I have a few capacitors marked with codes I'm not sure about: 0.1/10/250 MKT 344 HQ 0.033 K 400 MKT 1000 K 630...

I have a few capacitors marked with codes I'm not sure about: 0.1/10/250 MKT 344 HQ 0.033 K 400 MKT 1000 K 630 KT Can anyone confirm what they mean? Thanks, Adam -- I used to be better at logic problems, before I just dumped them all into TeX and let Knuth pick out the survivors. -- plorkwort

I'm a hobbyist who doesn't have an ESR meter or (usually) a choice of specific capacitor models and I'd like to have some idea of the kind of...

I'm a hobbyist who doesn't have an ESR meter or (usually) a choice of specific capacitor models and I'd like to have some idea of the kind of ESR values one would expect from capacitors that are neither particularly good nor particularly crappy in that respect. I'll really appreciate it if you could cite some ballpark figures for - 1. 1uF/50V wet Al electrolytic 2. 100uF/25V wet Al e...

I see excessive crossover distortion with this audio amp not shown with LTspice. It simulates ok, but the wired circuit produces about a 50uS...

I see excessive crossover distortion with this audio amp not shown with LTspice. It simulates ok, but the wired circuit produces about a 50uS dead time step as the signal crosses the mid point. I tried increasing the bias with no help. Both inputs to the op-amp look good with no distortion. Any idea what is going on? Version 4 SHEET 1 880 1108 WIRE -128 80 -128 48 WIRE -128 80 -352 80 W...

I have a 75332P MOSFET on a cordless drill controller heatsink. I guess it's part of a pulse width modulator. The drain (flange) connects...

I have a 75332P MOSFET on a cordless drill controller heatsink. I guess it's part of a pulse width modulator. The drain (flange) connects directly to one of the battery terminals. Does the MOSFET drain go directly to the battery minus/ground terminal? Or does it go to the battery plus terminal? Thanks. -- My application... I'm desperately trying to develop a better inline ...

Hi, does anyone know whether it is still required to register with NXP to use I2C interface? Have not been able to locate the registration...

Hi, does anyone know whether it is still required to register with NXP to use I2C interface? Have not been able to locate the registration link in NXP... thank you.

Hello All. I'm looking for any info on a Moore & Reed stepper motor 23MS112 . I've googled this one but have only come up with similar...

Hello All. I'm looking for any info on a Moore & Reed stepper motor 23MS112 . I've googled this one but have only come up with similar models. It "appears" to be a hybrid 4 phase with a 1.8 step angle. I'm specifically looking for ratings for max current / phase and the nominal voltage rating. Any info would be really appreciated. Regards, Bob Kenchi.

While searching for information on a multiplier IC, I found this useful=20 collection of circuit...

While searching for information on a multiplier IC, I found this useful=20 collection of circuit diagrams: http://www.seekic.com/circuit_diagram/ The AD534 multiplier was used in this interesting circuit which provides = 1000 volts at 300 watts. http://www.seekic.com/circuit_diagram/Power_Supply_Circuit/High_voltage_b= ooster.html I think it is used for a constant wattage output. P...

I want to hook up several cameras to a laptop. If I use USB webcams I can write code to view and do security stuff. BTW the software is already...

I want to hook up several cameras to a laptop. If I use USB webcams I can write code to view and do security stuff. BTW the software is already written and running. But the cable length is too limiting even with USB extension cables. I have access to the USB cams and the built-in laptop cam just fine. If I use video out cams CCTV what is the best way to get the video into the laptop s...

I was looking at the schematics of the first transistor radio, the Regency TR-1, and noticed that it uses a 22.5v....

I was looking at the schematics of the first transistor radio, the Regency TR-1, and noticed that it uses a 22.5v. battery. http://people.msoe.edu/~reyer/regency/schematic.jpg Later models use a more normal battery such as 9v. -Ramon

Hi I'm looking at building a linear power supply. I'm thinking of using a 12V 300VA torodial and linear regulators. I really want a power...

Hi I'm looking at building a linear power supply. I'm thinking of using a 12V 300VA torodial and linear regulators. I really want a power supply that can be used to power both AT and ATX computer motherboards, has got variable current limiting (3.3V, 5V and 12V) and displays current. I haven't seen anything in the marketplace, so I was looking at building my own. The voltage and cu...