2SJ 1. TOSHIBA Field Effect Transistor Silicon P Channel Junction Type. 2SJ Low Noise Audio Amplifier Applications. · Recommended for. 2SJ74 datasheet, 2SJ74 circuit, 2SJ74 data sheet: TOSHIBA – Low Noise Audio Amplifier Applications,alldatasheet, datasheet, Datasheet search site for. 2SJ74 datasheet, 2SJ74 circuit, 2SJ74 data sheet: TOSHIBA – P CHANNEL JUNCTION TYPE (LOW NOISE AUDIO AMPLIFIER APPLICATIONS), alldatasheet.
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December 21, When used together, the LSJ and LSK are ideal for differential input stages for amplifier, phono, and preamplifier designs. However, I still use the K in critical locations. Not that the makes a poor line level device Thanks a lot Fred! Recommended JFETs for audio and their application: And J for switching?
I’m bummed that Toshiba has discontinued these and not offered a replacement. Linear Integrated Systems supplies pin for pin replacements for more than 2, discrete devices currently offered or discontinued by Interfet, Intersil, Micro Power Systems, Motorola, National, Fairchild, Toshiba, and Siliconix-Vishay.
February 25, Additionally, the monolithic dual construction of the LSJ and LSK provides better solutions for obtaining tighter Idss drain-source saturation current matching and improved thermal tracking than matching individual JFETs.
Thats great stuff Tamas – cheers!
2sj74 TOSHIBA Semiconductor CORPORATION, 2sj74 Datasheet
Hi Tamas Sorry I missed your reply there for a while I use a pair of the 2SK single in place of the K all the time, and yes, I do buy them in 10k quanities. The product line includes: Additional applications for the LSJ include voltage controlled resistors, thermal stable source followers, sample and hold, and current matched sources.
It seems to me that all the good audio parts are being discontinued – don’t you find it worrying that you may not be able to build your in the near distant future? Thanks for the tip Charlie! Currently I am concentrating stashing away a couple of hundred of 2SKs. I’m going to compare specs from the datasheets November 05, Common picks by professionals: The main amplifer in the buffer will be a Forssell I was wondering if anyone knows of any JFET chips that feature a similiar number 50!
I will try to get a load of s before there all gone I’m not asking for you to share any precious circuit diagrams, just curious what other features you have added? Thats excellent – just what I was wondering – thank you muchly! Toll Free Phone: The company’s small-signal discrete product lines are specifically designed to service the new design and second-source requirements of customers in the audio, hybrid, medical, space, test and measurement markets.
Microphone amplifiers, phono preamplifiers, audio amplifiers and preamps, discrete low-noise operational amplifiers, battery-operated audio preamps, audio mixer consoles, acoustic sensors, sonic imaging, and instrumentation amplifiers, wideband differential amplifiers, high speed comparators, impedance converters, voltage controlled resistors, sample and hold, source followers.
Tamas, let me know if you want a hand adding to your total buy of the 2SKs – I may be in for at that price if its not too much trouble.
Hey Tamas – that sure sucks Fred if I may be so bold – I have been looking at your schematic and was wondering how different the 2s74 are that I have? Started by beatpoet Brewery. Should be able to get really low noise and offset with these. If it’s OK to provide scans of recent magazine articles I can provide.