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Diode Germanium
Where can I find a germanium diode?
I know I can buy one online, but are they available in any physical stores? I don't want to have to pay ten bucks in shipping for a twenty cent diode.
Unless you have a local "real" electronics part store (not Radio Shack!), you will have to go mail/Internet order.
You can get 10 for $5.49 shipped on ebay. A little hunting and you can find one for less.
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Added info: Radio Shack no longer carries germanium diodes.
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10PCS 1N34A Germanium Diode AM/FM Radio TV Detection |  |
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US $1.88 | 28d 15h 11m |
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AAZ18 Gold bonded germanium PHILIPS diodes NOS QTY=1000 | |
0 Bid | US $249.99 | 4h 42m |
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10 Pcs 1N34A Point Contact Germanium Diode AM/FM Radio TV | |
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US $3.89 | 20d 8h 8m |
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LOT OF (50) 1N34A Germanium Diode AM/FM Radio TV | |
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US $14.95 | 2d 5h 20m |
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10 GERMANIUM DIODES RADIO OA161 | |
1 Bid | US $9.99 | 20h 14m |
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25 GERMANIUM DIODES RADIO AA119 | |
1 Bid | US $9.99 | 20h 14m |
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10 GERMANIUM DIODES RADIO OA5 | |
1 Bid | US $9.99 | 20h 14m |
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100pcs 1N270 Germanium Diode TV FM AM Radio Detection | |
0 Bid | US $54.99 | 22h 14m |
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10pcs 1N270 Germanium Diode TV FM AM Radio Detection | |
0 Bid | US $7.99 | 23h 52m |
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1952 SYLVANIA CRYSTAL DIODE CIRCUIT KINKS- MORE USES FOR GERMANIUM DIODES | |
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US $8.00 | 1d 59m |
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Germanium $7.94 No Synopsis Available |
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Chandler Limited Germanium Preamp/Di $1138.5 Chandler Limited Germanium Preamp/DI |
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Used Big Muff Germanium 030512 $89.99 In Store Used USED BIG MUFF GERMANIUM 030512 |
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Germanium Surface Preparation Methods $96.59 Germanium is gaining interest in the semiconductor industry as a replacement channel material for high mobility applications. Contamination directly affects the device performance, yield and reliability. Therefore, continued device scaling is dependent on effective surface preparation including effective contamination and particle removal of germanium surface. Cleaning and preparation methods for silicon surface have been extensively developed over the past few decades. Germanium surface cleaning and preparation is at its infancy and is markedly different from that of silicon. This book examines these differences and fundamentals involved in germanium surface cleaning. This book also proposes methods for basic germanium surface cleaning and the basis for further process development for professionals involved in surface cleaning of semiconductor materials. Author: Kim, Jungyup Binding Type: Paperback Number of Pages: 108 Publication Date: 2008/10/01 Language: English Dimensions: 9.00 x 6.00 x 0.22 inches |
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DIODE $12 When these electrical items fail there is little choice but to renew - With this genuine Suzuki par.. |
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Organic Germanium 50 Cap: HF $46.88 Pure Ge-132 Organic Germanium is a unique organogermanium compound, bis-carboxyethyl germanium sesquioxide, sometimes called just germanium sesquioxide. It has unique molecular characteristics which make it virtually unreactive in the body, and its small particle size and unique structure permit it to be readily cleared in the urine as the intact molecule. NutriCology introduced pure organic germanium into the United States in 1986. We recognize the importance of providing pure and tested Ge-132. To assure the quality and purity of our germanium products, we carefully analyze every lot. Testing procedures include identification by infrared spectroscopy, purity by acid group titration, absence of inorganic germanium impurities by color limit test, and solubility test. Hypoallergenic. |
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Germanium (Hardcover) $457.73 Description not available. |
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The Chemistry of Germanium $25.79 No Synopsis Available |
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Electro-Harmonix XO Germanium OD $76.5 Electro-Harmonix XO Germanium OD Classic '60s Germanium transistor overdrive and more. In addition to a Gain control, the Electro-Harmonix Germanium OD allows the user to control Bias for attack and the circuit Volts for that sweet spot found when a battery's voltage dips. Dial up that slightly torn speaker sound, or dial in total Germanium "Satisfaction". Features: True bypass Gain control Bias knob for putting your sound right at the edge of break up Volts knob for reducing battery voltage Countless Germanium variations at the touch of a knob Tough and compact die-cast chassis 9-volt battery included Optional US96DC-200BI power supply available (not included) Get Your Electro-Harmonix XO Germanium OD Today! |
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Used Electro Harmonix Germanium Over Drive Pedal $65 In Store Used USED ELECTRO HARMONIX GERMANIUM OVER DRIVE PEDAL |
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Used Electro Harmonix Big Muff Germanium $89.99 In Store Used USED ELECTRO HARMONIX BIG MUFF GERMANIUM |
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Used Electro Harmonix Germanium Big Muff $99.99 In Store Used USED ELECTRO HARMONIX GERMANIUM BIG MUFF |
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Organic Germanium 50 Capsules: N $35.64 Pure Ge-132 Organic Germanium is a unique organogermanium compound, bis-carboxyethyl germanium sesquioxide, sometimes called just germanium sesquioxide. It has unique molecular characteristics which make it virtually unreactive in the body, and its small particle size and unique structure permit it to be readily cleared in the urine as the intact molecule. Potentially, the body may use germanium as a cellular oxygenator.* NutriCology introduced pure organic germanium into the United States in 1986. We recognize the importance of providing pure and tested Ge-132. To assure the quality and purity of our germanium products, we carefully analyze every lot. Testing procedures include identification by infrared spectroscopy, purity by acid group titration, absence of inorganic germanium impurities by color limit test, and solubility test. Hypoallergenic. Suggested Use: As a dietary supplement, 1 capsule one to five times daily between meals, or as directed by a healthcare practitioner. Serving Size 1 capsule Servings per container 50 Amount per serving: Bis-carboxyethyl germanium sesquioxide 150 mg Other ingredients: Gelatin, cellulose, magnesium stearate. This nutrient is of the highest quality and purity obtainable, free of all common allergens (antigens), and does not contain preservatives, diluents, or artificial additives. Keep in a cool, dry place, tightly capped. *These statements have not been evaluated by the U.S. Food and Drug administration. The product is not intended to diagnose, treat, cure, or prevent any disease. |
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Chandler Limited Germanium Preamp/DI $1138.5 The Germanium pre-amp design by Chandler Limited designer Wade Goeke uses classic germanium transistors in all class A, transformer-balanced circuits. The use of germanium devices opens a whole new sound palate not found in any pro audio equipment currently manufactured.These incredibly smooth-sounding transistors were the basis of the earliest transistor designs by Neve, EMI, Telefunken, and Fairchild. Those familiar with these units can attest to the special sound of the germanium transistor. The Germanium series runs on +40 volt power, high current, and has a huge +34 output before clipping. The sound is warm and smooth, as with many vintage style circuits, but you'll find a whole new world of smooth audio here as well as a sound that settles in perfectly to your tracks without fighting. Add these new circuits to Chandler's new transformer line that combines the best parts of Chandler's favorite trannies, St Ives and Gardners, into new great-sounding input and output transformers.Gain/Germainium DriveThis is your standard input gain control. It is a 10-position Elma switch with 3dB step increments. The full range of the unit is -5dB, with the pad, to +65dB, without the pad and Germanium Drive and Feeback at full. The actual amount of overall gain, however, is affected by feedback control. When the gain is at 0 and the feedback is at 0, the overall gain is +10dB. Increasing the feedback to 10 changes the overall gain to +40dB, with all the tonal changes described under the feedback control. Using different combinations of feedback and input gain is essential if you want to take advantage of all the tones available from the Germanium pre-amp.FeedbackThe Feedback control is essential to the sound and function of this pre-amp. Audio amplifiers incorporate some amount of negative feedback, which is where the output signal of the amplifier is fed back to its input. This affects the sound and function of the amplifier in many ways. THD, frequency response, gain, and amplifier stabilization change considerably with varying feedback. In use, you will find these results: When feedback is at 0 the unit will produce more high frequency information, less THD, less gain, and generally a more pristine, clear tone. Pushing the feedback higher will add THD, gain, a small bass rise, and a small high-end roll-off.Pad switchA 15dB Pad switch. Do not be afraid to use the pad on the unit as you will not find the adverse effects associated with many pads. The Pad is also very helpful with discovering all the tonal variations that the Germanium is capable of producing. Use the Pad when you are driving the Germanium very hard to keep the output levels in a usable range. Another important use for the Pad is to drop the gain to a line level while sending tape/disk tracks or line sources into the transformer-balanced rear input.Thick switchThe Thick switch adds a gentle low end rise to the signal. It sounds simple but all of Chandler's beta testers commented about this b |
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The SkinKontrol Skin-Ei SuperFuzz Guitar Pedal Hand Built Germanium Diodes
Function of Transistor:-
Function of transistor:-
Transistor is the building block of any computers it invented in Bell Lab in 1947. the transistor is a small electronic device used in all things digital from your digital watch to supercomputers. We therefore think some under standing of how transistors operate is required. To begin one need to know a little about the semiconductors. These fall under a class of materials that behave as either conductors or insulators depending on the certain conditions. Silicon, Germanium, and Gallium Arsenide are the most commonly used semiconductor can be of two types. An N-type which has a “excess” electrons-and p-type material, which has deficiency of electrons. The N or P is determined by an “impurity” element that is add to a pure semiconductor, the resultant material is N-type and if it has less electrons, you get a P-type material.
The simplest of semiconductor device is diode, which is formed when a P-type and an N-type material are brought together, adjacent to each other. The electron from the N-type fill up the deficiencies (called “holes”) in the P-type, which leaves a neutral layer at the junction that does not conduct. This “barrier” is over come by applying a small positive voltage to the diode. When the voltage is removed, the barrier is recreated, making the device not capable of conducting similarly, when a negative voltage is applied, the device does not conduct.
The transistor is a very simplistic way, can be thought of as two diodes joined back to back. We can therefore have two kinds of transistors P-N and P-N-P. Both these configurations can be used in devices; NPN is usually chosen for explanation. The three blocks that make up a transistor are the Emitter, the Base, and the Collector. The Emitter and collector are made from the same type of semiconductor, but you can’t interchange there connections-their width and the way they are manufactured are different.
When the blocks come together. Two barriers are formed-between the Emitter and base, and between the base and collector. Typical transistor operation sees that Emitter-base junction “forward-biased”- this mean the positive of the battery is connected to the base, which is P-type, and the negative battery terminal is connected to the Emitter, which is N-type. This ensures that the barrier between these two terminal is eliminated. Similarly, the base collector junction is “reverse-biased”. Now electrons are pushed from the emitter into the base. The collector has a positive voltage applied to it which there fore draws (the negatively charged) electrons that comes to the base from the Emitter are drawn into the collector. Which leads to a corrent flow in the device? The device is now in the on state. When the voltage is applied to the emitter-base junction is removed or its polarity reversed. The barrier at the Emitter base junctions’ reappears and the current flow stops. The transistor is now in the off state.
The switch action is most important capability of a transistor which is used in a digital circuits such as those in computers. Computer work by treating all data as a series of the 1s and os, or on and off states. Transistor are performed complex calculations based on long series of 0s and 1s:a 32 bit CPU can add, subtract and perform several functions on data that contains a total of 32 0s and 1s. for each 0 and 1 that needs to be stored or operated upon in a CPU, one transistor is needed .in order to store two 64-bit numbers, a total of 128 transistors is required this is only to store the number during calculation: for each operation such as multiplication or comparison, a thousand or more transistors are required. Today’s CPUs have millions of transistors to perform the myriad calculations that make games, video editing. And so on work for us. All these millions of transistors are basically working in a switching mode- in an on or an off state at any given time.
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