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strange animal

Started by John Larkin January 27, 2015
http://www.genesicsemi.com/images/products_sic/sjt/GA16JT17-247.pdf

Only $100 each!


-- 

John Larkin         Highland Technology, Inc
picosecond timing   laser drivers and controllers

jlarkin att highlandtechnology dott com
http://www.highlandtechnology.com

On Mon, 26 Jan 2015 20:19:59 -0800, John Larkin
<jlarkin@highlandtechnology.com> wrote:

> >http://www.genesicsemi.com/images/products_sic/sjt/GA16JT17-247.pdf > >Only $100 each!
Nice gate charge. Cheers
John Larkin wrote:
> > http://www.genesicsemi.com/images/products_sic/sjt/GA16JT17-247.pdf > > Only $100 each! > >
What the heck is the use for U4, Figure 24?
Martin Riddle wrote:
> On Mon, 26 Jan 2015 20:19:59 -0800, John Larkin > <jlarkin@highlandtechnology.com> wrote: > >> >> http://www.genesicsemi.com/images/products_sic/sjt/GA16JT17-247.pdf >> >> Only $100 each! > > Nice gate charge. > > Cheers
Cannot e too picky at $100 per electron..
On 27/01/2015 06:01, Robert Baer wrote:
> John Larkin wrote: >> >> http://www.genesicsemi.com/images/products_sic/sjt/GA16JT17-247.pdf >> >> Only $100 each! >> >> > What the heck is the use for U4, Figure 24? >
U3 and U4 look like they should be isolated DC-DC converter blocks, but are poorly drawn. Cheers -- Syd
On a sunny day (Mon, 26 Jan 2015 20:19:59 -0800) it happened John Larkin
<jlarkin@highlandtechnology.com> wrote in
<la4ecalr93ng8j003hj80mkfu7o9lf6bq5@4ax.com>:

> >http://www.genesicsemi.com/images/products_sic/sjt/GA16JT17-247.pdf > >Only $100 each!
gate drain 103 nC???? At 1700 V? Internal gate resistance in the few Ohms range Would not be sure how to drive that thing...
On Monday, January 26, 2015 at 11:20:12 PM UTC-5, John Larkin wrote:
> http://www.genesicsemi.com/images/products_sic/sjt/GA16JT17-247.pdf > > Only $100 each! > > > -- > > John Larkin Highland Technology, Inc > picosecond timing laser drivers and controllers > > jlarkin att highlandtechnology dott com > http://www.highlandtechnology.com
Ahh, can I ask some silly questions? Why is it called a junction transistor with gate, source and drain. It looks like a fet? Jfet? Then they draw it later as a bipolar transistor. And the gate source "leakage" current is 20nA? George H.
On Monday, January 26, 2015 at 11:20:12 PM UTC-5, John Larkin wrote:
> http://www.genesicsemi.com/images/products_sic/sjt/GA16JT17-247.pdf > > Only $100 each!
It's for high end critical application products, nothing cheap. And they're thinking: https://www.littleboxchallenge.com/
> > > -- > > John Larkin Highland Technology, Inc > picosecond timing laser drivers and controllers > > jlarkin att highlandtechnology dott com > http://www.highlandtechnology.com
On Tue, 27 Jan 2015 06:34:51 -0800 (PST), George Herold
<gherold@teachspin.com> wrote:

>On Monday, January 26, 2015 at 11:20:12 PM UTC-5, John Larkin wrote: >> http://www.genesicsemi.com/images/products_sic/sjt/GA16JT17-247.pdf >> >> Only $100 each! >> >> >> -- >> >> John Larkin Highland Technology, Inc >> picosecond timing laser drivers and controllers >> >> jlarkin att highlandtechnology dott com >> http://www.highlandtechnology.com > >Ahh, can I ask some silly questions? >Why is it called a junction transistor with gate, source and drain. >It looks like a fet? Jfet? >Then they draw it later as a bipolar transistor. >And the gate source "leakage" current is 20nA? > >George H.
It seems to act like a bipolar transistor, but with 3 volts Vbe on. Once you start doing heterojunction tricks, zillions of possibilities open up, nuch more than what you can do by doping silicon. I've noticed a bipolar mode in e-phemts, namely lots more drain current when the gate begins to conduct. -- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com