FvM
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Today, 10:5430V/400A won't work differently. See post #2 about power supply options. Note that you can't have voltage and current control active at the same...5 replies | 236 view(s) -
Today, 10:47Why not review the Hochiki product manuals and installation instructions?6 replies | 207 view(s)
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Today, 09:46dpaul replied to a thread Can not run simv after compile Verilog project by VCS in ASIC Design Methodologies and Tools (Digital)I don't use VCS now a days... But was your compilation vcs -R -debug_all mndf.v +v2k -full64 successfully completed? Did it produce a correct simv...1 replies | 241 view(s) -
Today, 09:39Sorry for jumping in to this discussion. If you want to save some time and just want to verify your AXI4-Lite, I can recommend this SV IP -...15 replies | 1158 view(s)
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Today, 09:24Yes. I'm not even aware of off-the-shelf common mode differential chokes. - - - Updated - - - By the way. I think, the most interesting point...5 replies | 185 view(s)
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Today, 09:04Not at all, I fear.9 replies | 261 view(s)
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Today, 09:01Normally yes. treez is however designing logic gate delay. It should start with typical values, considering the full min to max range.3 replies | 192 view(s)
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Today, 08:55It's a regular full bridge, sketched in a rather nondescriptive way. 2uF are DC bus bypass capacitors, strongly suggested to avoid IGBT overvoltage...1 replies | 116 view(s)
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Yesterday, 23:16FvM replied to a thread Pulse transformer gate drive for offline half bridge SMPS in Power ElectronicsThe drive transformer windings must be isolated for the full converter operation voltage, same as the output transformer. Nevertheless the drive...2 replies | 131 view(s)
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Yesterday, 22:51Not sure what you consider as shunt resistor? The detector is a two terminal device, it has no separate output terminals.6 replies | 207 view(s)
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Yesterday, 22:31Is this also the case when you consider load current and inductor saturation limit? A typical common mode choke rated for e.g. 6 A with mH inductance...5 replies | 185 view(s)
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Yesterday, 22:19You can refer to the typical propagation delay (6 ns) for a rough estimation. Adding transition and propagation or looking at maximum values doesn't...3 replies | 192 view(s)
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Yesterday, 19:26Max. Vgs,th of 4.5V of VP0808 is relative high, you probably won't find any devices with Vgs,th,min > 3.3V.6 replies | 366 view(s)
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Yesterday, 11:41Old MPLAB versions like 5.4 and 5.7 can be downloaded from Microchip https://www.microchip.com/development-tools/pic-and-dspic-downloads-archive -...4 replies | 231 view(s)
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Yesterday, 11:35You want to study the operation principle of Hochiki and similar smoke and fire detection systems. Essentially you have a bus line powered with...6 replies | 207 view(s)
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Yesterday, 11:26FvM replied to a thread Synchronous Two trasnsistor forward goes wrong....too high reverse inductor current in Power ElectronicsLarge value of C19 produces inappropriate sync waveform and prevents the time-out circuit from turning off the rectifier MOSFETs. Try with 100 pF or...2 replies | 181 view(s)
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Yesterday, 10:58C30 is Microchips previous compiler for PIC24 and dsPIC families and has been replaced by MPLAB XC16. Both are based on GNU C and thus mostly...1 replies | 82 view(s)
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Yesterday, 10:53A high speed CMOS buffer, e.g. 74AHC series works perfectly. The series resistance should be adjusted for the buffer output resistance.8 replies | 356 view(s)
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14th December 2019, 13:41The input impedance of an ideal transmission line terminated with its characteristic impedance is just this impedance, in your example equivalent to...8 replies | 356 view(s)
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14th December 2019, 12:45FvM replied to a thread Half Bridge SMPS in Current Mode but with slope compensation is OK? in Power ElectronicsYes, you are right. Current mode is established by also connecting pin 7 to the current sense signal. The reservations about usefulness of this...4 replies | 199 view(s)
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14th December 2019, 12:35FvM replied to a thread How to do power measurement in LT SpiceXVII in Software Problems, Hints and ReviewsReview the waveform arithmetic chapter in the Ltspice online help. Voltage, current and power quantities of switched mode circuits are mostly...2 replies | 197 view(s)
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14th December 2019, 12:03FvM replied to a thread [SOLVED] Transformers on a PCB in Hobby Circuits and Small Projects ProblemsThe magnetic stray field of audio transformers isn't expected to cause problems in your circuit, unless it involves very high gain (e.g. G>100). If...10 replies | 465 view(s)
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14th December 2019, 11:57FvM replied to a thread Convert real to 2's complement & vice versa in Verilog in PLD, SPLD, GAL, CPLD, FPGA DesignYou should read the description of conversion functions in clause 20.5 of the Verilog LRM. $realtobits() is generating 64 bit IEEE float value. ...1 replies | 208 view(s)
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14th December 2019, 11:46FvM replied to a thread Half Bridge SMPS in Current Mode but with slope compensation is OK? in Power ElectronicsI see a misunderstanding involved with the 280W Half Bridge Converter design example. MC34025 is no current mode controller. It's a voltage mode...4 replies | 199 view(s)
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14th December 2019, 11:29Photo resolution is too low to see details. Would prefer a microscope photo with diffuse lighting. To me, the pad surface looks partly like silver...9 replies | 261 view(s)
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13th December 2019, 14:11If the duty cycle respectively average power is low, I would suggest an analog output stage, powered by a capacitor bank. Take care that the output...5 replies | 236 view(s)
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13th December 2019, 13:56BPSK doesn't involve quadrature modulation, see https://en.wikipedia.org/wiki/Phase-shift_keying3 replies | 239 view(s)
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13th December 2019, 11:48Already heard about ohms law? Use a series resistor. 10V/100µA = 100 kOhm.6 replies | 188 view(s)
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