germanium transistor 1960s

germanium transistor 1960s

Semiconductor Documents - N4TRB Amateur Radio- germanium transistor 1960s ,This 2nd edition of the GE Transistor Manual: Circuits, Applications, Specifications is a treasure of detail on the early GE transistors It begins with an introduction to semiconductor physics and follows with basic circuit components that are well explainedMineral Commodity Profiles Germanium - USGS1957 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.

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History and Development of the Transistor

They were right, and germanium disappeared from most transistors by the late 1960s Now everything was in place, and within a few years, transistor-based products, most notably radios, were appearing on ,...

Berkos FX | The Gear Page

Dec 12, 2014· The Germanium Experience After a worldwide search for five years I finally found the ultimate germanium transistors from the 1960''s for the Germanium Experience fuzz pedal...

Hartman Vintage Germanium Fuzz | Effects Database

Hartman about the NKT275 version (2007) A very musical sounding and faithful clone of the original Dallas Arbiter Fuzz Face circuit using genuine NOS ("new old-stock") Newmarket NKT275 PNP Germanium transistor (the same as those used in the originals during the 1960s) plus modern amenities: true-bypass, on/off LED, and 9VDC ,...

germanium transistors | eBay

Find great deals on eBay for germanium transistors Shop with confidence Skip to main content eBay: , 25x Germanium Transistors 106NU70 TESLA Gold Ge NPN 30V 10mA 125mW ~AC127 2SD128 1 product rating [object , 2SD352 B Germanium Transistor NOS 100 Pc''s Matsushita Germanium NPN 1960''s 1 WEEK SALE !!! Tested to spec on Hfe, Vcbo and Icbo...

Vintage Vox V828 Tone Bender, Germanium! The Real Deal ,

The Tone Bender circuit was similar to the input stage of the Vox T60 amplifier head, and depended on the now unavailable germanium transistor In the early 1960s, Jennings Musical Instruments (JMI), a British firm, marketed the Sola Sound fuzz pedal, re-branded as the Vox Tone Bender...

Newmarket Transistors - Wylie

Newmarket Transistors Ltd, usually referred to as NKT, and located in the Suffolk town famous for its race courses, was one of the more idiosyncratic, and therefore interesting, small UK manufacturers of germanium transistors in the 1950''s and 1960''s...

Archives:From Germanium to Silicon, A History of Change in ,

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...

Berkos FX

Berkos FX builds guitar effects pedals The Germanium Experience fuzz pedal uses very rare NKT275 germanium transistors from the 1960''s and the Third Stone fuzz pedal is the silicon transistor version of the Fuzz Face...

UK Vintage Radio Repair and Restoration - Transistor ,

Other germanium transistors and diodes The OC44 and OC45 used in early transistor sets tend to be reliable There are enough spares from scrap sets etc to provide replacements for ,...

1960s transistor | Etsy

1960s GE Transistor Radio AM Only Original Box Paperwork Earphone Vintage Radio Vintage Transistor Radio , 1961 General Electric Deluxe 7 Transistor Radio, Model P-9001, In Working Condition , Well you''re in luck, because here they come There are 128 1960s transistor for sale on Etsy, and they cost $6121 on average...

East German (DDR) Vintage Semiconductors - Wylie

East Germany is the colloquial name for the former German Democratic Republic (GDR), or in German, the Deutsche Demokratische Republik (DDR) This was the socialist state established in 1949 in the Soviet zone of occupied Germany and in East Berlin...

Making Transistors - Learn About Electronics

Germanium based diffused alloy transistors were widely used in the 1950s, but by the 1960s they were largely superceded by transistors that use silicon as the semiconductor material and the methods of production changed to the planar (layered) type of construction, illustrated in Figures 322 to 323 These transistors are built up as a ,...

Vintage Transistor Radios | Collectors Weekly

Vintage Transistor Radios , Generally, the most collectible transistor radios are those made in Japan from 1956 to 1963 and in America from 1955 to 1960, but by the early ''60s, many, Continue Reading Navigation Home Page Categori Show & Tell Appraisals Help & FAQs Magazine Fashion Design Culture Home Machin...

Why Are Germanium Transistors In Fuzz Pedals So ,

Germanium Transistors The main ingredient used in germanium transistors is Germanium, a semi-metal, which was normally used for making the items like diodes and transistors commonly used in consumer electronics , Hornby-Skewes Treble boosters and Dallas Range-master etc designed especially for guitarists up to 1960s ,...

Germanium transistors - TekWiki

Many Tektronix scopes from the 1960''s contain Germanium transistors, eg, OC170, OC171 These transistors are prone to failure In most cases, they can be replaced with modern general-purpose silicon bipolar transistors with no modification to the circuit...

Anecdote: Tin Whiskers Inside of AF114 Transistors

1960s era Germanium Transistor inside of a tin-plated package: 1960s era Germanium Transistor inside of a tin-plated package: Transistor with the package cut open to reveal tin whisker formation on the inner walls of the package...

3M Germanium Transistor part numbers - Antique Radios

Is anyone familiar with the part number markings of 3M branded Germanium transistors? I cannot find a cross reference for the part number printed on these output transistors from the 1960s...

3M Germanium Transistor part numbers - Antique Radios

Thanks for the link! 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...

2N107 - Wikipedia

The 2N107 is an early germanium alloy junction PNP transistor developed by General Electric (GE) in 1955, to become GE''s entry into the electronic hobbyist market successfully started with the CK722 transistor Like the CK722, it enjoyed a long-standing popularity...

Vintage Technics, First transistors ussr

First transistors USSR Used Google translator The first serial transistors in the Soviet Union , not including experienced КС 1 - КС 8 ( 1953), were point contact p-n-p germanium transistors С 1 and С 2 (1954 - 1960 )...

Transistor - Wikipedia

The bipolar junction transistor (BJT) was the most commonly used transistor in the 1960s and 70s Even after MOSFETs became widely available, the BJT remained the transistor of choice for many analog circuits such as amplifiers because of their greater linearity and ease of manufacture...

East German (DDR) Vintage Semiconductors - Wylie

I''m unsure of the exact chronology, but in about 1959 WBN started to manufacture germanium junction transistors using OC81x series numbering such as the OC811 shown, initially bearing the WBN lettering but later that changed to HWF for "HalbleiterWerk Frankfurt" (Frankfurt/Oder component works)...

Mullard OC170 germanium PNP alloy junction transistor ,

A OC170 germanium PNP alloy junction transistor in TO1 metal case These were a common transistor in the 1960s for RF and IF stag This package is noted for a ,...

Anecdote: Tin Whiskers Inside of AF114 Transistors

1960s era Germanium Transistor inside of a tin-plated package 1960s era Germanium Transistor inside of a tin-plated package Transistor with the package cut open to reveal tin whisker formation on the inner walls of the package...

Semiconductor Documents - N4TRB Amateur Radio

This 2nd edition of the GE Transistor Manual: Circuits, Applications, Specifications is a treasure of detail on the early GE transistors It begins with an introduction to semiconductor physics and follows with basic circuit components that ,...

UK Vintage Radio Repair and Restoration - Philips ,

Transistors - Six Transistors Date - Late 1960s ? Status - In my collection: This is another eBay purchase, costing under £10 It is complete in original box, with earphone The radio is fairly dirty and the Philips name is partly worn off , Fortunately, I have a small stock of these early germanium transistors from scrap sets, and the set ....

NPN Germanium: Transistors | eBay

Nivac computers used 2N167 transistors GE also developed USAF versions of the 2N167 and 2N167A The 2N167/167A was produced well into the 1960s with likely millions of units sold 2N167A Transistor D, 2N35 NPN Germanium Transistor / TO-22 / TO22 / Audio Amplifier RARE!! $720 Buy It Now...

Vintage Radio and Electronics Germanium Transistors

GERMANIUM TRANSISTORS The following table lists the parameters for Germanium transistors The column marked Case is the outline of the transistor case Note: Not all headings are the same parameter The case drawings are shown at the bottom of the page Cases GEC MAZDA STC AEI HIVAC NEWMARKET TEXAS Transistors...