GB670671A - Improvements in or relating to thermionic valve integrating circuits - Google Patents
Improvements in or relating to thermionic valve integrating circuitsInfo
- Publication number
- GB670671A GB670671A GB22807/49A GB2280749A GB670671A GB 670671 A GB670671 A GB 670671A GB 22807/49 A GB22807/49 A GB 22807/49A GB 2280749 A GB2280749 A GB 2280749A GB 670671 A GB670671 A GB 670671A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- diode
- miller
- saw
- anode
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
- G06G7/184—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements
- G06G7/186—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements using an operational amplifier comprising a capacitor or a resistor in the feedback loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
- H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
- H03K4/12—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor
- H03K4/20—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor using a tube with negative feedback by capacitor, e.g. Miller integrator
- H03K4/22—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor using a tube with negative feedback by capacitor, e.g. Miller integrator combined with transitron, e.g. phantastron, sanatron
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Hybrid Cells (AREA)
- Electronic Switches (AREA)
Abstract
670,671. Saw-tooth generating circuits; integrating circuits. GENERAL ELECTRIC CO., Ltd. Aug. 21, 1950 [Sept. 2, 1949], No. 22807/49. Class 40 (vi). An integrating or saw-tooth generator circuit comprises a Miller valve the anode of which is connected via a diode to a further valve and means for biasing an electrode of each valve to render each non-conducting so that the Miller capacitor is rapidly re-charged at the end of its linear " run-down period via the diode and a low value resistor in the anode circuit of the further valve. The Figure shows a saw-tooth generator circuit comprising a Miller valve 1. When switch 11 is opened both valves 1 and 5 are rendered conducting and the anode potential of the Miller valve falls linearly in a conventional manner, diode 7 being non-conducting during this period. At the end of the " run-down " switch 11 is made, so that both valves 1 and 5 are rendered non-conducting, the anode potential of valve 5 rises rapidly and diode 7 conducts. Capacitor 4 is thus re-charged very rapidly via diode 7 and the low value resistor 6 thus shortening the fly-back period of the saw-tooth output wave form which may be taken between the anode and cathode of the Miller valve 1. When the circuit is used as an integrating circuit the voltage to be integrated is applied between the control grid and cathode of valve 1.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB22807/49A GB670671A (en) | 1949-09-02 | 1949-09-02 | Improvements in or relating to thermionic valve integrating circuits |
US182201A US2582490A (en) | 1949-09-02 | 1950-08-30 | Thermionic valve integrating circuit |
FR1025065D FR1025065A (en) | 1949-09-02 | 1950-08-31 | Improvements to electronic tube integrator assemblies |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB22807/49A GB670671A (en) | 1949-09-02 | 1949-09-02 | Improvements in or relating to thermionic valve integrating circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
GB670671A true GB670671A (en) | 1952-04-23 |
Family
ID=10185368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22807/49A Expired GB670671A (en) | 1949-09-02 | 1949-09-02 | Improvements in or relating to thermionic valve integrating circuits |
Country Status (3)
Country | Link |
---|---|
US (1) | US2582490A (en) |
FR (1) | FR1025065A (en) |
GB (1) | GB670671A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2761968A (en) * | 1953-01-09 | 1956-09-04 | Milton L Kuder | Electronic analogue-to-digital converters |
US2836718A (en) * | 1954-05-12 | 1958-05-27 | Hughes Aircraft Co | Pulse amplitude multiplier |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2141343A (en) * | 1935-06-07 | 1938-12-27 | Philco Radio & Television Corp | Electrical system |
BE481371A (en) * | 1942-02-17 |
-
1949
- 1949-09-02 GB GB22807/49A patent/GB670671A/en not_active Expired
-
1950
- 1950-08-30 US US182201A patent/US2582490A/en not_active Expired - Lifetime
- 1950-08-31 FR FR1025065D patent/FR1025065A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2582490A (en) | 1952-01-15 |
FR1025065A (en) | 1953-04-10 |
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