ATE103430T1 - Fm zwischenfrequenz-schaltung. - Google Patents

Fm zwischenfrequenz-schaltung.

Info

Publication number
ATE103430T1
ATE103430T1 AT89109186T AT89109186T ATE103430T1 AT E103430 T1 ATE103430 T1 AT E103430T1 AT 89109186 T AT89109186 T AT 89109186T AT 89109186 T AT89109186 T AT 89109186T AT E103430 T1 ATE103430 T1 AT E103430T1
Authority
AT
Austria
Prior art keywords
amplifier
limiter
level
signals
frequency circuit
Prior art date
Application number
AT89109186T
Other languages
English (en)
Inventor
Jouni Nyqvist
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Application granted granted Critical
Publication of ATE103430T1 publication Critical patent/ATE103430T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/06—Limiters of angle-modulated signals; such limiters combined with discriminators
    • 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
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • H03D3/244—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop combined with means for obtaining automatic gain control

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuits Of Receivers In General (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Peptides Or Proteins (AREA)
  • Detergent Compositions (AREA)
AT89109186T 1988-05-25 1989-05-22 Fm zwischenfrequenz-schaltung. ATE103430T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI882471A FI80172C (fi) 1988-05-25 1988-05-25 Fm-mellanfrekvenskrets.
EP89109186A EP0343569B1 (de) 1988-05-25 1989-05-22 FM Zwischenfrequenz-Schaltung

Publications (1)

Publication Number Publication Date
ATE103430T1 true ATE103430T1 (de) 1994-04-15

Family

ID=8526518

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89109186T ATE103430T1 (de) 1988-05-25 1989-05-22 Fm zwischenfrequenz-schaltung.

Country Status (5)

Country Link
US (1) US5212834A (de)
EP (1) EP0343569B1 (de)
AT (1) ATE103430T1 (de)
DE (1) DE68914027T2 (de)
FI (1) FI80172C (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5045446A (en) * 1988-08-26 1991-09-03 Cryopharm Corporation Lyophilization of cells
JPH07111484A (ja) * 1993-08-20 1995-04-25 Hitachi Ltd 無線通信装置
EP0785640B1 (de) * 1996-01-17 2002-11-06 Nokia Corporation Verfahren zur Ausdehnung des Bereichs eines Empfangssignalstärkenindikators und nach diesem Verfahren arbeitender Funksendeempfänger
KR100212055B1 (ko) * 1996-06-24 1999-08-02 윤종용 이동체 통신시스템의 수신신호세기 검출회로
WO2004029529A1 (de) 2002-09-18 2004-04-08 Sueverkruep Richard Verfahren zum herstellen einer zubereitung eines pharmazeutischen materials als lyophilisat und anlage hierfür
DE102008017461B4 (de) 2008-04-03 2010-04-15 Süverkrüp, Richard, Prof. Dr. Vorrichtung und Verfahren zur Herstellung eines pulverförmigen lyophilisierten Materials, bestehend aus annähernd gleich großen kugelförmigen Teilchen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3279518D1 (en) * 1981-03-06 1989-04-13 Atomic Energy Authority Uk Logarithmic amplifiers
JPS58184831A (ja) * 1982-04-22 1983-10-28 Sony Corp Ｆｍ受信機
NL8601844A (nl) * 1986-07-15 1988-02-01 Philips Nv Demodulatorschakeling.

Also Published As

Publication number Publication date
FI80172C (fi) 1990-04-10
EP0343569A2 (de) 1989-11-29
US5212834A (en) 1993-05-18
FI80172B (fi) 1989-12-29
DE68914027D1 (de) 1994-04-28
EP0343569B1 (de) 1994-03-23
FI882471A0 (fi) 1988-05-25
EP0343569A3 (en) 1990-08-22
DE68914027T2 (de) 1994-07-07

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties