I sold the boss on a updated Blameless to modernize the current one.
If a user wants to use the modular approach , I would suggest just not
populating the wolverine.
You see the extra 12V supplies. Easy to just make a wolverine daughtercard.
Female header will match the male one onboard.
Thanks JK , you see I am utilizing your "style".
OS
That is why I made the 12V supplies integrated with the OPS.
I could pop off spooky in few hours. Spooky and greenamp are way more
symetrical. I could go way more dense , I'm not even making full use of
the second side with Wolverine.
PS - I forgot the main IPS decouplers.
Fixed the trimmers (both) , too.
OS
Attachments
In case when trimmer is from outside reached, the same must nead for the test points.
I sold the boss on a updated Blameless to modernize the current one.
If a user wants to use the modular approach , I would suggest just not
populating the wolverine.
You see the extra 12V supplies. Easy to just make a wolverine daughtercard.
Female header will match the male one onboard.
Thanks JK , you see I am utilizing your "style".
OS
It looks good. Looks like some recovered macros from the SM artwork, which is cool to see.
I started a layout myself in a similar direction with a different design using a daughter card IPS, though not related to the slews nor UMS compliant.
It will represent a nice upgrade to the Badger and should go over well with the DIYA store.
After all my "humming and hawing", and discussion with AndrewT, and probably a few others I can't remember... That's exactly what I chose for my 2.4 Badger.
Perhaps someone has an objection... But whats good for the badger, is good for the wolverine. No, wait now... If it's good for the goose, it's good for the Gander. Meh.
SMD for Audio Power Amps?
Maybe this is an aspect not so obvious for diyA...
Did anyone ever considered to used "surface mounted devices" for (at least) IPS? I could save pcb-space, reduces parasitic inductances/capacitors by shorter connections and could be applied to both sides of the board.
Of cause I am talking about those SMDs, that can be handled and soldered manually without glueing or reflow-soldering and not the microscopic stuff.
In detail:
-Resistors with <125mW could be replaced by Mini-Melf MMA0204 metall-film resistors with 1% tolerance...no chip-resistors
- Capacitors...I would not touch; as ceramic-chip are inferior to film-caps.
- diodes, zener and LEDs wouldn't make a significant difference; don't touch either
- transistors could be better in SMD (e.g. SOT-23) as paired transistors are available, sharing the same package.
- ICs could be quite smaller...if any present in the circuit: SO14 rather than DIP14
Another real advantage is handling: the above components can be replaced way easier on the board than any through-hole component. No cutting of wires any more...
I noticed above, that BC560C might be hard to find these days...how about BC860C?
SMD maybe is an odd idea, but should be considered (,if not already done) for the 3rd decade of the 21st century.
Maybe this is an aspect not so obvious for diyA...
Did anyone ever considered to used "surface mounted devices" for (at least) IPS? I could save pcb-space, reduces parasitic inductances/capacitors by shorter connections and could be applied to both sides of the board.
Of cause I am talking about those SMDs, that can be handled and soldered manually without glueing or reflow-soldering and not the microscopic stuff.
In detail:
-Resistors with <125mW could be replaced by Mini-Melf MMA0204 metall-film resistors with 1% tolerance...no chip-resistors
- Capacitors...I would not touch; as ceramic-chip are inferior to film-caps.
- diodes, zener and LEDs wouldn't make a significant difference; don't touch either
- transistors could be better in SMD (e.g. SOT-23) as paired transistors are available, sharing the same package.
- ICs could be quite smaller...if any present in the circuit: SO14 rather than DIP14
Another real advantage is handling: the above components can be replaced way easier on the board than any through-hole component. No cutting of wires any more...
I noticed above, that BC560C might be hard to find these days...how about BC860C?
SMD maybe is an odd idea, but should be considered (,if not already done) for the 3rd decade of the 21st century.
I liked the way the input cap was laid out on the old badger. Most people would find caps they like within those footprints.
It looks good. Looks like some recovered macros from the SM artwork, which is cool to see.
I started a layout myself in a similar direction with a different design using a daughter card IPS, though not related to the slews nor UMS compliant.
It will represent a nice upgrade to the Badger and should go over well with the DIYA store.
I prefer the Wima 63V 4.7uF's
Jeremy
Oh those are good parts. I wasn't meaning to limit only to the Wimas, options are good as long they aren't too big.
Final - big caps are good ....
All done , Maybe just some final tweaking.
Please help me find any errors. Two photo's and the Sprint .LAY6 files.
Big caps up to 15mm will fit perfect. 5,7.5, 10, 12.5 lead space.
Those big 38mm ones , you might still be able to fit them.
OS
All done , Maybe just some final tweaking.
Please help me find any errors. Two photo's and the Sprint .LAY6 files.
Big caps up to 15mm will fit perfect. 5,7.5, 10, 12.5 lead space.
Those big 38mm ones , you might still be able to fit them.
OS
Attachments
