Post History
The output collector-emitter part of a transistor can be thought of as a 2-terminal SPST switch controlled by the input base-emitter voltage or base current. So this transistor switch can control o...
#4: Post edited
by
Circuit fantasist
·
2020-12-14T13:13:49Z (about 4 years ago)
Clarifying
- The output collector-emitter part of a transistor can be thought of as a 2-terminal SPST switch controlled by the input base-emitter voltage or base current. So this _transistor switch_ can control only a single collector load.
Is it possible to make the transistor act as a 3-terminal SPDT switch? If so, one transistor will be able to control two loads.- In general, can a SPST switch act as a SPDT switch?
- The output collector-emitter part of a transistor can be thought of as a 2-terminal SPST switch controlled by the input base-emitter voltage or base current. So this _transistor switch_ can control only a single collector load.
- Is it possible to make the transistor act as a 3-terminal SPDT switch? If so, one transistor will be able to control (switch between) two loads.
- In general, can a SPST switch act as a SPDT switch?
#3: Post edited
by
Circuit fantasist
·
2020-10-16T19:21:50Z (about 4 years ago)
Making the question more clear
Is it possible for one transistor to switch two loads?
- Is it possible for one transistor to switch between two loads?
#2: Post edited
by
Circuit fantasist
·
2020-10-16T09:34:21Z (about 4 years ago)
Generalizing the question
- The output collector-emitter part of a transistor can be thought of as a 2-terminal SPST switch controlled by the input base-emitter voltage or base current. So this _transistor switch_ can control only a single collector load.
Is it possible to make the transistor act as a 3-terminal SPDT switch? If so, one transistor will be able to control two loads.
- The output collector-emitter part of a transistor can be thought of as a 2-terminal SPST switch controlled by the input base-emitter voltage or base current. So this _transistor switch_ can control only a single collector load.
- Is it possible to make the transistor act as a 3-terminal SPDT switch? If so, one transistor will be able to control two loads.
- In general, can a SPST switch act as a SPDT switch?
#1: Initial revision
by
Circuit fantasist
·
2020-10-16T09:21:23Z (about 4 years ago)
Is it possible for one transistor to switch two loads?
The output collector-emitter part of a transistor can be thought of as a 2-terminal SPST switch controlled by the input base-emitter voltage or base current. So this _transistor switch_ can control only a single collector load. Is it possible to make the transistor act as a 3-terminal SPDT switch? If so, one transistor will be able to control two loads.