GB932555A - Improvements in or relating to transistor switching circuit arrangements - Google Patents
Improvements in or relating to transistor switching circuit arrangementsInfo
- Publication number
- GB932555A GB932555A GB2698758A GB2698758A GB932555A GB 932555 A GB932555 A GB 932555A GB 2698758 A GB2698758 A GB 2698758A GB 2698758 A GB2698758 A GB 2698758A GB 932555 A GB932555 A GB 932555A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transistor
- diode
- resistor
- circuit
- transistor switching
- 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
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
- H03K19/08—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices
- H03K19/082—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using bipolar transistors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Electronic Switches (AREA)
Abstract
932,555. Transistor switching circuits. ELECTRIC & MUSICAL INDUSTRIES Ltd. Aug. 20, 1959 [Aug. 22, 1958], No. 26987/58. Class 40 (6). A transistor switching circuit comprises a transistor 1 which is switched to the " ON " state by an input pulse at terminal 13, and which is provided with a base biasing network comprising the series combination of a first resistor 8, a diode 9 and a second resistor 10, the arrangement being such that input pulses applied to the junction of diode 9 and resistor 10 cut-off the diode, allowing the transistor to conduct. The diode thus isolates the transistor from the input circuit during the application of an input pulse. A second diode 15 may be included in the circuit to prevent the junction of the resistor 10 and diode 9 rising above earth. A gating circuit may be formed by using the transistor and its load 5 as the common emitter impedance of a pair of transistors, to the base of one of which signals to be gated are applied. The switch may also be included in the emitter circuit of one transistor of a multivibrator to switch it on and off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2698758A GB932555A (en) | 1958-08-22 | 1958-08-22 | Improvements in or relating to transistor switching circuit arrangements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2698758A GB932555A (en) | 1958-08-22 | 1958-08-22 | Improvements in or relating to transistor switching circuit arrangements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB932555A true GB932555A (en) | 1963-07-31 |
Family
ID=10252346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2698758A Expired GB932555A (en) | 1958-08-22 | 1958-08-22 | Improvements in or relating to transistor switching circuit arrangements |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB932555A (en) |
-
1958
- 1958-08-22 GB GB2698758A patent/GB932555A/en not_active Expired
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