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 signalInfo
- 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- Withdrawn
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)
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)
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)
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 |
-
2009
- 2009-04-20 GB GB0906726A patent/GB2469629A/en not_active Withdrawn
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) |