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  1. 455KHz bandpass filter requirement for superhet receiver

    Feb 26, 2007 · Hello I have just designed and built the following simple AM superhet receiver. and It is just to receive the station on AM 1026KHz. The Mixer is a switching mixer and literally just …

  2. Litz wire for induction heater | Eng-Tips

    Apr 4, 2011 · I need to make up flexible cable for induction heater coil and I would like to work out best configuration of Litz Wire to minimize losses. 1 kHz 100 A 1000 mm cable length. copper …

  3. carrier frequency and output frequency | Eng-Tips

    Jan 26, 2006 · 1000 Hz motor frequency at 7 kHz carrier is doable, but be prepared to have some interference between carrier and motor frequencies. An output filter could perhaps improve the …

  4. looking at irig b signal | Eng-Tips

    Sep 3, 2005 · I am checking an irig b signal which in this case is modulated with a 1 khz signal. Being as it is amplitude modulated I would expect a solid 1000 cycle rate to show on the …

  5. CMOS Switch Mixer too simple? | Eng-Tips

    Mar 18, 2007 · Also, your local oscillator is 216 kHz? So with a 1026 kHz RF signal your IF is either 810 or 1242 kHz, not 455 kHz. Or is that a typo? And some of the components and time …

  6. load reactor temperature | Eng-Tips

    Dec 22, 2004 · So at 4 kHz, you can calculate I*I*R. Knowing the surface temperature ( you measured it), you can calculate the amount of heat convected and radiated away ( search for …

  7. Impedance Measurement of a DC-DC power supply | Eng-Tips

    Feb 24, 2006 · A clamp-on current probe usually has a limited frequency range, but there are Fluke DC - several hundred kHz clamps. And Chauvin-Arnoux and Tektronix going well …

  8. sharing signal and power ground | Eng-Tips

    Aug 29, 2005 · 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 …

  9. Amplify small pulse signal | Eng-Tips

    Feb 2, 2004 · 1) what is an "ant wire" - antenna (?), which seems a bit unlikely as the highest frequency is only a few kHZ. 2) Is the "-800mV to -1.4V" the signal on this "ant wire", or is it at …

  10. Al2O3 laser machining on Rofin CO2 laser machine | Eng-Tips

    Oct 16, 2015 · Good day! I have an Rofin-Sinar laser CNC machine with 10.6 um wavelength (60W, 1-100 kHz) and I trying to cut the details (compensators) from 1mm thick sheet …