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hello PIC Eeprom or external I2C eeprom ? Both can keep all datas when Power Off occurs.. even it is better to manage Brown out Reset Volatge or use a dedicated IC to survey power supply and be able to save data into eeprom,just before MCU reseting. you need to store an index , the last position (adresse) used to store data in to the eeprom, i
Makes you wonder if there are data breaches that don't make the news, doesn't it? Businesses would rather keep breaches a secret. If they do announce a breach, they don't want to give details how it was possible. Perhaps a hacker can find entry to the database, with or without a password. Or perhaps it was an inside job, and then they certainly d
A current limiting resistor or voltage clamping means will be needed to keep the STM32 maximum injected current specification for negative input voltages. Most simple clamping means would be a single supply 3.3V R2R amplifier. A RC low pass can be generally useful to filter out-off-band noise and interferences. Although source impedance up to 50
Your LT1634-5 shunt regulator is not doing anything because the 5V reference feeds the opamp without it. If the 5V reference voltage increases then the shunt regulator will keep the input voltage to the opamp at 5V. If the 5V reference voltage drops then the input voltage to the opamp will also drop.
Sorry, no photograph is visible. Please try again. (The 'Add an Image' button is a reliable and straightforward method for including an image in a post.) A burnt component might be identified by our experienced members. keep in mind that the burnt component may not be the only faulty component. The instruction manual (pdf) comes through okay. It
Bit of a generalisation, as it is not always the case, but historically for eurocard rack mounted cards it was because of the lack of number of layers, often on a 2 layer board you would have power on one layer ground on the opposite... To prevent components near card guards keep out areas are better option as the outline of a component (...)
yes just keep sensing them. When its out of range, turn off.
Many PDKs still fail to model accurately any breakdown behavior, depending on rules (ERC, or design manual) or flags (SOA, IMAX, or breakdown warnings) to keep the designer on the path. Garbage in, garbage out - as true today as when it was punchcards and fanfold paper.
why do people keep posting these horrible ideas. NOBODY uses discrete transistors anymore for amps. Go to mini circuits, pick out an amplifier integrated circuit, and use THAT instead. I mean this is not 1990
dielectric layers are handy between a microstrip line and the ground plane, as they keep the microstrip line from falling down onto the metal ground plane and shorting out. :roll:
My guess is that it might be possible to tweak the voltage up - but it might not be capable to keep the voltage under load. Also be sure that there isn't components that is rated for lower voltage than you tries to get out of the power supply. Warning: Most probably there is safety circuits - but don't trust that. It might start to smoke/burn if t
r3 is probably there to keep the rf diodes from blowing out. like maybe they are driving R3 with a digital gate, and they do not want the full 5 Volt spike to get thru the capacitor to the diodes as the gate changes output state. R2 is probably not needed, but might help discharging the capacitor in time for the next bit of data to get (...)
The problem with requesting a best book is it's so subjective. I would recommend certain practices, like ... 1. Writing out text files that keep a record of the Test Results. 2. Writing control files that direct the model to function in a certain way so you can configure testing conditions. 3. Have models that represent external IC's to the fpga/a
I hope there is no facility available in altium to mention the depth of the V-groove. Normally these things are taken care by the manucaturer & if need to specify the depth you can write a string outside the PCB design & it goes along with the gerber file. For this option you can use keep out layer. Udhay
Hi what is the difference between keep out margin and blockage in physical design?
You can not lay out any ideal sources right!!. Ideal source is ideal, not practical. Layout will have only what can be fabricated. During back annotation(post layout) sims, the block is usually considered as a black box. You will not have access to the internal nodes of the circuit, unlike in the case of schematic simulations. So, (...)
I keep getting this error in every VHDL code I make in Xilinx ISE Design Suite 14.5,even in the smallest codes which were simulating earlier but now shows error mentioned below.I have tried everything- searched through the internet and xilinx forums,re-installed xilinx a number of times(by trying different softwares) and much more but could not get
keep in mind old electrolytics can dry out and these are brute force bridge linear supplies with Class A or A-B Amps with an overall power efficiency of 2~15% or so but high linearity. If you have specs on gain, IP3 , BW , noise level, etc , that would be a good start for must haves.
You would need to check with the design rules, normally at chip corner there is a keep out area, 0.18 tsmc is 50u for example. Metals at the corner edge normally go edge to edge using a 45 degree path.
There's essentially no information in the datasheet about the implemented locking and out-of-sync detection. I don't see how you would use the device with an external power stage and still keep this feature. At worst case, the BLDC driver doesn't work at all with an external driver. You probably need to chose a more versatile BLDC driver IC.