# 146 series integrated circuits

> amplifiers and transistor switches for ferrite core memory

**Wikidata**: [Q131720556](https://www.wikidata.org/wiki/Q131720556)  
**Source**: https://4ort.xyz/entity/146-series-integrated-circuits

## Summary
The 146 series integrated circuits were Soviet-era semiconductor devices designed as amplifiers and transistor switches specifically for ferrite core memory systems. They were part of a broader class of integrated circuits manufactured by companies like SPP Kvazar, Alfa, and NPO Krystall, adhering to Soviet integrated circuit designation standards.

## Key Facts
- **Instance of**: Integrated circuit series
- **Subclass of**: Integrated circuit
- **Used by**: Magnetic-core memory systems
- **Manufacturer**: SPP Kvazar, Alfa, NPO Krystall
- **Country of origin**: Soviet Union
- **Point in time**: 1970
- **Complies with**: Soviet integrated circuit designation
- **Image**: [Example of a 146 series IC](https://commons.wikimedia.org/wiki/Special:FilePath/К1УИ462А_(он_же_К146УЛ2)_усилитель_воспроизведения,_Альфа_1973_(01).jpg)
- **Commons category**: 146 series integrated circuits

## FAQs
### Q: What were the 146 series integrated circuits used for?
A: The 146 series ICs were designed as amplifiers and transistor switches for ferrite core memory systems, which were a type of early computer memory technology.

### Q: Which companies manufactured the 146 series ICs?
A: The 146 series integrated circuits were produced by SPP Kvazar, Alfa, and NPO Krystall, all Soviet manufacturers.

### Q: When were the 146 series ICs developed?
A: The 146 series ICs were developed in the Soviet Union around 1970, as part of the broader Soviet integrated circuit designation system.

### Q: What is the significance of the 146 series in electronics history?
A: The 146 series represents an early example of Soviet semiconductor technology tailored for magnetic-core memory systems, which were critical in early computing and data storage.

### Q: Are there any images available of the 146 series ICs?
A: Yes, an example image of a 146 series IC can be found on Wikimedia Commons, showing a specific model from the series.

## Why It Matters
The 146 series integrated circuits played a specialized but important role in the development of early Soviet electronics, particularly in the realm of magnetic-core memory systems. These ICs were designed to amplify and switch signals within these memory systems, which were a key technology in early computers and data storage solutions. By adhering to Soviet integrated circuit designation standards, the 146 series contributed to the broader semiconductor industry in the USSR, even if it was not as widely recognized as Western counterparts. Their development reflects the Soviet Union's efforts to create self-sufficient electronic components during a period of technological competition with the West.

## Notable For
- **Specialized Design**: The 146 series was specifically engineered for ferrite core memory systems, a niche application in early computing.
- **Soviet Production**: Manufactured by Soviet companies like Alfa and NPO Krystall, the series represents a domestic effort in semiconductor technology.
- **Early Semiconductor Use**: These ICs were part of the broader Soviet integrated circuit series, demonstrating the country's capabilities in semiconductor design.
- **Magnetic-Core Compatibility**: The 146 series was optimized for magnetic-core memory, a critical technology in early computer architectures.
- **Designation Standards**: The series complied with Soviet integrated circuit designation, reflecting the country's own classification system for semiconductor components.

## Body
### Classification and Function
The 146 series integrated circuits are classified as part of the broader integrated circuit series, specifically designed for use in magnetic-core memory systems. These ICs served as amplifiers and transistor switches, ensuring reliable signal processing within the memory architecture.

### Manufacturing and Origin
Produced by Soviet manufacturers including SPP Kvazar, Alfa, and NPO Krystall, the 146 series ICs were developed around 1970. They originated in the Soviet Union and adhered to Soviet integrated circuit designation standards, indicating a domestic approach to semiconductor technology.

### Applications
The primary application of the 146 series was in ferrite core memory systems, which were a significant technology in early computing. These ICs were essential for amplifying and switching signals within the memory, ensuring proper data storage and retrieval.

### Historical Context
The 146 series represents a period of Soviet semiconductor development, competing with Western technologies. While not as widely documented as Western IC series, it was a critical component in the USSR's efforts to create self-sufficient electronic systems.

### Media and Documentation
An example of a 146 series IC can be found on Wikimedia Commons, showcasing the physical design and manufacturing quality of these Soviet-era components. The series is also categorized under the "146 series integrated circuits" commons category, highlighting its specialized role in electronics.