FvM
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Yesterday, 23:31You want to center Vcm within the common mode range, about 1.65 V. 1 V will give reduced output swing with 5V single supply, review datasheet figure...5 replies | 82 view(s) -
Yesterday, 23:10FvM replied to a thread Noise source vs tracking generator for frequency response measurement in RF, Microwave, Antennas and OpticsDynamic range respectively accuracy will be considerably lower. Can be partly compensated by extended measurement time. May be o.k. for some...1 replies | 135 view(s)
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Yesterday, 22:53Using an instrumentation amplifier circuit with bridge sensors is a matter of accuracy, not only noise suppression. Single OP differential amplifier...8 replies | 220 view(s)
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Yesterday, 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...8 replies | 220 view(s)
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Yesterday, 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 | 199 view(s)
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Yesterday, 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);...2 replies | 131 view(s)
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Yesterday, 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 | 116 view(s)
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Yesterday, 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? ...6 replies | 157 view(s)
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Yesterday, 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.16 replies | 810 view(s)
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20th May 2019, 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 | 100 view(s)
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20th May 2019, 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 | 156 view(s)
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20th May 2019, 16:27Yes. As the example shows, it can be also implemented with unity gain if the load resistance is infinite.15 replies | 1465 view(s)
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20th May 2019, 16:22Yes, that's true.10 replies | 1140 view(s)
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20th May 2019, 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 | 236 view(s)
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20th May 2019, 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...16 replies | 810 view(s)
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20th May 2019, 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 | 586 view(s)
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20th May 2019, 08:03tf(,) is a time continuous transfer function, not a time discrete IIR.4 replies | 337 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 | 345 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 | 586 view(s)
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19th May 2019, 21:481 yes 2 no. There's no way to disable FRC separately.4 replies | 156 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 | 1140 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 | 2243 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 | 418 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 | 1465 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 | 1140 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 | 418 view(s)
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18th May 2019, 17:39Near. You calculate 1 MOD -4 = (1 MOD 4) - 4 = -3.10 replies | 1140 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 | 2267 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 | 738 view(s)
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