Electronics History - Fill-in-the-Blank Flashcards

Fill-in-the-blank flashcards covering key concepts, dates, inventions, and people from the electronics history lecture notes.

The history of electronics is divided into two major divisions: the period known as the vacuum-tube era and the period called the era.

transistor era

The transistor era started in and represents the start of modern electronics.

1947

The transistor was invented at Bell Laboratories by a team including John Bardeen, Walter Brattain, and William Shockley.

Shockley

The first transistor was of the contact type.

point

The first publicly announced invention of the transistor occurred in 1948; the first commercially available transistor was the CK703.

Raytheon

The first junction transistor grown in 1950 was developed by and created at Bell Laboratories.

William Shockley

The first alloy junction transistors were developed at GE and .

RCA

The 1952 RCA Transistor Symposium demonstrated the commercial potential of transistors and included the first experimental transistor receiver.

TV

In 1953, major manufacturers were preparing to produce germanium junction transistors on a large scale, including GE, Philco, Radio Receptor, Raytheon, RCA, Sylvania, and Texas .

Instruments

The first all-transistor radio (TR-1) was developed and marketed by Regency and Texas .

Instruments

TI markets the first commercial silicon transistor (____ series).

900

The 'hobbyist' transistor introduced by GE in 1955 was the transistor.

2N107

The first silicon transistor qualified for military service was the TI USN .

2N117

The 'TR1' was the first Hi-Fi transistor product introduced by .

Fisher

By 1956, U.S. companies had registered a total of 164 '2N' transistor types.

14

1957 marked the anniversary of the invention of the transistor.

tenth

Explorer 1, the first U.S. satellite, used germanium and silicon transistors.

germanium

In 1959, Fairchild developed the planar process and Texas Instruments introduced the first commercial integrated circuit, marking a milestone in (ICs).

integrated circuit

The first commercially practicable integrated circuit was invented by Dr. Robert at Fairchild.

Noyce

The integrated circuit's planar technology was a Fairchild breakthrough and contributed to Silicon Valley's growth; this technology is based on the process.

planar

The first commercial IC op-amp released around 1968 used the model .

741

The one-transistor DRAM cell was invented by at IBM.

Dennard

In 1971, the Intel microprocessor model was introduced.

4004

In 1974, Intel introduced the megabit memory chip and the microprocessor (8080).

8080

The first commercial 1-kilobit memory appeared in .

1978

Zhores I. Alferov and Herbert Kroemer, along with Jack Kilby, received the Nobel Prize in Physics in 2000 for work on semiconductor used in high-speed electronics and optoelectronics.

heterostructures

Kilby received the Nobel Prize for his part in the invention of the .

integrated circuit

The evolution of electronic devices is summarized as Vacuum Tubes → Discrete Transistors → SSI and MSI → Integrated Circuits → VLSI → Surface-Mount Circuits; this sequence is called the evolution.

evolution of electronic devices

Raytheon was the first company to actively pursue the transistor hobbyist market; the company name is .

Raytheon

RCA produced an early high-quality transistor with the part number .

2N109

Sylvania produced Germanium crystal diodes; an example noted in the slides is the diode.

Germanium crystal diodes

Philco advertised 'Here's the New Transistor' in the 1950s.

High Frequency

BC337 is a transistor.

NPN

The 2N3055 is a transistor.

high-power

The 2N3771 is a transistor.

power

Karl Ferdinand Braun built the first Cathode Ray Tube (CRT) in .

1897

Lee De Forest added the to the vacuum tube to create the triode.

grid

The first radio circuits were developed from diodes and .

triodes