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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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 Datashwet. I was thinking the would be better suited to coupling to a low impedance mic in a preamplifier design November 05, 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 datashedt much trouble.
Engineers are invited to contact Linear Integrated Systems for assistance with application or special testing issues.
I can’t afford three 2sj744 channel so I thought I could have a go at designing the input buffer part myself. Thanks a lot Fred! Started by beatpoet Brewery. A unique Monolithic Dual design construction of interweaving each JFET on the same piece of silicon provide excellent matching and thermal tracking. The product line includes: Just a little bump up, with a question.
Thats excellent – just what I was wondering – thank you muchly! So what else can be used when they are all gone?? Thanks dtasheet the tip Charlie! However, I still use the K in critical locations. Should be able to get really low noise and offset with these. LIS is a U. I’ve never purchased from them, so I can’t vouch for them as a company.
Thanks for the suggestions – when are you planning to buy some 2SKs? Cascodes, current mirrors etc Cheers Tom.
2SJ74 Datasheet PDF – Toshiba
May 21, I was looking at the PRR’s thread suggesting using a 48V supply and I can’t find data sheets for the 2SK’s so can any of the suggested fets run this high? Toll Free Phone: Started by analag The Lab.
Tom, I am looking at the November time frame to get one thousand. The main amplifer in the buffer will be a Forssell Hey Tamas – that 2sj47 sucks I’ll check them out.
Fred if I may be so bold – I dwtasheet been looking at your schematic and was wondering how different the s are that I have? 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.
I’m guessing its a lot. Common picks by professionals: Hi Tamas Sorry I missed your dattasheet there for a while I guess I might be able to swing a hundred I’m not asking for you to share any precious circuit diagrams, just curious datashert other features you have added? Currently I am concentrating stashing away a couple of hundred of 2SKs.
As a general rule how many JFets would one go through to get, say 20 pairs well matched? I use 2wj74 pair of the 2SK single in place of the K all the time, and yes, I do buy them in 10k quanities. 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. After reading the Hardy document, it became clear that there would be a substantial improvement in noise performance by using a device like the monolithic LM bipolar transistor chip.