.. thermistors to your system by adding an external resistor divider. Reference Klaper, Martin, and Heinz Mathis, 2-Pound RLC Meter impedance measurement using a sound card, Elektor, June 2008, pg 64. Downloads Source code Java executable
.. fat power traces and long, thin signal ones while probing for continuity or shorts on a PCB without needing to look at a meter. This is simpler than it initially looks, so let’s dismantle it. R1 feeds the test probes. If they are ...
.. Then put the ferrite cores in place (in the bobbin) and measure the inductance of the primary winding using an LCR meter. If you can set the measurement frequency on your LCR meter, the best frequency is 65 kHz (switching frequency ...
.. that indicate analog levels via a moving-pointer meter, a numeric display, or a column of LEDs typically occupy considerable panel area and require more than a casual ...
.. was that the output voltage range for both measurements needed to be the same: 0 5 V. This was so that a moving coil meter readout could be used with a single range. See Figure 4 for the implementation. Figure 4. A circuit with the ...
.. because they will lock with each other, thereby reducing the search oscillator’s sensitivity. You can add a meter output for visual or automatic control by adding a highpass filter to the LM389’s output. This highpass ...
.. This Design Idea applies essentially the same principle to analog meters under normal operating conditions. Connecting a meter to a voltage source with low internal resistance applies electromagnetic damping and makes the meter's ...
Let’s see how you can effectively double the output sink current of the plain old 555 timer. From the block diagram in Figure 1 taken from the datasheet of the ST’s TS555 low power single CMOS timer) we can see that the Discharge pin ...
.. a gap accurately and winding the transformer by hand and without any error is difficult. The easy solution is to use an LCR meter! first, wind the primary and assemble the transformer (without any gap). Then measure the inductance of the ...
.. the end of the DI for a Simple log-scale audio meter (Ref. 1), I promised to show how to upgrade it to work better. With these fixes, it now has near-digital ...