GB650594A - Improvements in or relating to detector circuits for amplitude modulated carrier waves - Google Patents

Improvements in or relating to detector circuits for amplitude modulated carrier waves

Info

Publication number
GB650594A
GB650594A GB1844048A GB1844048A GB650594A GB 650594 A GB650594 A GB 650594A GB 1844048 A GB1844048 A GB 1844048A GB 1844048 A GB1844048 A GB 1844048A GB 650594 A GB650594 A GB 650594A
Authority
GB
United Kingdom
Prior art keywords
circuit
detector
inductance
relating
carrier waves
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
GB1844048A
Inventor
Walter Leslie Watton
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB1844048A priority Critical patent/GB650594A/en
Publication of GB650594A publication Critical patent/GB650594A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)

Abstract

650,594. Valve circuits for radio reception. ELECTRIC & MUSICAL INDUSTRIES, Ltd. July 9, 1948, No. 18440. [Class 40 (v)] Distortion is prevented in a diode or like detector circuit by making the variation of amplitude and phase with frequency in either direction from the carrier frequency in the input circuit the same as the corresponding variation as the frequency varies from zero in the detector load circuit. The detector load may comprise resistance R3, Fig. 1, and shunt capacity C3, the tuned input circuit L, C1 being adjusted to have a similar amplitude and phasevariation characteristic. The load circuit may also include inductance L3, Fig. 2, a corresponding response being obtained in the input circuit by means of inductance L2, capacity C2 and resistance R2 connected in series across a tap on the inductance L1.
GB1844048A 1948-07-09 1948-07-09 Improvements in or relating to detector circuits for amplitude modulated carrier waves Expired GB650594A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1844048A GB650594A (en) 1948-07-09 1948-07-09 Improvements in or relating to detector circuits for amplitude modulated carrier waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1844048A GB650594A (en) 1948-07-09 1948-07-09 Improvements in or relating to detector circuits for amplitude modulated carrier waves

Publications (1)

Publication Number Publication Date
GB650594A true GB650594A (en) 1951-02-28

Family

ID=10112471

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1844048A Expired GB650594A (en) 1948-07-09 1948-07-09 Improvements in or relating to detector circuits for amplitude modulated carrier waves

Country Status (1)

Country Link
GB (1) GB650594A (en)

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