GB2331418A9 - Low voltage single-ended to differential amplifier with input transistors in common base and common emitter configurations - Google Patents

Low voltage single-ended to differential amplifier with input transistors in common base and common emitter configurations

Info

Publication number
GB2331418A9
GB2331418A9 GB9816128A GB9816128A GB2331418A9 GB 2331418 A9 GB2331418 A9 GB 2331418A9 GB 9816128 A GB9816128 A GB 9816128A GB 9816128 A GB9816128 A GB 9816128A GB 2331418 A9 GB2331418 A9 GB 2331418A9
Authority
GB
United Kingdom
Prior art keywords
common
ended
low voltage
differential amplifier
input transistors
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.)
Granted
Application number
GB9816128A
Other versions
GB9816128D0 (en
GB2331418A (en
GB2331418B (en
Inventor
Jeffrey Michael Hond Smith
Colin Leslie Perry
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.)
Microsemi Semiconductor Ltd
Original Assignee
Mitel Semiconductor 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 of GB2331418A9 publication Critical patent/GB2331418A9/en
Application filed by Mitel Semiconductor Ltd filed Critical Mitel Semiconductor Ltd
Publication of GB9816128D0 publication Critical patent/GB9816128D0/en
Priority to DE69814309T priority Critical patent/DE69814309T2/en
Priority to EP98308484A priority patent/EP0917285B1/en
Priority to US09/185,837 priority patent/US6043710A/en
Priority to JP32340398A priority patent/JP3892160B2/en
Publication of GB2331418A publication Critical patent/GB2331418A/en
Application granted granted Critical
Publication of GB2331418B publication Critical patent/GB2331418B/en
Priority to JP2006282272A priority patent/JP4794410B2/en
Anticipated expiration legal-status Critical
Revoked 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
    • H03F3/26—Push-pull amplifiers; Phase-splitters therefor
    • 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
    • H03D7/14—Balanced arrangements
    • 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
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1433—Balanced arrangements with transistors using bipolar transistors
    • 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
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1458—Double balanced arrangements, i.e. where both input signals are differential
    • 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
    • H03D2200/0033—Current mirrors
    • 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
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0043—Bias and operating point
    • 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
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0084—Lowering the supply voltage and saving power

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB9816128A 1997-11-14 1998-07-24 Low-voltage amplifiers Revoked GB2331418B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE69814309T DE69814309T2 (en) 1997-11-14 1998-10-16 Low Voltage Amplifier
EP98308484A EP0917285B1 (en) 1997-11-14 1998-10-16 Low-voltage amplifiers
US09/185,837 US6043710A (en) 1997-11-14 1998-11-04 Low-voltage amplifiers
JP32340398A JP3892160B2 (en) 1997-11-14 1998-11-13 Low voltage amplifier
JP2006282272A JP4794410B2 (en) 1997-11-14 2006-10-17 Low voltage amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9724136.8A GB9724136D0 (en) 1997-11-14 1997-11-14 Low-voltage amplifier

Publications (4)

Publication Number Publication Date
GB2331418A9 true GB2331418A9 (en)
GB9816128D0 GB9816128D0 (en) 1998-09-23
GB2331418A GB2331418A (en) 1999-05-19
GB2331418B GB2331418B (en) 2003-01-15

Family

ID=10822119

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9724136.8A Ceased GB9724136D0 (en) 1997-11-14 1997-11-14 Low-voltage amplifier
GB9816128A Revoked GB2331418B (en) 1997-11-14 1998-07-24 Low-voltage amplifiers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9724136.8A Ceased GB9724136D0 (en) 1997-11-14 1997-11-14 Low-voltage amplifier

Country Status (1)

Country Link
GB (2) GB9724136D0 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2695272B1 (en) * 1992-08-26 1994-12-09 Philips Composants Mixer circuit for radio or television signals.
US5365192A (en) * 1993-08-11 1994-11-15 Trimble Navigation Limited AC-coupled single-ended or differential-input radio frequency amplifier integrated circuit
US5826182A (en) * 1995-01-25 1998-10-20 Analog Devices, Inc. Double balanced RF mixer with predetermined input impedance

Also Published As

Publication number Publication date
GB9724136D0 (en) 1998-01-14
GB9816128D0 (en) 1998-09-23
GB2331418A (en) 1999-05-19
GB2331418B (en) 2003-01-15

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Legal Events

Date Code Title Description
773K Patent revoked under sect. 73(2)/1977

Free format text: PATENT REVOKED ON 20050315