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Power report from DC should have Total dynamic Power ( switching power ) and Cell Leakage Power ( Static ) separately.
You have to bear in mind two factors: 1. headphones (at least normal dynamic ones) need only a small voltage to drive them compared to loudspeakers. 2. many amplifiers get unhappy if you run them without any load (no loudspeakers). So some designs use headphone sockets that carry the signal to the loudspeaker through them and a mechanical contact
I will use the SCR like a diode between the capacitors and the load. Sounds erroneous. A SCR can't switch-off DC current, at least not without a second commutating switch. The problem of instantaneous current limiting refers to inherent limitations of a switched mode power supply in achieving current and voltage dynamic. Most mo
Each component has its own internal (core) current draw, and also each of its outputs has some load on it. Both vary with frequency of operation (you may see a dynamic IDD spec, or you may not, depending on the part and its manufacturer). In modern Big Digital parts like FPGAs and microprocessors it is now common to see (say) 10A of current on
I was common for old SMPS designs to require 5% minimum preload to get 0.1% load regulation error. your design seems to be lacking the dynamic range on current & voltage error sense to maintain low errorwith no load.
So I have an analog path of a few stages of op amps. I tested it over a wide range of frequencies (100kHz-20MHz) and got more or less the results I expected in terms of gain, bandwidth, noise, and quiescent current. However I noticed that once I reach 5MHz or so the current from my supplies is suddenly jumping by a factor of two or so. The outpu
..Electronic loads cannot be used for much power supply testing because of the very significant capacitance they present. Depends on the application requirements. If you are on the way with multi 100 kW power supply and energy storage systems, energy recuperation is a must. Some compromises regarding dynamic tester behavior may be
I trust you understand the dynamic load impedance on startup and the effect of any Remanence from abrupt shutdown can have on saturation. The load impedance = {ESR + j X(f)} / N? is a simplification for low reactance of L and Caps will be essential low Z with ESR only as the pulse current is rich in harmonics) Determine it Remanence (...)
The stability of any feedback system for voltage and current is challenging from no load to full load or dynamic non-linear loads, lab supplies with these features tend to be more complex. This is similar to the feedback gain going from 0 to
So I have this 9V 2.5A power supply and a flash unit which needs 6V. I use LM7806 to drop voltage, but when the flash is charging up it overload regulator, thus further dropping voltage to megger 2.5V. I think I need to somehow limit max current draw to 1.5A. Surprisingly I couldn't find a solution in google, so maybe you guys can help me out?
It depends on your load regulation spec. If you need dynamic load regulation noise to be < 1% then the series R must be <1% of the change in load R. For effective filtering the ripple is the Step current * Source ESR including cap parallel. Ultra low ESR Caps can be expensive depending on ripple current and voltage. (...)
There are a couple of different ways to express Line and load regulation with units. I thought line and load regulation was exactly what I put above. The delta's in your above refer to something else, I don't think that is "line and load regulation". If their is a delta in it then that is something to do with dynamic (...)
I want to plot DC load line and dynamic resistance of Schottky diode.What is the equation for DC load-line and dynamic resistance for diode in ADS? How can we plot them? Please help me.
Hi everyone, I would like to know how a dynamic power depends upon the load capacitance? If this is so then Please let me know how the dynamic power is reduced due to less loading effect in Pseudo NMOS logic. Does load capacitance depends upon the NMOS transistors? If this is so then it would be (...)
It appears that you aimed at a 3.3V DC output according to the feedback values. The inductor seems way to big and the capacitor too small to get a well behaved output. The feedback and compensation values you show will make the control slow with lots of overshoot on dynamic load changes. Attachment FB_1 shows this response. (the square wave shows
- hearing aids require companding with low Iq current. one is lower than the other and both can drive 50-60 mW into a 16 Ohm load @3.3V, but this may be pointless if you do't use this voltage or impedance earphone. Tiny batteries tend to have effective series resistance in the kiloohm range. - think about EQ requirements, dynamic compression, exp
Hello, Do you know what voltage the M98 LED load simulator goes up to? That is, can we simulate 48V, 3.5A led array loads? The page says 150V, but this seems very high for a led string, does that really mean it can simulate strings of voltage up to 150V?... M9811 M9811 manual www.
Hi All The primary simulation of Envelope Modulator (for Envelope Tracking Power Amplifier) is always done with a fixed resistor as the dynamic resistance of PA and it's normally around 5-10 Ohm. 1) How may I find that approximate resistance to be assumed as the load of the Envelope Modulator? Is there any calculation, measurement, ...? 2)
Regardless if you are using verilog or any other language, the gains are a function of your system dynamics.
Each capacitor appears Zc=1/(2pif*C) + ESR. the diodes are dynamic resistance and depend on size. You wont be able to match the impedance because the coupling current and spacing loss makes the input impedance high and the closer you get, it can drop below 50 Ohms. You are much better off using a step-down inductive coil antenna to boost the