jessenator
Well-known member
Ehhhhh, maybe
. I changed the layout a bit since that screenshot.
Bring out yer Diptrace
- Thread starter Grubb
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. I changed the layout a bit since that screenshot.Input guarding rather...Ehhhhh, maybe
benny_profane
Well-known member
So, an isolation ring connected to Vref for a typical Rat circuit? I’d have to check my TO-99 package footprint, but implementing that would most likely require a rework.
Just wondering if anyone actually follows datasheet recommendation. I'm guessing few to none.
jessenator
Well-known member
finebyfine
Well-known member
dod vibrothang
jessenator
Well-known member
I'm in a board mood. Super simple, totally original circuit design... yup. Original. Schematic done, board tomorrow maybe. Aiming for single-sided again so can etch.
IDK, because why not.
IDK, because why not.
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jessenator
Well-known member
alright some alterations and a frame to make actual engineers want to strangle me
I'm just starting to get into DipTrace and created this JFET adapter board. Can I just export this as gerber + NC drill, upload to JLCPCB and be done with it? It's literally just a board outline, pads and traces. It looks fine in the gerber viewer. Are the rounded corners going to be an issue?
jessenator
Well-known member
I haven't ordered adapters like this in quite a while, so I'm struggling to remember what their minimum dimensions are. I want to say it's 10x10mm... might have to be panel-ized if it's smaller, maybe? I'm also not sure about the threshold for shapes, but typically curves are fine. If it's overly complex, they just tack on an engineering fee, but that shows up in the item in the cart before you check out.
I just checked, it's 5x5mm minimum size, so that'll work. I'll just give it a try and see how they turn out
jessenator
Well-known member
99% single-sided for etching. Adding in my overly complicated switches and making the layout mostly nice looking and symmetrical necessitates a single jumper across those two square pads under that central switch. But it fits the PPCB 6-hole pattern (well 5, since there's nothing on the middle top, but yeah...)
finebyfine
Well-known member
two sticks of derm with a blendable green ringer in front of it. surprised I didn't make this yet. green ringer blend section is stolen from here: https://www.tdpri.com/threads/the-groble-green-ringer-octave-blend.326950/
Blooze
Well-known member
I have a few I've been messing with getting my feet wet. The SeaMoon is from a while back. The RatBender is a just a Rat and Tonebender mixed together with a rotary switch to select diodes's for clipping. I'm sure I skimmed that off someone (probably here). I have yet to order those and verify them. The rotary switch was just something to make mounting the mini switches off-board easy (I made different shapes besides round for fun) and used it in my Whisper of Screams build. The ALPs one is for a preamp board I have that I can no longer get the pot made for it for the balance control, so I made one for the little RK series that I can mount phoenix blocks on to wire it in with. And then the ubiquitous 3PDT pcb. I made a little voltage inverter for using PNP transistors on a center negative supply too. That one I have used.
Attachments
finebyfine
Well-known member
Working on an AD633 modulator with a raspberry pi pico controlled AD9833 DDS signal generator for the modulation. This is a rough draft bench top PCB for making sure everything works right and determining what features are useful to have in a pedal. If the phase control ends up being useless I might swap out the µc for something smaller with less GPIO pins like something from the attiny series, but I have a ton of these Pico Zero boards on hand and built in usb-c means they're wild easy to program.
mckillacuddy
Member
I’ve got some mk1 Motorola 308s that mention this in the datasheet. Do you have the rest of that document or is that just a snapshot?
It's just a snip from the datasheet
benny_profane
Well-known member
@finebyfine what's going on with those capacitor footprints? 2.5mm, 5.0mm, and 7.5mm lead spacing compatibility?
Turned out fine! A little rough around the edges but it doesn't bother me. I'm happy.I just checked, it's 5x5mm minimum size, so that'll work. I'll just give it a try and see how they turn out
