GB491736A - Improvements in and relating to the generation of oscillations of saw-tooth wave form - Google Patents

Improvements in and relating to the generation of oscillations of saw-tooth wave form

Info

Publication number
GB491736A
GB491736A GB805237A GB805237A GB491736A GB 491736 A GB491736 A GB 491736A GB 805237 A GB805237 A GB 805237A GB 805237 A GB805237 A GB 805237A GB 491736 A GB491736 A GB 491736A
Authority
GB
United Kingdom
Prior art keywords
valve
condenser
grid
saw
resistance
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
GB805237A
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.)
EDWIN JOHN ALWAY
Original Assignee
EDWIN JOHN ALWAY
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 EDWIN JOHN ALWAY filed Critical EDWIN JOHN ALWAY
Priority to GB805237A priority Critical patent/GB491736A/en
Publication of GB491736A publication Critical patent/GB491736A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K6/00—Manipulating pulses having a finite slope and not covered by one of the other main groups of this subclass
    • H03K6/02—Amplifying pulses

Landscapes

  • Electrophonic Musical Instruments (AREA)

Abstract

491,736. Valve generating circuits. ALWAY, E. J. March 18, 1937, No. 8052. [Class 40 (v)] The characteristic of an amplifying valve is selected so that rectilinear saw tooth waves are produced when the grid potential is varied in accordance with the exponential discharge of a condenser. The condenser 2 is charged through valve 3 or through a separate rectifier when a synchronizing pulse is received and is discharged slowly through resistance 4. The voltage on the grid of valve 3 varies exponentially but the valve is so chosen that its curvature characteristic compensates for the exponential grid variation and the current in the anode circuit has an approximately rectilinear relation to time. The output of valve 3 is taken off through condenser 8 to terminal 10. To provide a balanced output a second valve 12 may be connected as shown, the balanced output being taken off at 10, 18. Adjustment of the tapping on resistance 20 enables any bias to be superimposed on the saw tooth oscillation.
GB805237A 1937-03-18 1937-03-18 Improvements in and relating to the generation of oscillations of saw-tooth wave form Expired GB491736A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB805237A GB491736A (en) 1937-03-18 1937-03-18 Improvements in and relating to the generation of oscillations of saw-tooth wave form

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB805237A GB491736A (en) 1937-03-18 1937-03-18 Improvements in and relating to the generation of oscillations of saw-tooth wave form

Publications (1)

Publication Number Publication Date
GB491736A true GB491736A (en) 1938-09-08

Family

ID=9844856

Family Applications (1)

Application Number Title Priority Date Filing Date
GB805237A Expired GB491736A (en) 1937-03-18 1937-03-18 Improvements in and relating to the generation of oscillations of saw-tooth wave form

Country Status (1)

Country Link
GB (1) GB491736A (en)

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