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GB2252215B - Circuit for simultaneous amplification of signals with different frequencies - Google Patents

Circuit for simultaneous amplification of signals with different frequencies

Info

Publication number
GB2252215B
GB2252215B GB9123660A GB9123660A GB2252215B GB 2252215 B GB2252215 B GB 2252215B GB 9123660 A GB9123660 A GB 9123660A GB 9123660 A GB9123660 A GB 9123660A GB 2252215 B GB2252215 B GB 2252215B
Authority
GB
United Kingdom
Prior art keywords
signals
circuit
different frequencies
simultaneous amplification
amplification
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 - Fee Related
Application number
GB9123660A
Other versions
GB2252215A (en
GB9123660D0 (en
Inventor
Risto Huusko
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.)
Nokia Oyj
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
Publication of GB9123660D0 publication Critical patent/GB9123660D0/en
Publication of GB2252215A publication Critical patent/GB2252215A/en
Application granted granted Critical
Publication of GB2252215B publication Critical patent/GB2252215B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • 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
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0037—Diplexers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
    • H03D9/06—Transference of modulation using distributed inductance and capacitance
    • H03D9/0658—Transference of modulation using distributed inductance and capacitance by means of semiconductor devices having more than two electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
GB9123660A 1990-11-07 1991-11-07 Circuit for simultaneous amplification of signals with different frequencies Expired - Fee Related GB2252215B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI905522A FI86676C (en) 1990-11-07 1990-11-07 KOPPLING FOER ATT SAMTIDIGT FOERSTAERKA SIGNALER MED OLIKA FREKVENSER MED ANVAENDNING AV SAMMA FOERSTAERKARE.

Publications (3)

Publication Number Publication Date
GB9123660D0 GB9123660D0 (en) 1992-01-02
GB2252215A GB2252215A (en) 1992-07-29
GB2252215B true GB2252215B (en) 1995-04-12

Family

ID=8531382

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9123660A Expired - Fee Related GB2252215B (en) 1990-11-07 1991-11-07 Circuit for simultaneous amplification of signals with different frequencies

Country Status (2)

Country Link
FI (1) FI86676C (en)
GB (1) GB2252215B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB897561A (en) * 1958-12-12 1962-05-30 Philips Electrical Ind Ltd Improvements in or relating to receiver circuit arrangements
GB1150485A (en) * 1967-01-25 1969-04-30 Classic Ind Inc Multiple Stage Reflex AM Receiver
GB2194110A (en) * 1986-07-14 1988-02-24 Era Patents Ltd Reflex microwave amplifier

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB897561A (en) * 1958-12-12 1962-05-30 Philips Electrical Ind Ltd Improvements in or relating to receiver circuit arrangements
GB1150485A (en) * 1967-01-25 1969-04-30 Classic Ind Inc Multiple Stage Reflex AM Receiver
GB2194110A (en) * 1986-07-14 1988-02-24 Era Patents Ltd Reflex microwave amplifier

Also Published As

Publication number Publication date
GB2252215A (en) 1992-07-29
GB9123660D0 (en) 1992-01-02
FI905522A0 (en) 1990-11-07
FI86676B (en) 1992-06-15
FI905522A7 (en) 1992-05-08
FI86676C (en) 1992-09-25

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041107