GB0906726D0 - Method and apparatus for synthesising a waveform and method and apparatus for generating a lo signal - Google Patents

Method and apparatus for synthesising a waveform and method and apparatus for generating a lo signal

Info

Publication number
GB0906726D0
GB0906726D0 GBGB0906726.5A GB0906726A GB0906726D0 GB 0906726 D0 GB0906726 D0 GB 0906726D0 GB 0906726 A GB0906726 A GB 0906726A GB 0906726 D0 GB0906726 D0 GB 0906726D0
Authority
GB
United Kingdom
Prior art keywords
synthesising
waveform
generating
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.)
Withdrawn
Application number
GBGB0906726.5A
Other versions
GB2469629A (en
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.)
ITI Scotland Ltd
Original Assignee
ITI Scotland 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 ITI Scotland Ltd filed Critical ITI Scotland Ltd
Priority to GB0906726A priority Critical patent/GB2469629A/en
Publication of GB0906726D0 publication Critical patent/GB0906726D0/en
Publication of GB2469629A publication Critical patent/GB2469629A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B27/00—Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/06—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes
    • H03B19/14—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a semiconductor device
    • 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
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/02—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform
    • H03K4/026—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform using digital techniques
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/13—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
    • 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
    • H04B1/26—Circuits for superheterodyne receivers
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/717—Pulse-related aspects
    • H04B1/7174—Pulse generation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB0906726A 2009-04-20 2009-04-20 Synthesising a local oscillator waveform Withdrawn GB2469629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0906726A GB2469629A (en) 2009-04-20 2009-04-20 Synthesising a local oscillator waveform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0906726A GB2469629A (en) 2009-04-20 2009-04-20 Synthesising a local oscillator waveform

Publications (2)

Publication Number Publication Date
GB0906726D0 true GB0906726D0 (en) 2009-06-03
GB2469629A GB2469629A (en) 2010-10-27

Family

ID=40774632

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0906726A Withdrawn GB2469629A (en) 2009-04-20 2009-04-20 Synthesising a local oscillator waveform

Country Status (1)

Country Link
GB (1) GB2469629A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8639206B1 (en) * 2012-10-05 2014-01-28 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for quadrature mixer circuits

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2336831A1 (en) * 1975-12-24 1977-07-22 Texas Instruments France Low frequency tone generator - for telephone and general communications uses quartz clock with three frequency dividers
JPS55162601A (en) * 1979-06-05 1980-12-18 Nec Corp Sinusoidal wave generating circuit
US7190943B2 (en) * 2003-09-16 2007-03-13 Microtune (Texas), L.P. System and method for frequency translation with harmonic suppression using mixer stages
US7224235B2 (en) * 2004-12-16 2007-05-29 Rf Magic, Inc. Phase-accurate multi-phase wide-band radio frequency local oscillator generator

Also Published As

Publication number Publication date
GB2469629A (en) 2010-10-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)