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I wasn't referring to Tayda, actually. I was referring to using a jumper instead of an inductor. If you plug these values into an LC filter calculator, you'll get the filter's GHz cutoff values.

Now I have it installed. make -C libDaisy worked without errors, same with make -C DaisySP. Now I get errors when trying to compile to bin files. pluto.cpp: In function 'int main()': pluto.cpp:926:8: error: 'class daisy::DaisyPetal' has no member named 'InitMidi' 926 | hw.InitMidi()...

https://forum.pedalpcb.com/threads/whats-on-the-workbench.4225/page-159#post-362042

I agree.. Now I have everything in my user directory. It's better, but still a bit of a struggle. $ make -C libDaisy make: Entering directory 'C:/Users/root/FunBox/libDaisy' mkdir -p build/Drivers/Patched/STM32H7xx_HAL_Driver/Src arm-none-eabi-gcc -mthumb -mfloat-abi=hard -mfpu=fpv5-d16...

J113, 2N5457...

Until now, I've been playing with pre-made bin files downloaded from Releases. But I wanted to try Mercury, which isn't available as a bin file. So... I installed Git, downloaded everything I needed, and replaced the daisy_petal files. The first problem occurred with the next step - I ran Git...

How dare you...

There is enough space to easily fit a 6.3mm diameter cap. Just pay attention to the pinout raster - it looks like 2.5mm.

Not necessarily. It could be the GND solder pad, so it's normal for there to be a connection to the surrounding copper layer. Look at the solder pad marked in red. There are small bridges (like spokes) connecting the solder point to the copper (called thermal reliefs). Take a good look around...

Check this out. It's a great method for desoldering multi-pin components.

Before you swallow them? :) Sorry, I couldn't resist. Maybe you have a pedal where the opamp can be swapped? Single opamp.

If it works, why change? :) I've tried switching to Kicad several times and keep coming back to Eagle. Switching is difficult once you've developed Eagle habits.

Once you have the transistors matched, the fun begins with turning the bias trimmer, like a ham tuning a radio to a weak SSB station... left, right, left, right... nope. In fact, there are usually a few cool settings for a given set of transistors. There are different modulation patterns, and...

Testing the circuit on a breadboard now. three sets of matched JFETs. Same settings for the first three samples: speed, depth (max), color (zero). #1 J113 with vp around -1.75V #2 J113 with vp around -2.21V #3 MMBF5457 with vp arounf -1.6V Then #4, #5 and #6 in the same order but I played...

This yellow sulfur is quite good. Unfortunately, local suppliers only offer a powder with a smooth finish :(

@Robert - it's me again... I just wanted to make sure these are the correct connections for the dpdt. The connections in the schematic are identical, but is it possible that the A/B sections on your board are reversed?

C3 from 100n to 100u C5 from 2.2n to 22n

Thanks for the tip, I'll have to check them out. I only have versions R and Y.

The MMBF5458 is generally unavailable, but the Mouser website offers suggestions for similar transistors. For example, the 2SK932 (datasheet) or MMBF4117 (datasheet) Any experience with them? There is also TF412S but the SOT-833 package rather discourages its use.