Zen Mod said:
Thanks for taking the time to reply - I'm sure it you more than a few minutes
I'm no threat on this front.
Thank you - this is what was a mystery for me - I thought they were way different beasts.
Well, yeah, I'm probably gonna have to sub it BUT my question was really general on purpose. I'm just trying to get a feel for them so I can get smarter than you
Hey, next week I'm gonna check out some old microwave radio rf parts that I could swear (from memory) have little six legged metal bugs on them - do you think there's hope for something special? Maybe 'mining' is the secret
mpmarino said:
............
Well, yeah, I'm probably gonna have to sub it BUT my question was really general on purpose. I'm just trying to get a feel for them so I can get smarter than you
..................
in case that you need to sub 'em try here :
http://tiny.pl/5552
"matched pair of 2SJ74"
ask for BL variant,off course
lazy greedy Yank
put blob of thermal grease (not that grease from your leaking lathe ) between them and tie them .......same as two BC critters in CCS
twist them legs as you like
WTF??
180r gate stoppers!@
47r resistors!!$#%^
4.7v zeners!!!! &@!#$%^&^#$%^
your gonna make me go shopping - dammitt!!
Can I at least stick mpsa in place of BC ?
Kidding aside - I wanna play with smaller outputs than the monsters you stuck in there, prob something to-220. I stuck 1r source and speek resistors in there as a starting point. I can easily parallel something in there later - do you think it is a good direction?
mpmarino said:
WTF??
180r gate stoppers!@
47r resistors!!$#%^
4.7v zeners!!!! &@!#$%^&^#$%^
your gonna make me go shopping - dammitt!!
Can I at least stick mpsa in place of BC ?
Kidding aside - I wanna play with smaller outputs than the monsters you stuck in there, prob something to-220. I stuck 1r source and speek resistors in there as a starting point. I can easily parallel something in there later - do you think it is a good direction?
for gate stopers use whatever you have from 150 to 330ohms ;
47E resistors ........... "don't touch my circles" !!
4V7 zeners - you can omit them if you are always sober when you pull or put cables in da amp
use 0R33 source and speek resistors and use those dreky big mosfets
in fact- what voltage and current you want to have here?
edit- you can use mpsa instead of BC........use whatever little critter you have in drawer ........withsame polarity ,off course,and be careful with pinout
-ing you.
Higher Rail Voltage ... LTP CCS values
Hello All,
I am selecting parts for a Choky-Zenmod's Babelfish J-X . I note that the values for the constant current supply for the long tailed pair in the Babelfish-J (24V rails) and the Babelfish-J-X (15 V rails) are the same.
1. Will the values in that circuit give the "best" results with both rail voltages, or can some improvement be made by changing the values with higher voltages?
2. I know that adjusting the 10k variable resistor alters the DC gain. Does it alter the "Aleph gain" or the "AC gain" of the output stage also?
Regards and thanks,
George.
Hello All,
I am selecting parts for a Choky-Zenmod's Babelfish J-X . I note that the values for the constant current supply for the long tailed pair in the Babelfish-J (24V rails) and the Babelfish-J-X (15 V rails) are the same.
1. Will the values in that circuit give the "best" results with both rail voltages, or can some improvement be made by changing the values with higher voltages?
2. I know that adjusting the 10k variable resistor alters the DC gain. Does it alter the "Aleph gain" or the "AC gain" of the output stage also?
Regards and thanks,
George.
Re: oops ...
1. irrelevant ; leave it as is - in both cases you'll have enough base current for little BC critter
2 . proper definition ( or xplanation) can be " alters the AC gain of Aleph CCS "
hehe- in fact - that trimpot doesn't alter "Aleph CCS AC gain" ,at least not in significant amount ; it's there just for rough adjust of Iq
again- I didn't tested that schmtc,at all ;
Lucky Luke started in building it,but he wandered from it few months ago....... vacations,fun,blues,Krells,vacations,fun,blues,sex, Krells,vacations........
GeorgeBoles said:
GeorgeBoles said:
1. irrelevant ; leave it as is - in both cases you'll have enough base current for little BC critter
2 . proper definition ( or xplanation) can be " alters the AC gain of Aleph CCS "
hehe- in fact - that trimpot doesn't alter "Aleph CCS AC gain" ,at least not in significant amount ; it's there just for rough adjust of Iq
again- I didn't tested that schmtc,at all ;
Lucky Luke started in building it,but he wandered from it few months ago....... vacations,fun,blues,Krells,vacations,fun,blues,sex, Krells,vacations........
Excellent
Dear Zenmod-Choky,
Thank-you for your assistance. I also feel happy that I at least have understood the circuit enough to that point.
I know that that circuit is untested ... but given the "stability" and of the Aleph-X circuit, and that yours is only a "minor change", I feel hopeful that all should go well. If my work fails, I can re-build as a standard Aleph-X or as a "standard" Babelfish-J ... as long as I haven't smoked too many parts.
I am just fin tuning my component layout on my board as I type to you.
Regards,
George.
Dear Zenmod-Choky,
Thank-you for your assistance. I also feel happy that I at least have understood the circuit enough to that point.
I know that that circuit is untested ... but given the "stability" and of the Aleph-X circuit, and that yours is only a "minor change", I feel hopeful that all should go well. If my work fails, I can re-build as a standard Aleph-X or as a "standard" Babelfish-J ... as long as I haven't smoked too many parts.
I am just fin tuning my component layout on my board as I type to you.
Regards,
George.
Hello Zenny,
We retrieved only about five small items. The police found one of the criminals who had these items, and a LOT of other items stolen from other houses.
But, these scum stick together, like the slime on the bottom of a stagnant pond, and he would not tell who else was involved, or where the other items might be.
I will really miss not having the 1780's grandfather clock and the Sopwith bookcase in the family. They were really nice. (Besides, not everyone has a real Sopwith in their homes. A Sopwith Camel or a Pup would have been better, but this was much more practical.) I really liked the slate clock, too.
Stolen antiques are a HUGE area of criminal activity now. These blokes are really organized, and they are happy to wait a year or more to unload high quality goods, and to move them around the world. The grandfather clock is worth more than a 6-cylinder Opel family sedan, and, at a similar price, the Sopwith bookcase was a really smart and very well cared-for piece of furniture.
Have you popped into my website recently ... has some pictures of my stereo, an older version of my LM3886 amp, and what (I hope) is an encouragement to others to try out DIY hifi. My son told me it was too boring, but it is all I have time to do with "notepad.exe". I have yet to put in some piccies of my NS-10, and the circuitboard layouts as well. I probably should also cut some of the pages up and make them separate topics. But that is for another day.
Regards,
George.
We retrieved only about five small items. The police found one of the criminals who had these items, and a LOT of other items stolen from other houses.
But, these scum stick together, like the slime on the bottom of a stagnant pond, and he would not tell who else was involved, or where the other items might be.
I will really miss not having the 1780's grandfather clock and the Sopwith bookcase in the family. They were really nice. (Besides, not everyone has a real Sopwith in their homes. A Sopwith Camel or a Pup would have been better, but this was much more practical.) I really liked the slate clock, too.
Stolen antiques are a HUGE area of criminal activity now. These blokes are really organized, and they are happy to wait a year or more to unload high quality goods, and to move them around the world. The grandfather clock is worth more than a 6-cylinder Opel family sedan, and, at a similar price, the Sopwith bookcase was a really smart and very well cared-for piece of furniture.
Have you popped into my website recently ... has some pictures of my stereo, an older version of my LM3886 amp, and what (I hope) is an encouragement to others to try out DIY hifi. My son told me it was too boring, but it is all I have time to do with "notepad.exe". I have yet to put in some piccies of my NS-10, and the circuitboard layouts as well. I probably should also cut some of the pages up and make them separate topics. But that is for another day.
Regards,
George.
GeorgeBoles said:
drek happens all the time ;
one thing is when someone ripp you off for just stuff ,and completely other issue is when things of passion and heritage are stolen.........
yup, I looked at your site ;
it's not boring certainly,even if chip amps are not exactly my cup of tea
( been there...)ya need nice little WYSIWYG web building proggie?
- Status
- This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.