Esaki diode
E186747
The Esaki diode is a heavily doped semiconductor tunnel diode that exhibits negative differential resistance, enabling high-speed and microwave-frequency electronic applications.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Esaki diode canonical | 6 |
| tunnel diode | 2 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
electronic component
ⓘ
semiconductor device ⓘ tunnel diode ⓘ |
| advantage |
useful for compact microwave circuits
ⓘ
very high speed due to tunneling ⓘ |
| basedOnPrinciple |
overlap of conduction and valence bands in heavily doped junctions
ⓘ
quantum tunneling ⓘ |
| commercializedIn | 1960s ⓘ |
| contributedTo | development of quantum tunneling devices ⓘ |
| developedBy | Leo Esaki ⓘ |
| discoveredIn | 1957 ⓘ |
| fieldOfUse |
high-speed electronics
ⓘ
microwave engineering ⓘ quantum electronics ⓘ |
| hasProperty |
N-shaped I–V curve
ⓘ
exhibits quantum mechanical tunneling ⓘ fast switching speed ⓘ heavily doped ⓘ low forward voltage region with high current ⓘ negative differential resistance ⓘ negative resistance region between peak and valley ⓘ nonlinear current–voltage characteristic ⓘ operates at microwave frequencies ⓘ peak current region ⓘ valley current region ⓘ |
| limitation |
complex biasing requirements
ⓘ
narrow operating voltage range ⓘ sensitive to temperature variations ⓘ |
| namedAfter | Leo Esaki ⓘ |
| notableRecognition | related to Leo Esaki’s Nobel Prize in Physics 1973 ⓘ |
| operatesInRegion |
forward-bias tunneling region
ⓘ
negative differential resistance region ⓘ normal diode conduction region ⓘ |
| relatedTo |
Gunn diode
ⓘ
backward diode ⓘ resonant tunneling diode ⓘ |
| usedFor |
fast pulse generation
ⓘ
frequency converters ⓘ high-frequency oscillators ⓘ high-speed switching ⓘ logic circuits ⓘ memory circuits ⓘ microwave amplifiers ⓘ microwave oscillators ⓘ voltage-controlled oscillators ⓘ |
| usesMaterial |
gallium arsenide
ⓘ
germanium ⓘ heavily doped p–n junction ⓘ other compound semiconductors ⓘ |
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
tunnel diode