FT from American Microsemiconductor, Inc.. Find the PDF Datasheet, Specifications and Distributor Information. FT datasheet, cross reference, circuit and application notes in pdf format. ft datasheet, cross reference, circuit and application notes in pdf format.

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I see that 10R series base resistors are used in the output stages, so faster output transistors are unlikely to cause difficulty.

We will try and send a revised invoice asap, although there will be a delay on the weekend. How do you get matched pairs of transistors normally?

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Can be found at most electronic distributors. That’s enough increase in speed to provoke HF instability in some amp circuits, so the repair definitely should be checked for parasitic oscillation.

Yes, my password is: A recap, for example, won’t help at all? However, the DC offset is very high. That confirms that the TIPs are not original!

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FT3055 Datasheet, Equivalent, Cross Reference Search

Surface Mount Manufacturer data sheet is available here: As mentioned, the originals are TIP34B datasheetbut on the blown channel, someone has replaced the transistor with a 2SB datasheet. Thank you for the suggestions. If anybody is interested, here’s a schematic of the amp GIF, kB. There are no adjustment points for DC offset in this amp. Oregon, land of magnificent stumps. IMO the 2sb and 2sd would probably be the best sounding if you could get the original Toshiba parts – most are now made in China and vary in quality and reliability.


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And then there are three more, I have not looked at them because they are hard to reach, but according to the schematic they are either: No matter where I put the probes, I get continuity. Please provide a valid price range. Guaranteed 3 day delivery. Dwtasheet do intend to get the proper transistors soon, this was just a test.

I do not really understand how to find comparable devices, so I would really, really appreciate some guidance on this.

The original output transistors were TIP34B, and I need replacements but they seem to be impossible to find. A random pair of KSA devices from the same batch are probably matched well enough for the input diff-amp stage, especially if you get them from the highest hFE dtasheet F or E. More refinements More refinements This is very educational and fun for me. This Buy It Now is for 15 buffers. Sub Category Line Driver or Receivers. If it’s clean, then overall amp performance is likely to be improved.


And finally, 2SC or 2SC Receiver Number of Bits 1.

ft datasheet & applicatoin notes – Datasheet Archive

There are seven transistors in total on each power amp section. Fairchild Industries Filter Applied. BinaryMikeAug 1, I’ve looked at the schematic several times before but did not find anything that I could understand that well.

Just get a big bag and test them? I can find these, but I do not know ft295 they’re a good replacement. Delivery Options see all. I have an amp with a blown channel. In stock at mouser. All Auction Buy It Now. Guaranteed by Sat, Jan 5. Maybe that is why it has been smoked? Transistors Bipolar – BJT. Is it likely that any of these dayasheet be causing a high dc-offset?

Dr TinearJul 29, Now, with your insight, I looked again and found something of great interest! Thanks for the advice ddatasheet far. If I try anyway, do you still think that maybe the DC offset would be improved?

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