DE1120324B - Signalverstaerker mit Transistoren fuer tragbare Rufsignalempfaenger - Google Patents

Signalverstaerker mit Transistoren fuer tragbare Rufsignalempfaenger

Info

Publication number
DE1120324B
DE1120324B DEA32053A DEA0032053A DE1120324B DE 1120324 B DE1120324 B DE 1120324B DE A32053 A DEA32053 A DE A32053A DE A0032053 A DEA0032053 A DE A0032053A DE 1120324 B DE1120324 B DE 1120324B
Authority
DE
Germany
Prior art keywords
stage
transistors
signal
amplifier
call 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.)
Pending
Application number
DEA32053A
Other languages
German (de)
English (en)
Inventor
Dipl-El-Ing Heinrich Koenig
Dipl-Techn Gottfried Tschannen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Schweiz AG
Original Assignee
Siemens Albis AG
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 Siemens Albis AG filed Critical Siemens Albis AG
Publication of DE1120324B publication Critical patent/DE1120324B/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
    • G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0244—Stepped control
    • 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
    • H04B1/1607—Supply circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0241—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where no transmission is received, e.g. out of range of the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H04W52/0277—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof according to available power supply, e.g. switching off when a low battery condition is detected
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/022—Selective call receivers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Mobile Radio Communication Systems (AREA)
DEA32053A 1959-04-27 1959-05-15 Signalverstaerker mit Transistoren fuer tragbare Rufsignalempfaenger Pending DE1120324B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH7260059A CH369047A (de) 1959-04-27 1959-04-27 Tragbarer Rufsignalempfänger mit Transistor-Signalverstärker

Publications (1)

Publication Number Publication Date
DE1120324B true DE1120324B (de) 1961-12-21

Family

ID=4531928

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA32053A Pending DE1120324B (de) 1959-04-27 1959-05-15 Signalverstaerker mit Transistoren fuer tragbare Rufsignalempfaenger

Country Status (4)

Country Link
CH (1) CH369047A (enrdf_load_stackoverflow)
DE (1) DE1120324B (enrdf_load_stackoverflow)
GB (1) GB908100A (enrdf_load_stackoverflow)
NL (1) NL267845A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE574457C (de) * 1929-03-30 1933-04-13 Rca Corp Verfahren zur Verminderung des Anodenstromverbrauchs in einem Verstaerkerkreis
DE654641C (de) * 1932-04-30 1937-12-28 Philips Patentverwaltung Verfahren zur Verminderung des Anodenstromverbrauches in Verstaerkerstufen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE574457C (de) * 1929-03-30 1933-04-13 Rca Corp Verfahren zur Verminderung des Anodenstromverbrauchs in einem Verstaerkerkreis
DE654641C (de) * 1932-04-30 1937-12-28 Philips Patentverwaltung Verfahren zur Verminderung des Anodenstromverbrauches in Verstaerkerstufen

Also Published As

Publication number Publication date
CH369047A (de) 1963-04-30
GB908100A (en) 1962-10-17
NL267845A (enrdf_load_stackoverflow) 1900-01-01

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