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Germanium Properties History and Applications

Germanium transistors had a tendency to fail at high temperatures a problem that could be solved with silicon Until Teal no one had been able to produce silicon with a high enough purity to replace germanium but after 1954 silicon began replacing germanium in electronic transistors and by the mid 1960s germanium transistors
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Germanium transistors for Fuzz 2 Guitar Poppa

Sep 06 2017· Audio preamplification transistors ex NKT275 Fuzz Face 1966 67 These are the most common germanium transistors They were designed for audio pre amplification circuits in consumer and mid range equipment where they quickly replaced the tubes
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Japanese Vintage Transistors Transparent Sound

Japan Vintage Transistors Diodes Collection This site contains my collection of vintage transistors and diodes most of them included with their original package or sleeves The devices are produced in
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Germanium Transistor Ac128 for sale eBay

Make Offer 5x SFT323 Germanium Ge PNP Transistor 18V 250mA 200mW 1Mhz AC128 EFT323 2N2706 6x TESTED SFT323 COSEM Gold Germanium PNP PAIR Guitar Effect Transistors
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Germanium Can Take Transistors Where Silicon Can t – DSIAC

The result was the first transistor the amplifier and switch that was arguably the greatest invention of the 20th century Thanks to Moore s Law the transistor has delivered computers far beyond anything thought possible in the 1950s Despite germanium s starring role in the transistor
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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
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Germanium Transistors pedalhackerelectronics com

This is the fee to have germanium transistors tested for gain and leakage 1 Original Tungsram AC188K PNP high gain Germanium transistor These work great in fuzz pedals Gain ranges from 100 500 These are untested and sold as is but if you need a matched pair or even just one piece tested I can do that for 3 per transistor You will need
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Germanium transistors best before end of The Gear Page

Jul 19 2009· So really leakage is a big part of what we associate with mojo sound And if you low gain silicon transistors and fake some leakage current and capacitance you can get close to a germanium sound without all the hassle or cost A couple of other guys mentioned some Russian transistors I ve had mixed luck with these
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Germanium Treble Booster Module – Build Your Own Clone

The best feature about the Germanium Treble Boost module is that it utilized the Crown Jewel s internal negative 9 volt power supply PNP Germanium transistors prefer to be used in a positive ground circuit just like the original Rangemaster the Fuzz Face the Tonebender and many of the other very early pedals that used Ge Transistors
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Germanium Transistor eBay Shops

Shoppen bei Germanium Transistor Noch mehr Lieblingsstücke finden in eBay Shops
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GERMANIUM meaning in the Cambridge English Dictionary

germanium definition 1 a chemical element with unusual electrical characteristics that allow it to be used in Learn more
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Germanium Mesa Transistors Transistor History 2

Multiple transistors were made on a single wafer 2 Polish one side of the Germanium wafer 3 Diffuse an N type layer and lap the unpolished back of the wafer 4 Metal coat the back of the wafer 5 Evaporate the P type aluminum emitter which produced a P type germanium
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Germanium Transistors Fuzz Faces and Similar Page 1

Germanium Transistors Fuzz Faces and Similar Sort by Featured Items Newest Items Bestselling Alphabetical A to Z Alphabetical Z to A Avg Customer Review Price Low to High Price High to Low
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Transistors Germanium Transistors NTE Electronics

Germanium Transistor Selection Guide The development of the germanium transistor in 1948 opened the door to countless applications of solid state electronics From 1950 through the early 1970s this area provided an increasing market for germanium but then high purity silicon began replacing germanium in transistors
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Germanium vs Silicon Transistors Robert Keeley

Sep 11 2013· Germanium is a chemical element with symbol Ge and atomic number 32 that s used as a semiconductor in transistors and diodes popping up in a few classic effects like the early period Arbiter Fuzz Face the storied Dallas Rangemaster and the Maestro Fuzz Tone
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Germanium Transistor for sale eBay

Make Offer 4 x 2N1305 PNP Germanium Transistor TO 5 GOLD LEADS TI VINTAGE COLLECTIBLE 50 Bendix B 1729A Germanium Power Transistor FLAT OF 50 PIECES NEW OLD STOCK C 53 88
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ElectroSmash You can Build the Perfect Germanium Fuzz Face

Buying the Germanium Fuzz Pedal online You can use our online shop to get The PCB As the BOM and all the documents are available you can get the parts and DIY you can also order NOS USSR Germanium Transistors
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Germanium transistors TO1 case models Guitar Poppa

Jun 16 2015· The TO1 standard was the first all metal case used for germanium transistors when the black glass models were abandoned around 1964 This concerns European series like ACs industrial
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Germanium Transistor Assortment 20 pcs NPN PNP hfe Fuzz

Germanium Transistor Assortment 20 pcs NPN PNP hfe Fuzz gain incl 20 Transistor Socket by 3pdt 5 0 out of 5 stars 5 ratings 4 answered questions Price 24 90 FREE Shipping Get free shipping Free 5 8 day shipping within the U S when you order 25 00 of eligible items sold or fulfilled by Amazon Or get 4 5 business day shipping on this item
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Germanium Transistors Page 1 Small Bear Electronics

Germanium Transistors Sort by Featured Items Newest Items Bestselling Alphabetical A to Z Alphabetical Z to A Avg Customer Review Price Low to High Price High to Low Big Muff
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Germanium Transistor for sale eBay

Make Offer TUNG SOL 2N174 1963 Germanium Transistor w Mounting Hardware New in Box 2x MATCHED High Gain 106NU70 TESLA Gold Germanium NPN Effect PAIR Transistors 4 99 3d 9h
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NPN Germanium transistor list for Fuzz pedals Slowbean

Jun 20 2020· My interest in fuzz pedal came from JMI Tone Bender III reissue which belongs to a friend this pedal has 3 of OC75 glass tube transistors And unfortunately My Sola Sound Bum Fuzz came with 3 of NPN transistors while OC75 is PNP type then found this web page with germanium and silicone transistor
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Replace germanium with silicon Antique Radio Forums

Is it possible or practical to replace germanium audio output transistors with silicon on 9 volt radios I m sure the bias resistors would need to be tweaked to raise the bias on the base
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Substituting Silicon transistors for Germanium All About

Aug 07 2017· Yes the germanium transistors have some undesirable qualities but they can allow starting a boost converter even at 0 5 volts Once the converter starts the germanium transistor is
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germanium transistor

NTE Electronics NTE160 PNP Germanium Transistor for RF–IF Amplifier FM Mixer Oscillator TO 72 Case 0 01 Amp Collector Current 20V Collector–Emitter Voltage 5 0 out of 5 stars 4 11 43 11 43
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How to test germanium transistors Antique Radio Forums

Gentlemen I am new to the transistor world so I have a lot to learn about testing transistors The radio I am working on is equipped with germanium transistors and from what I have gathered from watching U tube videos and other sources that germanium transistors are tested differently from other types
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identification Germanium Transistor Electrical

Germanium Transistor Ask Question Asked 2 months ago Active 2 months ago Viewed 906 times 2 begingroup I have a 3 lead AC125U Germanium Transistor with a little metal tab next to one of the outer leads and a small red dot next to the opposite outer lead I understand the middle lead to
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Semiconductor Transistor Bipolar transistors High

Transistors NTE has an extensive selection of transistors They include Bi Polar transistors Germanium transistors Darlington transistors RF transistors from 13 to 870MHz Small signal transistors High voltage and power transistors Field effect transistors MOSFET s Insulated Gate Bi polar Transistors
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