GB893943A - Improvements relating to bistable electronic circuits - Google Patents
Improvements relating to bistable electronic circuitsInfo
- Publication number
- GB893943A GB893943A GB3571759A GB3571759A GB893943A GB 893943 A GB893943 A GB 893943A GB 3571759 A GB3571759 A GB 3571759A GB 3571759 A GB3571759 A GB 3571759A GB 893943 A GB893943 A GB 893943A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transistor
- gate
- pulses
- base
- cut
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/04—Shaping pulses by increasing duration; by decreasing duration
- H03K5/05—Shaping pulses by increasing duration; by decreasing duration by the use of clock signals or other time reference signals
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Electronic Switches (AREA)
Abstract
893,943. Transistor bi-stable circuits. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Oct. 3, 1960 [Oct. 21, 1959], No. 35717/59. Class 40(6). A bi-stable circuit comprises a transistor 1 to the base of which is connected a gate 5, through which pulses may pass to the base, the pulses being of such an amplitude and repetition rate that the transistor is held saturated, and a direct connection from the collector to the gate whereby the gate is held closed or open depending on whether or not the transistor is cut off or conducting. Transistor 1 is normally biased to cut off by the positive line +V, and pulses from the pulse generator 6 pass through diode D2 to cause the transistor to saturate, storage in the base ensuring that it remains saturated during intervals between pulses. When transistor 1 is saturated, the potential at B due to connection 7 is such that the gate remains open to allow the pulses to reach the base. Application of a negative pulse to I will close the gate causing the transistor to cut off. The potential fed over lead 7 to B is now such as to hold the gate shut until a positive pulse is applied to I to re-open it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3571759A GB893943A (en) | 1959-10-21 | 1959-10-21 | Improvements relating to bistable electronic circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3571759A GB893943A (en) | 1959-10-21 | 1959-10-21 | Improvements relating to bistable electronic circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB893943A true GB893943A (en) | 1962-04-18 |
Family
ID=10380807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3571759A Expired GB893943A (en) | 1959-10-21 | 1959-10-21 | Improvements relating to bistable electronic circuits |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB893943A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2146852A5 (en) * | 1971-07-22 | 1973-03-02 | Westinghouse Electric Corp |
-
1959
- 1959-10-21 GB GB3571759A patent/GB893943A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2146852A5 (en) * | 1971-07-22 | 1973-03-02 | Westinghouse Electric Corp |
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