2008年4月29日 · 102.4 kHz sampling, 130dB dynamic range . Upvote 0 Downvote. Apr 30, 2008 #5 GregLocock Automotive. Apr 10 ...

2002年5月29日 · It sounds like a core heating thing. To be able to judge if that is the case, one needs to look for capacitors (or long cables) to resonate with. Reactor/capacitor combinations often have a tendency to ring somewhere between 5 and 20 kHz and that is an extremely effective frequency when it comes to induction heating.

2005年7月18日 · I generally share the signal and power ground together for analog(and mixed circuits <1 KHz).Does this practice introduce noise in the system. The circuits many times does not work if I separate them, so I am forced to do it to make it work. Am I missing something about designing here.

2005年7月8日 · As far as Cannons' Technology, it is simply a case of their 12.5 Khz signal being shunted to ground due to the low impedance of the caps at that frequency (which is the reason for the blocking units).

2024年10月31日 · IR is in the THz range and ultrasonic is above about 20 kHz . Upvote 0 Downvote. May 8, 2008 #7 IRstuff

2009年11月10日 · I am using a quadrature sensor on a motor-driven piece of farm equipment that spins at a wide range of speeds under normal use (uses a hydraulic CVT). The quadrature signal may be in the low kHz range down to a complete stop or 0.5Hz. At present I am using two speed algorithms. One works great and the other not so much...

2018年10月18日 · It's a non-linear device. Running with a NORMAL 50% duty cycle in the kHz doesn't reduce the temperature 50% it reduces it MORE THAN 50% because running an LED at a lower temperature causes it to have less losses. If you leave it off for 5 years you simply haven't used 5 years of its lifetime. Barring environmental issues as mentioned prior.

2022年7月16日 · N.B. simulations are based on a truckload of assumptions, which, if not true, will result in radically different results. The fact that the measured resonance is close to 2 kHz would suggest that it's likely from your fixture, simulation not withstanding. TTFN (ta ta for now) I can do absolutely anything. I'm an expert!

2007年2月9日 · It turns out that PWM components from VFD is present on all phases. Nothing phase-phase but about 400 V pk-pk 2.5 kHz common mode voltage. I will start a new thread on that - it might be of some interest. Gunnar Englund

2007年5月16日 · The early electronic meters measured the peak current and scaled it to guess what the RMS may be. Now when a motor starts there is a high inrush in the first cycle or so that varies greatly depending on the point on the wave that the switch was closed.