FvM
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Today, 12:34FvM replied to a thread priority on two asynch triggered events in ASIC Design Methodologies and Tools (Digital)I agree with std_match, there's a potential simulation mismatch with this code, as discussed in previous Edaboard threads, e.g....4 replies | 97 view(s) -
Today, 12:03Errata sheets are displayed along with the product documentation at microchip.com. Typing "dspic30f4011 errata" at Google will probably answer...1 replies | 75 view(s)
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Today, 11:30FvM replied to a thread Offline Flyback SMPS: Y2 capacitor from primary to secondary can be high value? in Power ElectronicsBasically yes, unless you have significant capacitance between switching circuit nodes and earth ground.7 replies | 170 view(s)
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Today, 11:26Just a valid external oscillator frequency up to 20 MHz. Probably not too low, there's a required relation to serial programming SCK.8 replies | 100 view(s)
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Today, 11:16Don't know what "sinking current into" means. I guess you want to estimate the additional gate driver load caused by a TVS diode. For an exact...1 replies | 131 view(s)
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Today, 10:52Reviewing the documentation, I realized that disabling serial programming (SPIEN fuse) is not possible over serial programming, only over JTAG or...8 replies | 100 view(s)
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Today, 10:11Decide about the amplifier configuration (e.g. noninverting buffer), input voltage range (e.g. 0.5..1.5V), settling performance (e.g. to 0.1 % of...19 replies | 1019 view(s)
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Today, 09:11A well known problem. Once you have disabled serial and JTAG programming, parallel programming is the only way to reset the fuses. See datasheet...8 replies | 100 view(s)
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Yesterday, 22:02FvM replied to a thread Conducted emissions: Noise current limit for house hold appliances. in Power ElectronicsI didn't look for CISPR 15, because it's not strictly applicable here, but it has the first general conducted emission limit values downto 9 kHz....7 replies | 248 view(s)
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Yesterday, 18:14Although your code is legal C, you should also try DecTemp=0.0001*AdcValue;4 replies | 187 view(s)
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Yesterday, 18:08FvM replied to a thread Conducted emissions: Noise current limit for house hold appliances. in Power ElectronicsCISPR 22 is the generally applicable standard for frequencies above 150 kHz. There are some attempts to extend the limit values down to 9 kHz with...7 replies | 248 view(s)
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Yesterday, 11:41How about using RB4 to RB7 interrupt on change function? Key detection needs only moderate scan rate, it's very unusual to use interrupt for it....7 replies | 131 view(s)
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Yesterday, 10:55dpaul replied to a thread Writing ModelSim do files in ASIC Design Methodologies and Tools (Digital)Open ModelSim, go to Help menu then open the "PDF Bookcase". That will open up a pdf, the ModelSim XY Bookcase. From there open the ModelSim XY...1 replies | 85 view(s) -
Yesterday, 09:32To fully utilize the I/Q modulator capabilities, you need a dual channel arbitrary waveform generator. Adjust the amplitudes and DC offset according...2 replies | 186 view(s)
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Yesterday, 09:17You have a serious confusion with RB1_bit and EncoderA_bit respectively RB2_bit and EncoderB_bit. Encoderxx is defined as alias of the RBx, but...7 replies | 131 view(s)
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17th April 2019, 17:03So why you are designing a 20W converter?12 replies | 448 view(s)
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17th April 2019, 17:00The reference clock connector won't output 10 MHz without appropriate PLL programming. Sure everything is setup correctly?2 replies | 125 view(s)
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16th April 2019, 14:47Designing the converter for 250V*80 mA continuous power is a bad idea, I think. For safety reasons, it shouldn't provide more than the required...12 replies | 448 view(s)
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16th April 2019, 11:34FvM replied to a thread ADA4870 as a small linear amplifier with single ended VCC? in RF, Microwave, Antennas and OpticsSimple calculation, maximum output swing for bipolar supply is +/- (Vs - 2V). Calculate undistorted Vrms, output power. Maximum output into 50 ohm is...6 replies | 241 view(s)
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16th April 2019, 08:21FvM replied to a thread Offline SMPS EMC scans: Why are "common mode only" scans so expensive? in Power ElectronicsIt's of course possible. You can use a matched resistive power divider/combiner to derive CM, and a balun or a 180°-coupler to extract DM. You...9 replies | 372 view(s)
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16th April 2019, 07:58FvM replied to a thread [Verilog] Asynchronous Reset in ASIC Design Methodologies and Tools (Digital)Yes, it's the required template for synchronous registers with asynchronous reset, understood by all synthesis tools. Interpreting the code line by...5 replies | 213 view(s)
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15th April 2019, 16:07It's C programming, you can use C compiler features. I'm using printf() with hex format in this situation.8 replies | 527 view(s)
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15th April 2019, 15:56Why not use an industry standard protocol, e.g. MODBUS RTU?6 replies | 414 view(s)
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15th April 2019, 15:38FvM replied to a thread Conversion from LTSpice to Spice Model Files for Altium Designer in PCB Routing Schematic Layout software and SimulationWhat kind of models are talking about? Ltspice models can be either generic SPICE, usable without problems. Or binary encrypted models as shipped by...2 replies | 308 view(s)
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15th April 2019, 15:35FvM replied to a thread [SOLVED] Can't find Tg parameter for Roger RT6002 and RT6035HTC in Service Manuals, Requests, Repair TipsDo they have Tg? If at all, it's probably > 300 °C.1 replies | 197 view(s)
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15th April 2019, 14:46levnu started a thread [SOLVED] Can't find Tg parameter for Roger RT6002 and RT6035HTC in Service Manuals, Requests, Repair Tipsdoes somebody knows why i can't find it in datasheet or anywhere?1 replies | 197 view(s)
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15th April 2019, 07:58FvM replied to a thread Common mode noise reduction by connecting ferrite SMPS core to ground? in Power Electronicstreez has been discussing a lot about about interwinding shields, I presume he knows the difference. The question is definitely not about...14 replies | 391 view(s)
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