FvM
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Today, 16:20You can build a discrete instrumentation amplifier. 2 or 3 OP circuit to get away with affordable resistor accuracy. 3 OP circuit is sketched in the...2 replies | 54 view(s) -
Today, 16:07FvM replied to a thread Vivado Taking A Long Time To Run Synthesis & Implementation in PLD, SPLD, GAL, CPLD, FPGA DesignThe link is about pipelining with HLS compiler, not applicable to generic HDL code. As far as I understand, you are coding in generic VHDL. You...7 replies | 168 view(s)
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Today, 15:58FvM replied to a thread Output of exors are showing x in EDA playground in ASIC Design Methodologies and Tools (Digital)module my_XOR(output Out, input A, input B); wire x,y,inA,inB,not_inA,not_inB; and(x,inA,not_inB); and(y,not_inA,inB); not(not_inA,inA);...1 replies | 63 view(s)
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Today, 11:40The picture is showing composite video with sync, not composite sync. Composite sync as such is a digital signal, HSYNC xnor VSYNC.1 replies | 74 view(s)
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Today, 11:24FvM replied to a thread [moved] Calculate the Input/Output Capacitor Value on DCDC converter in Power ElectronicsThe NQ60W60QTx25 datasheet has specifications for output capacitors with expectable ripple current. Why don't you follow the datasheet? ...3 replies | 128 view(s)
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Today, 06:15FvM replied to a thread SCR speed brushed DC 180v motor control does not work in Analog Circuit DesignGood question. A possible solution is to use MOC3021 opto triacs instead of the low voltage opto couplers.15 replies | 584 view(s)
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Yesterday, 21:38FvM replied to a thread Looking for a PSPICE/orCAD model of op amp LT1970 in Software Problems, Hints and ReviewsThe previous thread doesn't talk about simulating the device, may be real hardware problem. Linear/Analog is providing binary models for LTspice,...1 replies | 86 view(s)
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Yesterday, 16:30That's a possible explanation. Or shorted FRC output. Not sure if an ENC input signal outside specified frequency and level range may cause a similar...4 replies | 152 view(s)
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Yesterday, 16:27Yes. As the example shows, it can be also implemented with unity gain if the load resistance is infinite.15 replies | 1207 view(s)
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Yesterday, 16:22Yes, that's true.10 replies | 1047 view(s)
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Yesterday, 12:23FvM replied to a thread problem with my simulation on orcad pspice vers 9 in Elementary Electronic QuestionsAs the error message clearly says, there's a net list problem. You want to review the error log.1 replies | 178 view(s)
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Yesterday, 08:26FvM replied to a thread SCR speed brushed DC 180v motor control does not work in Analog Circuit DesignMissing connection between "GND" and SCR cathodes. Please notice that the control circuit GND, Arduino etc. carries mains voltage, with or without...15 replies | 584 view(s)
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Yesterday, 08:14You need to observe the voltage difference between each cathode and both heater terminals. The heater circuit sketched in post #1 would most likely...19 replies | 571 view(s)
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Yesterday, 08:03tf(,) is a time continuous transfer function, not a time discrete IIR.4 replies | 265 view(s)
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19th May 2019, 22:02FvM replied to a thread What do you call a ceramic SMD cap in a metal frame? in Elementary Electronic QuestionsThat's the idea. Better withstanding mechanical and thermal stress.4 replies | 343 view(s)
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19th May 2019, 21:59Yes, you want to read the data sheets. They have 200 V cathode to heater voltage limit.19 replies | 571 view(s)
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19th May 2019, 21:481 yes 2 no. There's no way to disable FRC separately.4 replies | 152 view(s)
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19th May 2019, 17:17My VHDL tool says it's -3, no reason to doubt about. Please review numeric_std.vhd how it's calculated. if XL(XL'LEFT)='1' then XNUM :=...10 replies | 1047 view(s)
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19th May 2019, 08:46FvM replied to a thread Design and construction of scintillometer for evapotranspiration in MicrocontrollersNo. Water vapor NIR lines have about 10% absorption for 1 km atmospheric path according to literature. You can well detect it with a simple...20 replies | 2095 view(s)
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18th May 2019, 23:07FvM replied to a thread [moved] Convergenge issue PSpice- LM5022 in Software Problems, Hints and ReviewsIf the examples are working, it should be possible to move towards your circuit. I admit that SPICE convergence issues can be annoying and are...14 replies | 415 view(s)
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18th May 2019, 22:53Your implementation is different from links page 5 in two regards. - due to lack of a negative supply, the rectifier output for positive input isn't...15 replies | 1207 view(s)
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18th May 2019, 18:00As far as I understand, the OP wants to implement MOD operation for power of two denominator. That's of course possible without a divider.10 replies | 1047 view(s)
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18th May 2019, 17:57FvM replied to a thread [moved] Convergenge issue PSpice- LM5022 in Software Problems, Hints and ReviewsDid you try to run the PSPICE examples provided by TI along with the model?14 replies | 415 view(s)
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18th May 2019, 17:39Near. You calculate 1 MOD -4 = (1 MOD 4) - 4 = -3.10 replies | 1047 view(s)
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18th May 2019, 15:12FvM replied to a thread Parallel connection of multiple half-bridge for high current motor applications in Power ElectronicsBootstrap driver has a number of limitations, particularly not providing 100 % duty cycle and requirement of a specific startup sequence. Can't you...22 replies | 2184 view(s)
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18th May 2019, 15:02FvM replied to a thread Generate random sequence of 1's and -1's in matlab in Elementary Electronic QuestionsBy nature of random distribution, an arbitrary selected sample can't have exactly zero mean otherwise it's not random. You may want to specify...5 replies | 713 view(s)
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18th May 2019, 13:41FvM replied to a thread hfss: copper spiral antenna modeling problem in Electromagnetic Design and SimulationNot clear what you want to achieve. What's the purpose of the double layer? Ground directly below the coil will create a short.9 replies | 1325 view(s)
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18th May 2019, 10:13I presume you are asking about precision rectifier. Come back with the schematic that doesn't work for you.15 replies | 1207 view(s)
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18th May 2019, 09:52Presently, your question is missing any substantial specification (voltage, current, signal frequency, switching speed). Did you intentionally strip...4 replies | 378 view(s)
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