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115 Threads found on edaboard.com: Cut Current
What you call "shielding" may in fact be unacceptable clock branch loading. cut radiated emissions but push more current spikes into the power/gnd planes (or more likely, the spindly little busses you see in Big Digital cell libraries). Maybe you'd be better off routing complementary clock pair and criss-cross it every so often so that "far" fiel
1. how various slot position are determined based on the current density. 2. what is the relation between the two. the higher the current density near the radiator the better antenna it is.?? so what steps are generally followed when slots are to be cut in antenna, and also 3. what is the relation between the (...)
I am working on a project where I need to measure the current drawn by multiple loads from a single power supply using a 8-bit PIC micro-controller. Also, when an overload condition is detected in any of the loads, I need to cut it off using a MOSFET. Here, each port is limited to a specific current and the sum of all the port (...)
Perhaps you want an instantaneous cut-off when the set current limit is exceeded; it is not meaningful to involve the power or wattage at this point. A conventional triac cannot be turned-off for the remaining half-cycle. We obviously need another fast switch. Mechanical switches (like relays) are too slow to act in quarter cycle; 5 ms is too fa
To read battery draw, I cut a square of circuit board which had metal on both sides, about 3/8 inch square. I soldered a wire to each side. I insert the square at one end of the battery, so it intercepts current. I connect my meter to the wires.
Is this an error, there is "red" wire appearing at the ground connection of current source I14. Also is M12's gate connected to ground? Are you trying to operate it in cut-off? Why so?
I want to get an EMI filter for my half bridge converter.The input voltage of my circuit(AC line supply voltage) is 220V 50HZ and the frequency of current coming from AC supply(load current) is 500KHZ,the cut-off frequencies(common mode and diffrential mode) calculation of an EMI filter is explained in the attached document.I want to know (...)
Hi all, I need to design an circuit which regulates output from Alternator whose output ranges from 60 Vac to 330 Vac. During low voltage, circuit should be in cut off state & supply no power to load. During high voltage, the circuit has to maintain voltage range from 220V to 240V. Pls guide me. Thanks, Revathy.
Make a drawing,schematic of what do you want ... Wich power to put ON / OFF maxi current on 30V output ? so you will not cut 230V AC .. because of using 30V -> regulator -> PIC power supply nota : How do you control 5V PIC from 30V DC ? IOverheating or desctruction risk if using glassic linerar regulator as 7805.. simplest is use of a Relay .
Hello everyone. I am simulating a very easy circuit with CMOS. It has two pMOS power switches. Each connected to two inverters in series. The circuit looks like below: 121569 So, when the Enable is low, the output should follow input and when enable is high, we are cutting off the power so the output should be low (I
plz some one explain me that why we see 0.7 volt fixed across diode even if we increase the voltage across it . i mean , 0.7 volt is the barrier it should decrease with increase in forward voltage , but we see 0.7 volt fixed no matter how much we increase the forward voltage . why ?
Hi, here I have a battery pack composed by 16 batteries (Sanyo Eneloop, Ni-Mh, 1.2 volt - 2000mAh). Since the nominal voltage of each battery is 1.2 volt, from the output of the pack (these batteries are connected in series) there are 19.2 volt. Well, I need this battery pack to feed a pair of portable loudspeakers: the specs of these loudspeake
I have had a problem for some time. my board got short-circuited for my welder. the welding company doesnīt exist anymore. Now i want to repair my welder, since it isnīt cheap to replace it. I have a bipolar transistor called ST-4 wich i canīt find anywhere. the middle leg is not connected to the circuit, and have been cut. then i have
Hello. I am new to forum and hoping to get lots of help. My question is that in many papers I have seen that by cutting slots in the patch you can enhance the gain but what is the mechanism behind that.? What happens to the antenna that it gives you enhance gain after cutting the slot.? My same is for Bandwidth. In many paper the most common tec
It's possible that there is some rules logic that looks for pad-cut (silox, whatever) and then enables I/O and antenna rules for chip level signoff completeness. You could read the rules deck and dope that out. The rule looks like an antenna rule, which I am seeing a distinct rules-set for in my current foundry. Maybe yours has an all-in-one, but
I saw notions that: ft : transition frequency,cut-off frequency,unity gain frequency. Are they the same frequency? In my understanding, cut-off frequency should be 0.707 of maximum and UGF is when current gain=1. And how are the considerations of this frequency(if they are the same) in linear or nonlinear circuits for designing? (...)
Hi, The attached image shows a pulsed transformer secondary. The transformer can output both positive and negative pulses. I have used a silicon diode to cut off the negative pulses. What I need is to cut off the negative pulses, but also regulate the positive pulses using a zenner. Can both jobs be done using a single zener and how should t
If the drive circuit operates well, there is no concern of "spurious" relay operation. Relay coils are best driven by MOSFETs, and across the coil, connect a reverse diode so "swallow" overvoltage pulse when he current is cut.
hello everyone, please ,I need your help how I can make a cut for the patch antenna in CST to see the movement of field lines in the substrate
Can you give the circuit that you are using for your experiment? At what voltage is the Gate and the Drain set at? It seems that when you enter the cut-Off region, the Drain to Body diode turns On and you see a current gain. I'm just guessing.