superheterodyne receiver
E169
The superheterodyne receiver is a radio receiver architecture that improves selectivity and sensitivity by converting incoming radio signals to a fixed intermediate frequency before final detection.
All labels observed (1)
| Label | Occurrences |
|---|---|
| superheterodyne receiver canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2297 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: superheterodyne receiver Context triple: [Edwin H. Armstrong, notableWork, superheterodyne receiver]
-
A.
harmonic analyzer
A harmonic analyzer is a mechanical or electrical device used to decompose complex periodic signals into their constituent sinusoidal components for analysis.
-
B.
Proceedings of the IRE
Proceedings of the IRE was the flagship technical journal of the Institute of Radio Engineers, publishing influential research in radio, electronics, and early electrical engineering.
-
C.
Differential analyzer
The Differential Analyzer is an early analog mechanical computer designed to solve differential equations using interconnected rotating shafts and wheels.
-
D.
oN-Line System
The oN-Line System (NLS) was an early, pioneering computer system that introduced many foundational concepts of modern computing, including the mouse, hypertext, and interactive graphical user interfaces.
-
E.
Edwin H. Armstrong
Edwin H. Armstrong was a pioneering American electrical engineer and inventor best known for developing frequency modulation (FM) radio and several fundamental radio technologies.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: superheterodyne receiver Target entity description: The superheterodyne receiver is a radio receiver architecture that improves selectivity and sensitivity by converting incoming radio signals to a fixed intermediate frequency before final detection.
-
A.
harmonic analyzer
A harmonic analyzer is a mechanical or electrical device used to decompose complex periodic signals into their constituent sinusoidal components for analysis.
-
B.
Proceedings of the IRE
Proceedings of the IRE was the flagship technical journal of the Institute of Radio Engineers, publishing influential research in radio, electronics, and early electrical engineering.
-
C.
Differential analyzer
The Differential Analyzer is an early analog mechanical computer designed to solve differential equations using interconnected rotating shafts and wheels.
-
D.
oN-Line System
The oN-Line System (NLS) was an early, pioneering computer system that introduced many foundational concepts of modern computing, including the mouse, hypertext, and interactive graphical user interfaces.
-
E.
Edwin H. Armstrong
Edwin H. Armstrong was a pioneering American electrical engineer and inventor best known for developing frequency modulation (FM) radio and several fundamental radio technologies.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
heterodyne receiver
ⓘ
radio receiver architecture ⓘ |
| canHave |
double conversion architecture
ⓘ
single conversion architecture ⓘ triple conversion architecture ⓘ |
| convertsFrom | radio frequency ⓘ |
| convertsTo |
fixed intermediate frequency
ⓘ
intermediate frequency ⓘ |
| enables |
high gain at intermediate frequency
ⓘ
narrow bandwidth filtering ⓘ use of fixed-tuned IF filters ⓘ |
| hasAbbreviation | superhet ⓘ |
| hasAdvantage |
better selectivity than tuned radio frequency receivers
ⓘ
better sensitivity than tuned radio frequency receivers ⓘ stable performance over wide tuning range ⓘ |
| hasDisadvantage |
image frequency interference
ⓘ
spurious responses ⓘ |
| improves |
selectivity
ⓘ
sensitivity ⓘ |
| isStandardArchitectureFor | modern radio receivers ⓘ |
| isUsedIn |
AM broadcast receivers
ⓘ
FM broadcast receivers ⓘ cellular radio receivers ⓘ communications receivers ⓘ radar receivers ⓘ satellite receivers ⓘ shortwave receivers ⓘ television receivers ⓘ two-way radio equipment ⓘ |
| keyConcept |
heterodyning
ⓘ
image frequency ⓘ intermediate frequency ⓘ selectivity ⓘ sensitivity ⓘ |
| operatesOn | radio frequency signals ⓘ |
| requires |
frequency-stable local oscillator
ⓘ
good front-end filtering ⓘ |
| uses | frequency conversion ⓘ |
| usesComponent |
RF amplifier
ⓘ
audio frequency amplifier ⓘ detector ⓘ intermediate frequency amplifier ⓘ local oscillator ⓘ mixer ⓘ tuned circuits ⓘ |
| wasDevelopedDuring | World War I ⓘ |
| wasInventedBy |
Edwin H. Armstrong
ⓘ
surface form:
Edwin Howard Armstrong
|
| wasInventedInYear | 1918 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: superheterodyne receiver Description of subject: The superheterodyne receiver is a radio receiver architecture that improves selectivity and sensitivity by converting incoming radio signals to a fixed intermediate frequency before final detection.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.