germanium pnp pdf

germanium pnp pdf

  • History of the Fuzz Face tonefiend

    MK I. Originally the Fuzz Face was built using PNP germa nium transistors. Later models used silicon transistors. Tran sistors of the type used in the Fuzz Face come in two varieties: PNP and NPN. This project will use PNP Germanium transis tors. The Fuzz Face has been made and remade in many varia tions by 

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  • 2N1303 2N1305 2N1307 2N1309 GERMANIUM PNP

    PNP TRANSISTORS. DESCRIPTION: The CENTRAL SEMICONDUCTOR 2N1303, 2N1305,. 2N1307, and 2N1309 are germanium PNP transistors designed for computer and switching appliions. MARKING: FULL PART NUMBER. MAXIMUM RATINGS: (TA=25°C). SYMBOL. UNITS. CollectorBase Voltage. VCBO. 30. V.

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  • The Fiendmaster: A Dallas Rangemaster Spinoff Seymour Duncan

    Jan 9, 2012 You can find NPN, i.e., negativeground, germanium transistors, but they're rarer and more expensive, and you generally have fewer models to choose from. If a) you dig the germanium sound, and b) might want to build more germaniumpowered pedals in the future, I suggest getting into the PNP habit. 4.

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  • West Florida Components: 2N Series Transistors Guide

    Polarity (Nchannel, Pchannel, NPN and PNP, for example) Composition Material (germanium, silicon, etc) Size (Small Signal, Medium Power, Power, etc) Device Type (dual, UJT, SCR, JFET, MOSFET, 2n5643.pdf">2N5643 *, NPN Silicon, VHF Medium Power, transistor, 35V, 5A, 60W, 5, 175 MHz, MT72 145(?).

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  • NTE27 Germanium PNP Transistor High Current, High Gain Amp

    NTE27. Germanium PNP Transistor. High Current, High Gain Amp. Description: The NTE27 is a PNP germanium power transistor designed for high current appliions requiring highgain and low saturation voltages. Absolute Maximum Ratings: CollectorEmitter Voltage, VCEO. 45V.

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  • Germanium Transistor eBay

    SK3004 PNP GERMANIUM TRANSISTOR REPL NTE102A, ECG102A NEW UNMARKED LOT OF 5. $17.95. Buy It Now. or Best Offer 10x Vintage GT1323 / ГТ1323 NOS Germanium Ge PNP Transistors / SFT323 AC128. $7.49. Buy It Now used for IF amplifiion. I have a GE transistor manual if you need any par.

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  • history of transistors The Transistor Museum

    the emitter, in order to accommodate higher power output. Both PNP and NPN transistors could be made using this process, although PNP was more common. The alloy manufacturing process continued to be used into the 1960s, and became the most widespread germanium transistor technology. Alloy Junction Transistor.

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  • A PNP Triode AlloyJunction Transistor for Radio IEEE Xplore

    "A developmental germanium Pnp junction transistor," PROC. I.R.E., vol. 40, pp. 13521357 1952. Furthermore, because this charge flow in and out of the base region is a diffusion flow, an extraordinarily high capacitance results. (Of the order of 0.01 mf in the TA. 153 transistor.') This capacitance is much greater than that 

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  • NTE213 Germanium PNP Transistor High Power, High Gain Amplifier

    NTE213. Germanium PNP Transistor. High Power, High Gain Amplifier. Description: The NTE213 is a germanium PNP power transistor in a TO36 type package designed high–power, high–gain appliions in high–reliability industrial equipment. Absolute Maximum Ratings: Collector–Emitter Voltage, VCEO. 60V.

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  • Silicon Germanium Heterojunction Bipolar CalTech Thesis

    SiliconGermanium Heterojunction Bipolar Transistors For. Extremely LowNoise Appliions. Thesis by. Joseph Cheney Bardin. In Partial Fulfillment of the Requirements for the Degree of. Doctor of Philosophy. California Institute of Technology. Pasadena, California. 2009. (Defended May 21, 2009) 

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  • What's All This Tube SiliconGermanium VF Stuff, Anyhow

    Oct 11, 2016 Pease addressed the offset problem in his 1974 production circuit, the Philbrick 4701 VtoF converter (pdf) (Fig 5). He added a startup network with Q3, R12, R13, and C5. If the amplifier output floats to the negative rail due to offset voltage, it turns on the PNP, which pulls the minus pin to –15 V below the 

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  • AU113 Germanium PNP power transistor SGSATES Silicon Ark

    AU113 Germanium PNP power transistor by SGSATES,Download SGS AU113 datasheet.pdf.

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  • Semiconductor theory (taking Germanium as an example) sarts

    thus attracting another wandering electron. The addition of this extremely small impurity results in a dramatic increase in the conductivity of the. Germanium. . 0.3v more negative than the emitter, for a PNP Germanium transistor For some of the answers to these questions you may have to consult your RAE Manual or.

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  • NTE102A (PNP) & NTE103A (NPN) Germanium Complementary

    Germanium Complementary Transistors. Medium Power Amplifier. Description: The NTE102A (PNP) and NTE103A (NPN) are Germanium complementary transistors in a TO1 type package designed for use as a medium power amplifier. Absolute Maximum Ratings: (TA = +25°C unless otherwise specified). CollectorBase 

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  • Bipolar Transistor Basics

    must leave the base) by approx 0.7 volts for a silicon device or 0.3 volts for a germanium device with the formulas used to calculate the Base resistor, Base current or Collector current are the same as those used for an equivalent. NPN transistor and is given as. Generally, the PNP transistor can replace NPN transistors in 

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  • historic ibm germanium computer transistors The Transistor Museum

    constructed with an Ntype germanium chip onto which were alloyed two Ptype (indium) dots to form the. PNP structure. The NPN units, such as the types 51 and 52, were of these transistors was largely a manual process . The above chart is from a 1959/1960 IBM SMS Customer Service Component Manual and is a.

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  • NTE102 (PNP) & NTE103 (NPN) Germanium NTE Electronics Inc.

    The NTE102 (PNP) and NTE103 (NPN) are Germanium complementary transistors designed for me dium–speed saturated switching appliions. Features: D Low Collector–Emitter Saturation Voltage: VCE(sat) = 200mV Max @ IC = 24mA. D High Emitter–Base Breakdown Voltage: V(BR)EBO = 12V Min @ IE = 20µA.

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  • Build Your Own Fuzz Face DorkbotPDX

    Original PNP FuzzFace. • Germanium transistors. – Temperature sensi(ve. – Leaky. – "Softer" sound (some say more tubelike). – Wide gain variance with one model. • Posi(ve ground circuit. – No power inputba ery only. – NPN Ge transistors rare and expensive 

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  • Bipolar junction transistor Wikipedia

    BJTs are manufactured in two types, NPN and PNP, and are available as individual components, or fabried in integrated circuits, often in large numbers. The basic function of a BJT is to amplify current. This allows BJTs to be used as amplifiers or switches, giving them wide applicability in electronic equipment, including 

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  • history of transistors The Transistor Museum

    You can LEARNING ABOUT GERMANIUM HOBBYIST TRANSISTORS. Page 12. CLASSIC HOBBYIST TRANSISTOR COMPANIES. Raytheon. General Electric (GE) .. germanium PNP alloy devices, such as the 2N109, best.

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  • AF379 Datasheet pdf PNP GERMANIUM RF TRANSISTOR

    AF379 datasheet, AF379 pdf, AF379 data sheet, datasheet, data sheet, pdf, Siemens, PNP GERMANIUM RF TRANSISTOR.

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  • Five O'Clock Fuzz 1776 Effects

    The Five O'Clock Fuzz is a traditional fuzz face with PNP Germanium transistors. But. it sports an onboard charge pump for polarity conversion, now you can have all your classic fuzz tones without fooling with a positive ground effect. It also features a treble bleed addition. This really lets you experience some great lower 

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  • Bistable Current Fluctuations in Reverse‐Biased p‐n Junctions of

    In basetoemitter diodes of pnp germanium transistors biased in reverse direction far below breakdown, bistable current fluctuations have been observed. These fluctuations show the typical waveform of a ranciom telegraph signal. Its statistical properties have been analyzed. The meanvalue crossingtime intervals of.

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  • historic general electric germanium computer transistors

    on its success with germanium transistors, GE was also very active in developing some of the industry's first case style was in contrast with the round "top hat" format used for the early GE PNP transistors, such as section of a table excerpted from the Fifth Edition of the GE Transistor Manual, published in 1960, which.

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  • SSM2220 Analog Devices

    Audio Dual Matched PNP Transistor. Data Sheet The SSM2220 is a dual, low noise, matched PNP transistor, which has been optimized for use .. 10–5. 10–6. 10–7. LOGGIN. G E. R. R. OR. (m. V. ) COLLECTOR CURRENT (A). TA = 25°C. VCB = 0V. 03096004. Figure 4. Emitter to Base Log Conformity. 250. 0. 50. 100.

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  • Build Your Own Clone ESV Fuzz (Germanium) PNP Positive Ground

    E.S.V. Fuzz (Germanium). PNP Positive Ground. Kit Instructions. Warranty: BYOC, Inc. guarantees that your kit will be complete and that all parts and components will arrive as described, functioning and free of defect. Soldering, clipping, cutting, stripping, or using any of the components in any way voids this guarantee.

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  • From The Lab to The Fab: Transistors to The Chip History Center

    an alloy germanium pnp transistor was typically. 10 MHz [140] while a germanium pointcontact transistor exhibited typical values up to 50 MHz. [141]. The fabriion problems were exacerbated inasmuch as the emitterbase junction and the collectorbase junction were fabried from opposite surfaces of the ntype and 

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  • Characterizing Germanium Junction Transistors

    Jan 28, 2018 groups, namely NPN and PNP germanium and silicon devices, occupy mostly nonoverlapping re gions in the Early parameter space, with PNP devices presenting larger parameter variability in both cases. Surprisingly, the considered germanium devices exhibited smaller parameter variability.

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