard Electric Corp Bit synchronization arrangement for pcm systems
US3588752A (en) * 1969-08-28 1971-06-28 Sylvania Electric Prod Tracking filter
US3684977A (en) * 1969-10-24 1972-08-15 Marconi Instruments Ltd Adjustable frequency generator equipments
US3617855A (en) * 1970-04-24 1971-11-02 Nippon Oceanics Inst Ltd Phase-detecting circuits
US3750028A (en) * 1970-06-25 1973-07-31 Matsushita Electric Ind Co Ltd Tuning system
US3699455A (en) * 1971-01-20 1972-10-17 Gte Sylvania Inc Automatic frequency control circuitry for a varactor tuner system

Also Published As

Publication number Publication date
FR2182932A1 (de) 1973-12-14
FR2182932B1 (de) 1976-11-12
GB1398356A (en) 1975-06-18
DE2221773B1 (de) 1973-08-30
JPS4956502A (de) 1974-06-01
DE2221773C2 (de) 1979-04-05
US3914700A (en) 1975-10-21
JPS5321801B2 (de) 1978-07-05

Similar Documents

Publication Publication Date Title
FR2182932B1 (de)
GB1361056A (en) Current translating circuits
GB914848A (en) Improvements in tunnel diode frequency changes
GB1094010A (en) Improved inductive reactance circuit
GB1094867A (en) Improvements in or relating to radio transmitters
ES413871A1 (es) Circuito detector de tension de cresta.
JPS53101250A (en) Transistor amplifier circuit
SE340126B (de)
GB1415516A (en) Capacitive computer circuits
ES334061A1 (es) Una disposicion de circuito de desviacion vertical para un tubo catodico.
JPS51147106A (en) Auto-tuning receiver
GB599985A (en) Improvements in or relating to the mounting of electrical components upon a chassis
GB1025732A (en) Improvements in composite electrical circuit units
AU435685B2 (en) High current transistor amplifier stage operable with low current biasing
GB762922A (en) Improvements relating to radio receivers with automatic station-selecting means
JPS5210654A (en) Transmission circuit equalization mode
AU1486866A (en) Tuning arrangement with resonant circuits tunable by capacitance diodes
JPS55158726A (en) Phase delay circuit
GB1022351A (en) Improvements relating to transistor circuits
CA744069A (en) Variable reactance network employing voltage controllable capacitance diode
GB1474724A (en) Linear r f power amplifiers
AU481929B2 (en) Circuit for stabilising the operating voltage fora line output stage transistor ina television receiver
GB1155393A (en) Improvements relating to High Frequency Amplifying Stages
CA946050A (en) Integrated circuit arrangement having d.c. coupled transistor stages biased by constant current sources
IT1043511B (it) Assteme cipcuitale logico perfezio nato