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96 Threads found on Power And Plan
What power rating do you plan to make ?
Hy I am designing a power distribution board using the OR-ring topology. The board has to carry about 34A per contact ( and 140A in the common nets. In order to route the power nets I have used a copper pour area in all the 4 layers. I plan to use 70um copper for both external and internal layers. (...)
Hi, I am Trying to build a BLDC motor controller with the PIC18F4431 MCU. My plan is to use the six step sensorless trapezoidal commutation. Complementary and unipolar PWM, to be precise. The reason I chose this is to use synchronous rectification instead of simplt using the MOSFET intrinsic diodes. This means that, at any given time, both MO
Hi I have a situation of low GSM signal indoor and I need to amplify it I have seen some boosters availble but I wanted to know is it possible to amplify gsm signal using active GSM antennas ? I have some active antennas gor GPS and GSM and they have LNA inside my plan is to use these antennas and (...)
Hi, I want to test an LNA IC. I want to use supply of 0.7V and make it as low noise as possible. I plan to use a 6V lead acid battery and then use a voltage regulator as follows Can anybody suggest better ways? The lab power supplies that I have make the noise figure 1dB worse.
Different touch sensor designs are more or less sensitive to 50 Hz hum and high frequent noise. So you should describe your touch sensor setup thoroughly. I guess, grounding the power supply output would help against both possible interference sources. If you plan an isolated power supply, an Y-capacitor would at least (...)
I have taped out a chip for low power ECG acquisition. I have to plan to test the chip when it comes back. Regarding the same, I would like to have some information about the test set-up used for the testing if the chip. What are the instruments used for the testing -company and instrument number, specs Whether the input ECG (...)
Hi, i want to operate my 12V DC Motor via arduino, My motor draw 0.95A starting current. if i have an external power supply of 12V 1A should i use some buffer or should i connect it like the example below?(ignor the transistor and the resistor it just for the example) 122733
I am looking to create a bluetooth wireless variable speed motor that can be that can be controlled from a phone. The pcb needs to be about 3cm (or smaller). How would I go about doing this? I plan on using a AAA battery to power it.
Do you plan to power a turbine via fluid flowing from the tanks? The fellow in the video forces water from a hose into his homemade turbine to spin it at high speed. This is one way to do it, as long as you have tools that allow precise work. To build a spinning armature requires that you be able to balance it, center the axis, etc. His gadget lo
You will want to specify the Voltage and current of the LEDs and power source available to amplify the signal. and drive the LED current to control brightness. 12-24V is a wide range. Do you mean 12~14V? Do they have electronics included for fixed power?
How do you plan to convert the 3V to 9V efficiently? Is 3V the MPT operating voltage (max power transfer) or the open circuit voltage and short circuit current at max solar input power? I assume you phone uses 9V input down to 6V? Is that a Lithium rechargeable 9V cell? I think a 1N4100 (not IN4100) is a 7.5V zener (...)
I plan on using the qflowl for design exploration, but I need power and/or energy numbers for this task. Does anyone know of a FOSS tool for power analysis?
I would like to replace a USB 3.0 connector with a circular connector and I am not sure how I should go about actually verifying that the new connector has sufficient signal integrity. I want to do this because I need to add more power to a device and only want to use a single removable cable. My plan is to get a custom USB (...)
If you aren't going to add internal power plane layers and assign one of them to the GND net, then you'll have to add a plan or poured region or set of traces on the bottom layer and define them as connected to GND. Do you have an account on the Altium forum? In the PCB layout, since you don't have an (...)
I have been working a little bit on a hobby project of mine involving inductive power distribution. I have never done anything like this before and before I hook things together I would like to avoid blowing stuff up. I plan on powering between 1 and 3 inductive loads (i.e. hand-wound (...)
Hi every one .. I plan to design small GPS trucker using GPS reciver and gsm modem (sim900) with pic18f microcontoller , in my prototype board , every thing work fine but my question: what is best alternative way for removing 1000uf in power supply section for the modem ? it so big , almost all parts in the pcb is small expect the (...)
hey everyone, i am working with an LTE network deployment so i have to plan in terms of different propagation losses. the chosen propagation model is COST-231 model however, i have no idea how to derive the data rate, antenna gain, path loss, noise power. all these things have values and i do not know how to work with them. any help (...)
Please, I have a transformer with a 10V x 100mA secondary. I plan to power an MCU based project with it, but my problem is: 10V is much more volts than I need, I plan to power my circuit with 3.3V at most. and 100mA of current is too low, I need more. So I'm wondering: is there a way to reduce the volts (...)
Due to limited selectivity of the RF filters, RF gain can't be arbitrarily high, otherwise off-band components could cause amplifier and mixer overload. So if you plan higher RF gain, you have to check that the signal is keeping the linear range in every part of the receiver. When we said that the RF amp has input power (...)