GB2215930B - Improvements in or relating to sub-carrier reception - Google Patents

Improvements in or relating to sub-carrier reception

Info

Publication number
GB2215930B
GB2215930B GB8806083A GB8806083A GB2215930B GB 2215930 B GB2215930 B GB 2215930B GB 8806083 A GB8806083 A GB 8806083A GB 8806083 A GB8806083 A GB 8806083A GB 2215930 B GB2215930 B GB 2215930B
Authority
GB
United Kingdom
Prior art keywords
relating
sub
carrier reception
reception
carrier
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 - Lifetime
Application number
GB8806083A
Other versions
GB8806083D0 (en
GB2215930A (en
Inventor
Henry William Hawkes
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB8806083A priority Critical patent/GB2215930B/en
Publication of GB8806083D0 publication Critical patent/GB8806083D0/en
Publication of GB2215930A publication Critical patent/GB2215930A/en
Application granted granted Critical
Publication of GB2215930B publication Critical patent/GB2215930B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2245—Homodyne or synchrodyne circuits using two quadrature channels
    • H03D1/2254—Homodyne or synchrodyne circuits using two quadrature channels and a phase locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/02—Details
    • H03D1/06—Modifications of demodulators to reduce distortion, e.g. by negative feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)
GB8806083A 1988-03-15 1988-03-15 Improvements in or relating to sub-carrier reception Expired - Lifetime GB2215930B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8806083A GB2215930B (en) 1988-03-15 1988-03-15 Improvements in or relating to sub-carrier reception

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8806083A GB2215930B (en) 1988-03-15 1988-03-15 Improvements in or relating to sub-carrier reception

Publications (3)

Publication Number Publication Date
GB8806083D0 GB8806083D0 (en) 1988-04-13
GB2215930A GB2215930A (en) 1989-09-27
GB2215930B true GB2215930B (en) 1992-09-16

Family

ID=10633435

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8806083A Expired - Lifetime GB2215930B (en) 1988-03-15 1988-03-15 Improvements in or relating to sub-carrier reception

Country Status (1)

Country Link
GB (1) GB2215930B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4418692A1 (en) * 1994-05-28 1995-11-30 Ant Nachrichtentech Receiver for double sideband modulated signals

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1017227A (en) * 1963-02-13 1966-01-19 Csf Automatic frequency control system for single side-band receivers
GB2099245A (en) * 1981-05-26 1982-12-01 Philips Electronic Associated Demodulating an amplitude modulated signal
GB2152311A (en) * 1983-12-30 1985-07-31 Ates Componenti Elettron Synchronous demodulator for amplitude modulated signals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1017227A (en) * 1963-02-13 1966-01-19 Csf Automatic frequency control system for single side-band receivers
GB2099245A (en) * 1981-05-26 1982-12-01 Philips Electronic Associated Demodulating an amplitude modulated signal
GB2152311A (en) * 1983-12-30 1985-07-31 Ates Componenti Elettron Synchronous demodulator for amplitude modulated signals

Also Published As

Publication number Publication date
GB8806083D0 (en) 1988-04-13
GB2215930A (en) 1989-09-27

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Legal Events

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

Effective date: 19950315