Ac128 datasheet, ac128 pdf, ac128 data sheet, ac128 manual, ac128 pdf, ac128, datenblatt, electronics ac128, alldatasheet, free, datasheet, datasheets, data sheet. Ac datasheet, ac pdf, ac data sheet, datasheet, data sheet, pdf, gpd. These transistors were mostly used in audio output stages, as well as in earlier parts of the audio circuitry. Offering a matched set of three ac125 germanium pnp transistors for tone bender mkiimarshall supa fuzz. Invention of transistor was done by great american scientist mr. Ac128 datasheet, ac128 pdf, ac128 data sheet, ac128 manual, ac128 pdf, ac128. Still others claim that the arbiter fuzz face, the first run of the unit had sf363 transistors in it see 1992 guitar player mag. Diodes and transistors pdf 28p this note covers the following topics. Low frequency transistor that has ft of 150mhz has higher parasitic capacitance and other parameters, those a device dependent and you cant count on it.
The simulation works with 2n3904s but i want to get a better feel for how it might have worked with older parts. It is very a small power amplifier, but good quality audio class ab amplifier in hifi applications. Another kind of transistor is the junction field effect transistor of jfet. Jun 14, 2017 i am trying to simulate an 50yearold circuit that i am guessing used germanium transistors. Sep 27, 2019 ac128 transistor datasheet pdf ac datasheet pdf download germanium small signal transistors, ac data sheet. Ac128 datasheet, equivalent, cross reference search. I have, however, been hankering after a germanium fuzz face and so had a look inside my fuzz face. Wherever you need to control the flow of electricity in a device from transistor radios, to diodes, to circuit boards you can find a great collection of transistors on ebay. Etc1, alldatasheet, datasheet, datasheet search site for electronic components. All newmarket transistor circuits use chip transistors, diodestransistor packages. Applies to shipments to germany with our standard courier service dhl when paid via paypal, credit card or lastschrift. On the small bear fuzzface faq, there is a drawing that illustrates how to measure transistor leakage near the end of the page. They were created by philips and mullard in 1963 and introduced in april 1966. Mar 16, 2020 an ac128 transistor is a germanium positivenegativepositive pnp smallsignal amplifier.
The theory and labeling of the terminals is a little different for the jfet. Im working on a guitar pedal that calls for a ac128 germanium pnp transistor and i was wondering why i might not want to just get a modern equivalent. Tube ac 187 or rohre ac187 id33704, transistor, wires and poweroutput shown. Ac128 transistor pdf tube ac or rohre ac id, transistor, wires and poweroutput shown. Rin is the input impedance of the transistor and vtin is the voltage drop across it.
Liven up your fuzz face, pimp your fuzz factory, wrangle your rangemaster. Ac128 germanium transistor germanium transistors parts. The fuzz face is a distortion guitar pedal designed in london by arbitrer electronics ltd in the autumn of 1966. Germanium pnp transistors, manufactured by toshiba ac128 transistors are a popular choice for fuzz and overdrive pedals. The component capable of delivering 2w continuously an used the ac128. This concerns european series like acs, industrial series acys, asys, aszs, the british nkts and the japanese 2sas. A wide variety of ac127 transistor options are available to you, there are 10 suppliers who sells ac127 transistor on, mainly located in asia. Tfk 949 al103 2n1167 halbleiter index transistor ad161 ac128 bsy19 tfk 1007 ac2. Ac128 pdf, ac128 description, ac128 datasheets, ac128 view. Therefore, this manual presents first the theory of diodes, as introduction to the theory of the threeelement transistors. In certain cases, the quoted collector current may be exceeded. Despite all this superstition, which normally sends me running, i went for a pair of ac128 germanium transistors from mammoth electronics. However, it works very well with the ac125 or ac128 tungsram.
Ac128 01 datasheet, equivalent, cross reference search. The ac128 transistor has become virtually obsolete, as have most other germanium transistors. Ac128 germanium transistors transistorsics lowleakage pnp germaniums perfect for all your fuzzy desires. Ac128 datasheet, ac128 datasheets, ac128 pdf, ac128 circuit. Ac128 datasheet, ac128 pdf, ac128 data sheet, datasheet, data sheet, pdf, gpd optoelectronic devices, germanium small signal transistors. The ac128 is a great sounding germanium transistor but if you buy many of them, there will be a large number left over that have too much basetoemitter leakage to be useful in a voltage amplifier circuit. Spice models for ac127 and ac128 i made on a fairly detailed datasheet. Germanium ppp nftransistor fur endstufen, als transistorpaar fur gegeotaktbschaltungen, in verbindung mit ac 127 als komplementares. Universally useful and adaptable, the transistor is an essential component of electronic circuitry. This paper calculates a working model of a vintage ac128 transistor. The transistor used in these projects is coded ac128.
Visit cricklewood electronics for professional cctv systems that give full security to the homeowner. I dont suppose you knew or remember the hfe value of the ac that you used. Fully tested with a peak atlas dc55 and sorted for gain, compensating for leakage. Ac12701 datasheet, cross reference, circuit and application notes in pdf format. Tube ac 128 or rohre ac128 id33948, transistor, wires and poweroutput shown. Split pdf file separate one page or a whole set for easy conversion into independent pdf files. Jun 16, 2015 the to1 standard was the first allmetal case used for germanium transistors when the black glass models were abandoned around 1964. Ac128 ge pnp transistor spice model jim hagerman 011620 developing accurate spice models is no easy task, but possible by working backwards from the ebersmoll equations used in simulation. Merge pdf files combine pdfs in the order you want with the easiest pdf merger available. The early ac128 and sf363e fuzz faces are probably only a myth. Ac128 datasheet pdf 1 page new jersey semiconductor products, inc. Accelerometer demo running on 8bit s08 ac128 in data averaging mode.
Fuzz simulation ge transistor ni community national. Initially in metal to18 packages, the range expanded over time to include other package. The basic bipolar transistor or bjt is two diodes constructed back to back on a piece of silicon. Im struggling with fuzz simulation, the problem is ac128 transistor. The value of this current is given in the data sheet for d. Number of channels, transistor polarity, vds drainsource breakdown voltage, id continuous drain. His limited band x gain product causes a tonality that one can find a bit too dark when used in classic two transistors fuzzboxes. Apr 29, 2012 for me, i would use a higher frequency transistor to do a 100mhz oscillator. The ac128 transistor must be mounted with each lead in the correct.
The numbers of some that type transistors are ac127, ac128, ac187, ac188. Its never really done it for me so i mostly use a bc108 sunface. Is there any equivalent transistor i can use in place of this one, something that is easiercheaper to get a hold of. Transistor theory illustrated re transistor theory may be learned more readily than otherwise by first having an understanding of a twoelement device, or diode. Ac128 datasheetpdf 1 page list of unclassifed manufacturers. Buy low price, high quality ac128 transistor with worldwide shipping on aliexpress. Ac128 datasheet germanium small signal transistors. Aug 08, 2011 im working on a guitar pedal that calls for a ac128 germanium pnp transistor and i was wondering why i might not want to just get a modern equivalent. He goes on to say that tungsrams first transistors were copies of the ussr types. Delivery times for other countries and shipping methods can be found on our shipping information page. Audio medium power types oc72 oc81d oc81 can be replaced with an ac128, a relatively high voltage, high current device.
Ac128 germanium fuzzface with fuller mods from diy. Pdf ac128 ac128 transistor transistor ac128 ac128 datasheet data sheet of transistor ac128 ac128 transistor datasheet ac128 transistor images mc9s08ac128 datasheet ac128 demo51ac256kit. It shows the spice models for the ac127 and ac128 bertus. To change the order of your pdfs, drag and drop the files as you want. The nte158 is a germanium pnp triode transistor in a to1 type package designed for low. Ive got a dennis cornell reissue fuzz face grey one from about 2001ish.
I have seen images of tungsram ac128 in the same outline as the oc types. And as for my mystery ediswan transistor i found this page on them for anyone that may find one aswell. The to1 package was widely used by mullard example devices include ac127, ac128, ac176, ac187, ac188. The driver is currently an ac128, and likewise the two output transistors. Rearrange individual pages or entire files in the desired order. Antique radio forums view topic olson super micro transistor. I dont want the parameters of the transistor to get in the way. Ac128 transistor datasheet pdf ac datasheet pdf download germanium small signal transistors, ac data sheet. It was primarily used in guitar effects equipment and amateur radio sets. Im looking at buying transistors and noticed its extremely difficult to find ac 128 transistors, as noted on the fuzz factory schematic.
I tested these models and everything worked for me. C128 datasheet, c128 pdf, c128 data sheet, c128 manual, c128 pdf, c128, datenblatt, electronics c128, alldatasheet, free, datasheet, datasheets, data sheet, datas. Ac125 germanium pnp transistors matched set for a tonebender. If you continue without changing your cookie settings, well assume that you are happy to receive all cookies on our website. The bc107, bc108 and bc109 are generalpurpose low power silicon npn bipolar junction transistors found very often in equipment and electronics booksarticles from europe, australia and many other countries from the 1960s. Gc301n wets and smooths their sharp granularity, while ac128 and especially ac125 come nicely kick its ass. Recall that a diode consists of a n doped or excess. On the small bear fuzzface faq, there is a drawing that illustrates how to measure transistor. Ac1xx transistor bipolar online from elcodis, view and download ac128 pdf datasheet, tools specifications. Ac128 datasheetpdf list of unclassifed manufacturers. Nte158 germanium pnp transistor audio power amplifier description. Germanium small signal transistors, ac128 datasheet, ac128 circuit, ac128 data sheet. Basic semiconductor physics, diodes, the nonlinear diode model, load line analysis, large signal diode models, offset diode model, transistors, large signal bjt model, load line analysis, small signal model and transistor amplification. Does anyone have spice models for germanium transistors.
The layout also uses a 10k trimpot on the collector of q2 so that that biasing can be adjusted precisely. Ac128 datasheet pdf germanium small signal transistors gpd. The new fuzz face pcb and layout that i have drawn is based on the axis face circuit board, which is quite possibly the smallest and most compact fuzz face circuit board available. Ac128 germanium transistor pnp hfe 100 build your own. Most people generally agree that the ac128 3 transistor was the first, though a few say that the nkt275 was the first. This means i must use positive ground when i wire everything up. Calculations straight from data sheet we can read typical forward gain. Ac127 datasheet, equivalent, cross reference search. Two germanium transistors type ac are selected by us for the. Etc1 germanium small signal transistors,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. So every time i used a transistor circuit in a project, i would promptly forget the proper configuration for doing it, and everything i knew about which transistor type did what, and ive have to look it all up again next time. Small signal transistors pnp high voltage transistor chip. Ac128 datasheetpdf 1 page new jersey semiconductor.
A typical pnp transistor, such as the ac128, is composed of a layer of negative material sandwiched between two positive layers. Nte158 germanium pnp transistor audio power amplifier. Oc44 oc75 ac128 npn ac176 ac127 oc140 regards tony. The transistors are from a sealed bag from the 1970s and are gain matched and checked for proper leakage with a peak atlas dc55 transistor tester, and checked in circuit in one of my test pedals. Af109r datasheet, cross reference, circuit and application notes in pdf format.
Low power af amplifier transistors like the oc71 can be replaced with the economically priced ac125. Ac128 datasheet pdf 1 page list of unclassifed manufacturers. This is further substantiated by a hungarian data book 7. This analysis covers the first arbitrer fuzz face model equipped with pnp germanium transistors from the first releases.566 1600 288 1621 74 898 1230 1248 687 539 127 1026 345 32 1598 1033 1106 69 17 341 1021 905 1532 665 781 1164 1360 94 138 5 523