Posts by wakibaki

Intended for audio, sorted. That's the same one I picked from the list.   It says low distortion. Ask them how much. Probably hard to quantify, application dependent.   2 per channel, I guess.    Have...

You want, say 2-20mA.   Say your supply is 12V.   A LED will drop 1.8 (red) to 3.6 volts (blue).   If you use a blue one, you have  12-3.6 = 8.4V left. (If you have 2 LEDs, you put them in series, 12-7.2...

I seem to recall that LDR attenuators have quite high distortion and are problematic to calibrate in terms of gain step and channel-channel matching.   I thought about building a self-calibrating one with a PIC controller with...

I first noticed the problem with the Metcal irons at Racal, when they gave us them for compliance. They were fine in the lab prototyping new equipment or for new build on the shop floor, but when you got an old military radio in for...

I never use a chisel tip. I do a lot of SMT, I like a slow taper and a fine point. I work in a warm environment. I use a cheap Maplin iron with adjustable power. I rarely adjust the setting. I've used all kinds at work, Metcal, Hakko,...

Quote: Originally Posted by kriskalish  Is there really any reason I shouldn't just make traces as thick as I possibly can while maintaining decent clearance (such as the clearance recommended by these...

Buffers arrived today, the footprints fit fine. I'm expecting to get some 4-pole slide switches tomorrow which will simplify the fast switch-off of the relay.   w

I made up a black faceplate for the amp...     ...you can see why I'm pleased with this build.   w

You guys are in North America, I'm in the UK, so I think that with the postage complications it's probably impractical for me. Pity.   w

This only really becomes an issue where currents are high.   Google 'pcb trace width calculator', enter the anticipated current and permissible temperature rise and see what you get for 1 oz (35 microns). Retailers are...