GB2301248B - Amplifying circuit and method for determining optimal bias voltages therein - Google Patents

Amplifying circuit and method for determining optimal bias voltages therein

Info

Publication number
GB2301248B
GB2301248B GB9510666A GB9510666A GB2301248B GB 2301248 B GB2301248 B GB 2301248B GB 9510666 A GB9510666 A GB 9510666A GB 9510666 A GB9510666 A GB 9510666A GB 2301248 B GB2301248 B GB 2301248B
Authority
GB
United Kingdom
Prior art keywords
amplifying circuit
bias voltages
determining optimal
optimal bias
determining
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
GB9510666A
Other versions
GB2301248A (en
GB9510666D0 (en
Inventor
Bernhard Frerichs
Klaus Dirksmeier
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.)
Motorola Solutions Germany GmbH
Original Assignee
Motorola GmbH
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 Motorola GmbH filed Critical Motorola GmbH
Priority to GB9510666A priority Critical patent/GB2301248B/en
Priority to GB0003498A priority patent/GB2345211B/en
Publication of GB9510666D0 publication Critical patent/GB9510666D0/en
Publication of GB2301248A publication Critical patent/GB2301248A/en
Application granted granted Critical
Publication of GB2301248B publication Critical patent/GB2301248B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB9510666A 1995-05-25 1995-05-25 Amplifying circuit and method for determining optimal bias voltages therein Expired - Fee Related GB2301248B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9510666A GB2301248B (en) 1995-05-25 1995-05-25 Amplifying circuit and method for determining optimal bias voltages therein
GB0003498A GB2345211B (en) 1995-05-25 1995-05-25 Programming means for setting optimal bias voltages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9510666A GB2301248B (en) 1995-05-25 1995-05-25 Amplifying circuit and method for determining optimal bias voltages therein

Publications (3)

Publication Number Publication Date
GB9510666D0 GB9510666D0 (en) 1995-07-19
GB2301248A GB2301248A (en) 1996-11-27
GB2301248B true GB2301248B (en) 2000-08-09

Family

ID=10775065

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0003498A Expired - Fee Related GB2345211B (en) 1995-05-25 1995-05-25 Programming means for setting optimal bias voltages
GB9510666A Expired - Fee Related GB2301248B (en) 1995-05-25 1995-05-25 Amplifying circuit and method for determining optimal bias voltages therein

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0003498A Expired - Fee Related GB2345211B (en) 1995-05-25 1995-05-25 Programming means for setting optimal bias voltages

Country Status (1)

Country Link
GB (2) GB2345211B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6043706A (en) * 1999-02-05 2000-03-28 Ericsson Inc. Methods and apparatus for controlling power amplifier quiescent current in a wireless communication device
US7027789B2 (en) * 2000-09-11 2006-04-11 Xytrans, Inc. Self-tuned millimeter wave RF transceiver module
US6873044B2 (en) 2000-09-11 2005-03-29 Xytrans, Inc. Microwave monolithic integrated circuit package
GB0028689D0 (en) * 2000-11-24 2001-01-10 Qualcomm Uk Ltd Amplifier circuit
US6515545B1 (en) * 2001-08-17 2003-02-04 Harris Corporation RF power amplifier transistor quiescent current checking and adjusting
US6573796B2 (en) * 2001-09-24 2003-06-03 Infineon Technologies Ag Automatic LDMOS biasing with long term hot carrier compensation
GB2381681A (en) * 2001-10-31 2003-05-07 Motorola Inc Automatic transmitter bias adjustment between TDMA slots
EP1526636A1 (en) * 2003-10-23 2005-04-27 Broadcom Corporation High linearity, high efficiency power amplifier with DSP assisted linearity optimization
US7421254B2 (en) 2003-10-23 2008-09-02 Broadcom Corporation High linearity, high efficiency power amplifier with DSP assisted linearity optimization
US7355478B2 (en) * 2006-06-30 2008-04-08 Andrew Corporation RF amplifier with pulse detection and bias control
US9166533B2 (en) 2009-07-30 2015-10-20 Qualcomm Incorporated Bias current monitor and control mechanism for amplifiers
WO2019107264A1 (en) * 2017-12-01 2019-06-06 株式会社村田製作所 Amplifying device, method for manufacturing amplifying device, and method for correcting bias current

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0401013A2 (en) * 1989-05-31 1990-12-05 Nec Corporation High frequency amplifier circuit capable of optimizing a total power consumption

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0401013A2 (en) * 1989-05-31 1990-12-05 Nec Corporation High frequency amplifier circuit capable of optimizing a total power consumption

Also Published As

Publication number Publication date
GB2301248A (en) 1996-11-27
GB2345211B (en) 2000-08-09
GB0003498D0 (en) 2000-04-05
GB2345211A (en) 2000-06-28
GB9510666D0 (en) 1995-07-19

Similar Documents

Publication Publication Date Title
AU2031497A (en) Improved integrated circuit and process for using an integrated circuit of this type
GB2319839B (en) Signal amplification method and kit
AU7109298A (en) Improved signal processing apparatus and method
EP1020026A4 (en) Apparatus and method for amplifying a signal
AU2433597A (en) Structrure and method for supporting one or more electronic components
GB9718193D0 (en) Exponentiation Circuit Utilizing Shift Means and Method of Using Same
GB9713888D0 (en) Doherty-type amplifier and tuning method
AU5843898A (en) Receiving device and signal receiving method
EP0860942A4 (en) Tuning amplifier
GB2317044B (en) An optical amplifier and an optical amplification method
GB2311671B (en) Amplifier circuit
ZA948745B (en) An amplifier
GB2301248B (en) Amplifying circuit and method for determining optimal bias voltages therein
EP0691735A3 (en) Amplifier arrangement and receiver circuit therefor
GB2327308B (en) Method and apparatus for amplifying a signal
SG48472A1 (en) Oscillation circuit and oscillation method
FI952674A0 (en) Method and circuit arrangement for handling an interfering signal
GB2305038B (en) Amplifier circuit
IL125728A (en) Differential output amplifier arrangement and method for tuning the output impedance of such an amplifier
AU8073494A (en) Amplifier calibration apparatus and method therefor
GB9605228D0 (en) Sense amplifier circuit
EP0721099A3 (en) Sensor circuit and method for compensation
GB2330915B (en) Pluck-resistance measuring instrument and method for snap members
AU1775699A (en) Signal processing apparatus and method
AU690882B3 (en) Measurement apparatus and method

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090525