.. of sending data over a cable with no free conductors. The data is OOK (on-off keying) modulated and superimposed on a high-frequency carrier so it can be sent over a low-voltage power supply line. Sometimes a circuit requires a data ...
21-11-2013
.. that meet the following specifications: Trapezoidal back-EMF Max operating voltage of between 10 V to 24 V dc 24 kHz PWM frequency Maximum average current of 10 A Maximum speed not exceeding 200,000 rpm for a 2-pole BLDC motor ...
19-11-2013
.. such as POSCAP, SP-CAP, or ceramic types and features fast transient response with no external compensation. The switching frequency is internally set at a nominal 700 kHz. The high-side and low-side switching MOSFETs are incorporated ...
18-11-2013
.. to produce the desired lumen output . In addition, the LED lamp exhibits over 100% ripple at 100/120 Hz. The impact of low frequency ripple on human performance is not a new concern in t he lighting world and there is work underway to ...
17-11-2013
.. Note 138 October 2013 Trevor Barcelo An inductive wireless power system consists of a transmitter that generates a high frequency alternating magnetic field and a receiver that collects power from that field. The resonant coupled ...
07-11-2013
.. The design uses S parameters from the manufacturer to analyze stability. Although the L1, R1, and C2 branch maintains low-frequency dc-to-video-frequency stability for the HJFET, the combination presents as an open circuit to S-band ...
15-10-2013
.. to adjust the duty-cycle ratio between two analog input levels, and a lowpass filter (LPF) to eliminate the PWM chopping frequency. Figure 1. The use of an analog (CMOS) SPDT switch and an op amp configured as an LPF forms a simple ...
28-08-2013
.. Power Scope is a meter intended for use on a breadboard to aid in the development of battery-operated devices. It provides dedicated ...
13-08-2013
.. is stable. The cascade of the OP1177 and the AD8476 forms a composite differential-out op amp whose open-loop gain over frequency is the product of the OP1177’s open-loop gain and the AD8476’s closed-loop gain. The ...
01-08-2013
.. (picture 4). The 'Ones' or 'Zeros' length depends on the serial transmission data rate. For example, for 125 kHz carrier frequency we don't have 125000 bits per second data transmission! The data transmission from Tag to the reader ...
31-05-2013
