Elektor_Mag_-_January-February_2021
76 January & February 2021 http://www.elektormagazine.com Now that we are on the subject of impedances we can also take a lo ...
66 January & February 2021 http://www.elektormagazine.com This project was inspired by the AC/DC Power Meter published in El ...
lektor January & February 2021 77 other filters, but the point where the curve drops below the defined amount of ripple. If ...
lektor January & February 2021 67 Galvanic isolation The square wave coming from the main board is fed to the trans- former ...
78 January & February 2021 http://www.elektormagazine.com With the Cauer filter the minimum attenuation in the stop band is ...
68 January & February 2021 http://www.elektormagazine.com IC2 4 3 OPA170^1 4 IC6 3 OPA170^1 4 IC5 3 OPA170^1 IC4 4 3 OPA170^ ...
lektor January & February 2021 79 the filters had to be tuned by hand using a network analyser. There aren’t many filter pro ...
lektor January & February 2021 69 IC2 4 3 OPA170^1 4 IC6 3 OPA170^1 4 IC5 3 OPA170^1 IC4 4 3 OPA170^1 R14 12k 0.1% R131k 0.1 ...
80 January & February 2021 http://www.elektormagazine.com low-pass filter that is connected directly to the DAC output and e ...
70 January & February 2021 http://www.elektormagazine.com cies there is no problem. Signals with less than three zero-crossi ...
lektor January & February 2021 81 Choice of components As we already noted at the beginning, there are no degrees of freedom ...
lektor January & February 2021 71 how the units are fixed in the case. Note the ready-made, standard power supply that is us ...
82 January & February 2021 http://www.elektormagazine.com Layout In addition to the already mentioned zigzag pattern for the ...
72 January & February 2021 http://www.elektormagazine.com you go back to the Measurement Screen, the chosen formula with the ...
lektor January & February 2021 83 What can you expect at such a low price? I honestly didn’t imagine very much when I saw th ...
lektor January & February 2021 73 When done calibrating a channel, press ->OK. Then the calibration data are stored on th ...
84 January & February 2021 http://www.elektormagazine.com The intent is that the module is fitted into a circuit or device w ...
74 January & February 2021 http://www.elektormagazine.com The input impedance of active filters can be made very high by add ...
lektor January & February 2021 85 user guide instructions for this module. A little bit of searching revealed that it is use ...
lektor January & February 2021 75 Figure 2 shows the basic structure of Cauer (elliptical) and inverse Chebyshev filters (al ...
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