Greinacher circuit
E578485
The Greinacher circuit is a type of voltage multiplier that uses cascaded diode-capacitor stages to generate high DC voltages from an AC input.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Greinacher circuit canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6233054 — 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: Greinacher circuit Context triple: [Cockcroft–Walton generator, hasAlternativeName, Greinacher circuit]
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A.
Keith-Albee circuit
The Keith-Albee circuit was a major early 20th-century American vaudeville theater chain that played a central role in the development of the modern entertainment industry.
-
B.
The A Circuit
The A Circuit is a young adult novel by Georgina Bloomberg that offers an insider’s look at the competitive world of elite show jumping.
-
C.
Jumbo–Holdsworth Circuit
The Jumbo–Holdsworth Circuit is a popular multi-day tramping loop in New Zealand’s Tararua Range, known for its alpine tops, forested valleys, and challenging weather conditions.
-
D.
Grand Prix Circuit
The Grand Prix Circuit is the primary Formula One racing layout at the Bahrain International Circuit, known for hosting the Bahrain Grand Prix under desert night-race conditions.
-
E.
Low’s Peak Circuit
Low’s Peak Circuit is a high-altitude via ferrata route on Mount Kinabalu in Sabah, Malaysia, offering climbers exposed traverses, ladders, and panoramic views near the mountain’s summit.
- 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: Greinacher circuit Target entity description: The Greinacher circuit is a type of voltage multiplier that uses cascaded diode-capacitor stages to generate high DC voltages from an AC input.
-
A.
Keith-Albee circuit
The Keith-Albee circuit was a major early 20th-century American vaudeville theater chain that played a central role in the development of the modern entertainment industry.
-
B.
The A Circuit
The A Circuit is a young adult novel by Georgina Bloomberg that offers an insider’s look at the competitive world of elite show jumping.
-
C.
Jumbo–Holdsworth Circuit
The Jumbo–Holdsworth Circuit is a popular multi-day tramping loop in New Zealand’s Tararua Range, known for its alpine tops, forested valleys, and challenging weather conditions.
-
D.
Grand Prix Circuit
The Grand Prix Circuit is the primary Formula One racing layout at the Bahrain International Circuit, known for hosting the Bahrain Grand Prix under desert night-race conditions.
-
E.
Low’s Peak Circuit
Low’s Peak Circuit is a high-altitude via ferrata route on Mount Kinabalu in Sabah, Malaysia, offering climbers exposed traverses, ladders, and panoramic views near the mountain’s summit.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
electronic circuit
ⓘ
rectifier circuit ⓘ voltage multiplier circuit ⓘ |
| basedOnPrinciple |
capacitive charge storage
ⓘ
half-wave rectification ⓘ series stacking of capacitor voltages ⓘ |
| category |
high-voltage engineering
ⓘ
power electronics ⓘ |
| countryOfOrigin | Switzerland ⓘ |
| designedTo | generate high DC voltages from AC input ⓘ |
| hasAlternativeName |
Greinacher voltage multiplier
ⓘ
linked to:
Cockcroft–Walton generator
cascade rectifier ⓘ cascade voltage multiplier ⓘ |
| hasProperty |
multiplies peak input voltage
ⓘ
no magnetic components required ⓘ output ripple depends on load and frequency ⓘ provides unidirectional output voltage ⓘ relatively low current capability ⓘ uses charge-pump action ⓘ voltage regulation degrades with increasing stages ⓘ |
| hasStructure | cascaded diode-capacitor stages ⓘ |
| historicalUse |
early high-voltage physics experiments
ⓘ
radio and vacuum tube equipment ⓘ |
| influenced | development of Cockcroft–Walton voltage multiplier ⓘ |
| inputType | AC voltage ⓘ |
| limitation |
capacitor voltage rating limits maximum output
ⓘ
diode reverse voltage rating limits number of stages ⓘ high output impedance ⓘ significant voltage sag under load ⓘ |
| namedAfter | Heinrich Greinacher ⓘ |
| operatesWith |
AC input frequency typically mains frequency
ⓘ
can be driven by higher-frequency AC for smaller components ⓘ |
| outputType | DC voltage ⓘ |
| relatedTo | Cockcroft–Walton generator ⓘ |
| requires |
careful layout to minimize corona discharge
ⓘ
sufficient insulation for high-voltage nodes ⓘ |
| stageCountEffect |
output voltage approximately proportional to number of stages
ⓘ
voltage drop and losses increase with number of stages ⓘ |
| typicalConfiguration |
two capacitors per stage
ⓘ
two diodes per stage ⓘ |
| usedFor |
CRT and display high-voltage generation
ⓘ
electrostatic applications ⓘ high-voltage power supplies ⓘ microwave oven auxiliary high-voltage stages ⓘ particle accelerator power supplies ⓘ x-ray tube power supplies ⓘ |
| usesComponent |
capacitor
ⓘ
diode ⓘ |
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: Greinacher circuit Description of subject: The Greinacher circuit is a type of voltage multiplier that uses cascaded diode-capacitor stages to generate high DC voltages from an AC input.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.