.. simple equations (R S is the series resistance, L and C the reactive elements and F R their resonance frequency): This Q-meter is unusual on more than one count: it is capable of displaying directly the value of the series resistance, and ...
.. Design Idea presents a very accurate, yet very inexpensive, capacitance meter. It was specifically designed for measurements of low value capacitance with an accuracy of better than 1 pF ...
.. most realize. Take, for example, the smart grid with smart meters. Every day utilities are installing a shiny new smart meter on our house and encouraging us to take control of our energy future. We are to monitor and report consumption ...
.. Experiments were performed with a single solar cell of diameter D=7.5 cm positioned horizontally on a desk located 1 meter from a window. Although it was sunny outside, practically no direct sunlight passed through the window. Under ...
.. when using the SPIRIT1 with a range extender under EN 300 220-1 (v2.3.1, 2012-02) in the 169.400 - 169.475 MHz band, meter reading, tracking and tracing applications. The maximum allowed output power in this sub-band is +27 dBm (500 ...
.. will produce usable results at a low cost. Figure 1. If the simplest version is required, use an inexpensive volume-unit meter to replace the 0- to 100-uA meter. Three LEDs are used; experimentation will indicate which device has the ...
.. switch. At the start of the on time, S 2 and S 3 are closed, biasing Q 1 on from the 5.5V power rail, and the diode and meter disconnect through S 1 and S 4 . After the current in the inductor under test, L X , has exponentially reached ...
.. LEDs that automatically adjust the brightness to be in balance with the light condition in the room. So, if you put this meter in your bedroom, you won’t have to worry about turning it off during nighttime. It will automatically dim ...