GB2160377B - Frequency synthesizers - Google Patents

Frequency synthesizers

Info

Publication number
GB2160377B
GB2160377B GB08514480A GB8514480A GB2160377B GB 2160377 B GB2160377 B GB 2160377B GB 08514480 A GB08514480 A GB 08514480A GB 8514480 A GB8514480 A GB 8514480A GB 2160377 B GB2160377 B GB 2160377B
Authority
GB
United Kingdom
Prior art keywords
frequency synthesizers
synthesizers
frequency
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
Application number
GB08514480A
Other versions
GB2160377A (en
GB8514480D0 (en
Inventor
Mark Andre Stinchcombe
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.)
BAE Systems PLC
Original Assignee
British Aerospace PLC
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 British Aerospace PLC filed Critical British Aerospace PLC
Publication of GB8514480D0 publication Critical patent/GB8514480D0/en
Publication of GB2160377A publication Critical patent/GB2160377A/en
Application granted granted Critical
Publication of GB2160377B publication Critical patent/GB2160377B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06J—HYBRID COMPUTING ARRANGEMENTS
    • G06J1/00—Hybrid computing arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/035—Reduction of table size
    • G06F1/0353—Reduction of table size by using symmetrical properties of the function, e.g. using most significant bits for quadrant control

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Automation & Control Theory (AREA)
  • Evolutionary Computation (AREA)
  • Fuzzy Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
GB08514480A 1984-06-14 1985-06-07 Frequency synthesizers Expired GB2160377B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8415144 1984-06-14

Publications (3)

Publication Number Publication Date
GB8514480D0 GB8514480D0 (en) 1985-07-10
GB2160377A GB2160377A (en) 1985-12-18
GB2160377B true GB2160377B (en) 1987-08-19

Family

ID=10562408

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08514480A Expired GB2160377B (en) 1984-06-14 1985-06-07 Frequency synthesizers

Country Status (1)

Country Link
GB (1) GB2160377B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4121970A1 (en) * 1991-06-29 1993-01-07 Funkwerk Koepenick Gmbh I A Digital synthesiser for communications transmitter and receiver and for generator in measurement engineering - has complementary XOR coupled behind D-latch, controlled by system clock pulse
GB2277010B (en) * 1993-03-01 1997-09-17 Texas Instruments Ltd A method of generation and demodulation of modulated signals and radio transmitters and receivers using the method
US5519343A (en) * 1995-07-10 1996-05-21 Fluke Corporation Two channel direct digital synthesizer with waveform memory interleaving circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1359212A (en) * 1971-04-20 1974-07-10 Elliott Brothers London Ltd Waveform generator and phase shifter
CA1124338A (en) * 1980-03-21 1982-05-25 James K. Reichert Variable phase lock control
GB2078455B (en) * 1980-05-21 1983-11-16 Secretary Industry Brit Phased waveform generation

Also Published As

Publication number Publication date
GB2160377A (en) 1985-12-18
GB8514480D0 (en) 1985-07-10

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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: 19980607