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germanium transistor 1960s -

COMPLETE LISTING OF GERMANIUM TRANSISTORS

2020-4-19 · complete listing of germanium transistors silicon transistors and diodes industrial divisions bk-1300 second edition ... gt general transistor ha hughes aircraft hof hoffman ind industro transistor mal mallory ... page 2 e lafayette radio electronics corporation 1960 . transistors type mfr. des. appl. type mfr. des. appl. type mfr. des. appl.

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Archives:From Germanium to Silicon, A History of Change

2014-7-25 · Silicon has been the dominant semiconductor material since the middle 1960s. Today, probably 95% of all semiconductors are fabricated in silicon, yet the first transistor was a germanium device. Until 1960 most design engineers preferred germanium to silicon for computer logic circuits, when, suddenly, germanium was out, and silicon was in.

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Vintage Germanium Computer Transistors David Laws

2019-7-8 · broader market acceptance. Transistor technology developed rapidly throughout the 1950s and 1960s, and digital computer circuitry was a primary focus for each of the successive, higher performance device types. The germanium transistors supplied with this publication represent the fundamental device types developed

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THE 1960 ERA GERMANIUM ELECTRONIC DYNAMO

2019-11-5 · Until the early 1960’s Germanium was used extensively in the manufacture of transistors and diodes of many types. The very first transistor radios used germanium transistors. For example the early very successful Regency TR-1 radio and the Sony TR-72 portable transistor radio from 1955 used NPN germanium transistors.

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Vintage and obsolete Specialty Electronics Components

2012-6-3 · Vintage Germanium Transistors, Germanium Diodes and US made Transistors from the 50’s and 60’s • Great to build Vintage Distortion and Wah-Wah Pedals (suitable devices perfect for Fuzz Face and etc, are marked as "GUITAR") •

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3M Germanium Transistor part numbers - Antique Radio

The 3M Cantata 700 Model 94BG was the first generation model. It was first manufactured in the early 1960s up until a point where the MK2 was introduced which I believe is the Model 293AH. The other transistors are RCA Germanium types 2N2613, 2N2614 and 2N2953.

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TRANSISTOR MUSEUM™ HISTORIC SEMICONDUCTORS

2014-10-21 · barrier types. Silicon transistors became commercially available in the mid-1950s, and additional new technologies were developed into the early 1960s including drift, mesa, and planar. These later transistor types are discussed in the following pages, and this kit contains examples of all these historic transistor technologies.

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The history and origins of the iconic Maestro FZ-1 Fuzz ...

2021-10-20 · Germanium satisfies Gibson. Then the fuzzy dominoes really began to fall. That same year, Gibson introduced the first mass-market fuzz pedal, the Maestro FZ-1 Fuzz-Tone. Designed by recording engineer Glenn Snoddy and engineer Revis V. Hobbs, the FZ-1 contained a three-germanium transistor circuit that was powered by two 1.5-volt batteries.

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Transistor count - 张同光 - 博客园

2020-3-9 · Discrete germanium transistors [263] PDP-1 2,700 1959 Digital Equipment Corporation Discrete transistors Mitsubishi MELCOM 1101 3,500 1960 Mitsubishi Germanium transistors [264] M18 FADAC 1,600 1960 Autonetics Discrete transistors D-17B 1,521

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Vintage Germanium Computer Transistors David Laws

2019-7-8 · broader market acceptance. Transistor technology developed rapidly throughout the 1950s and 1960s, and digital computer circuitry was a primary focus for each of the successive, higher performance device types. The germanium transistors supplied with this publication represent the fundamental device types developed

Read More
Archives:From Germanium to Silicon, A History of Change

2014-7-25 · Silicon has been the dominant semiconductor material since the middle 1960s. Today, probably 95% of all semiconductors are fabricated in silicon, yet the first transistor was a germanium device. Until 1960 most design engineers preferred germanium to silicon for computer logic circuits, when, suddenly, germanium was out, and silicon was in.

Read More
Articles › Transistors in Vintage Radios

2021-7-20 · The alloy-diffused AF114, AF115, AF116 and AF117 transistors were introduced in the early 1960s. There is an AF118, but this is not found in transistor radios - it's a high voltage transistor intended for use in video circuits, but it is occasionally

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Watt's Up?: Early Power Transistor Evolution, Part 2, Silicon

2012-9-5 · Early Power Transistor Evolution, Part 2, Silicon. As discussed in part 1 of this two-part posting on early power transistor evolution, by the early 1960’s germanium power transistors were in widespread use in DC power supplies, audio amplifiers, and

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Vintage and obsolete Specialty Electronics Components

2012-6-3 · Vintage Germanium Transistors, Germanium Diodes and US made Transistors from the 50’s and 60’s • Great to build Vintage Distortion and Wah-Wah Pedals (suitable devices perfect for Fuzz Face and etc, are marked as "GUITAR") •

Read More
Germanium transistors: logic circuits in the IBM 1401

2021-11-11 · The wafer-based mesa transistor was invented in 1958, followed by the modern planar transistor in 1959. Thus, transistors were undergoing radical changes in the 1950s and IBM introduced new logic families to take advantage of these new transistor types. Conclusion. Diode-transistor logic was a key part of IBM's early computers such as the IBM 1401.

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My Receiver Collection - the 1960s

2019-5-24 · The transceiver is a single-conversion Germanium transistor design with an IF of 455 kHz, using a TOKO mechanical filter. The transmitter was conventional, using four 2N1613 transistors: oscillator, buffer, and two in parallel in the output stage. The

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Analog Man Sun Face and Fuzz Face Page

2021-6-8 · Germanium transistors were the first type of transistors generally available, starting in the early 1960s. They are not very stable or easy to manufacture consistently. Since silicon transistors took over from germanium in about 1970, almost nobody

Read More
TRANSISTOR MUSEUM™ HISTORIC SEMICONDUCTORS

2014-10-21 · barrier types. Silicon transistors became commercially available in the mid-1950s, and additional new technologies were developed into the early 1960s including drift, mesa, and planar. These later transistor types are discussed in the following pages, and this kit contains examples of all these historic transistor technologies.

Read More
The history and origins of the iconic Maestro FZ-1 Fuzz ...

2021-10-20 · Germanium satisfies Gibson. Then the fuzzy dominoes really began to fall. That same year, Gibson introduced the first mass-market fuzz pedal, the Maestro FZ-1 Fuzz-Tone. Designed by recording engineer Glenn Snoddy and engineer Revis V. Hobbs, the FZ-1 contained a three-germanium transistor circuit that was powered by two 1.5-volt batteries.

Read More
Watt's Up?: Early Power Transistor Evolution, Part 2, Silicon

2012-9-5 · Early Power Transistor Evolution, Part 2, Silicon. As discussed in part 1 of this two-part posting on early power transistor evolution, by the early 1960’s germanium power transistors were in widespread use in DC power supplies, audio amplifiers, and

Read More
All About Germanium Transistors. By Dave Hunter | Mad

But what is a germanium transistor, and is it absolutely essential to viable fuzz tone? Germanium is a semi-metallic element that was used to make transistors, diodes, and other components that were widely used in consumer electronics until more consistent and more reliable silicon components became available in the late 1960s.

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My Receiver Collection - the 1960s

2019-5-24 · The transceiver is a single-conversion Germanium transistor design with an IF of 455 kHz, using a TOKO mechanical filter. The transmitter was conventional, using four 2N1613 transistors: oscillator, buffer, and two in parallel in the output stage. The

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Mineral Commodity Profiles Germanium - USGS

2005-5-11 · 1957 Germanium transistor formed as part of a printed circuit. 1960 Germanium tunnel diode developed. 1965 Polymerization catalysts used extensively in Japan; use of germanium as a gallium-doped single crystal in radiation detectors. 1972 Germanium-platinum petroleum reforming catalyst patented. 1975 Use of germanium in light-emitting diodes ...

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Wafers and Transistors | SpringerLink

2018-6-22 · Germanium was used during the early 1950s. Until 1960, however, usable MOS transistors could not be manufactured. During the 1960s, the move from germanium to silicon was made in which the transistor channel is a thin conductive layer, which is realised electrically. Table 8.1 shows a comparison of a few germanium (Ge) and silicon (Si) material ...

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Analog Man Sun Face and Fuzz Face Page

2021-6-8 · Germanium transistors were the first type of transistors generally available, starting in the early 1960s. They are not very stable or easy to manufacture consistently. Since silicon transistors took over from germanium in about 1970, almost nobody

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Thorn-AEI (Mazda) Vintage Semiconductors

2021-6-30 · I know that Thorn-AEI manufactured at least one other range of germanium transistors: ASY82 to ASY89. These must be later than 1966. They are germanium PNP amplifier/switch types. I only have the Brimar ASY89 shown. I am seeking any ASY

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TRANSISTOR MUSEUM™ HISTORIC SEMICONDUCTORS

2014-10-21 · barrier types. Silicon transistors became commercially available in the mid-1950s, and additional new technologies were developed into the early 1960s including drift, mesa, and planar. These later transistor types are discussed in the following pages, and this kit contains examples of all these historic transistor technologies.

Read More
1960s Transistor | Etsy

Vintage JVC 8000 transistor radio red pocket triangle shape. rubyinthesky. 5 out of 5 stars. (626) $99.99 FREE shipping. Add to Favorites. 1960s Vintage ZENITH Wallet Royal 16 Transistor Radio. Model R16Y1. Made in Japan 506.

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Transistor count - 张同光 - 博客园

2020-3-9 · Discrete germanium transistors [263] PDP-1 2,700 1959 Digital Equipment Corporation Discrete transistors Mitsubishi MELCOM 1101 3,500 1960 Mitsubishi Germanium transistors [264] M18 FADAC 1,600 1960 Autonetics Discrete transistors D-17B 1,521

Read More
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