FvM
Super Moderator
Find latest posts
View Articles
View Blog EntriesMini Statistics
- Join Date
- 22nd January 2008
- Last Activity
- Today 21:56
- Blog Entries
- 0
More 128 Friends
1 Groups
Join Groups 0 Permission Groups
FvM is not a member of any public groups
Awards
1st Helpful MemberAchievements
7 years registeredRecent Visitors
This page has had 128,447 visits
- Tab Content
- FvM's Activity
- About Me
- Friends
- Experience
-
Older Activity
-
Today, 09:44FvM replied to a thread Help with understanding wiring requirements of a transducer in Hobby Circuits and Small Projects ProblemsThat's what the quoted manual snippet says. You may ground either -Exec or -Out but not both. In other words, either the power supply must be...1 replies | 102 view(s) -
Today, 09:17FvM replied to a thread Ringing between pads and digital inputs? in ASIC Design Methodologies and Tools (Digital)Definitely yes. Ground wire inductance may be even more problematic, creating coupling between in- and output signals ("ground bounce"). Did you...4 replies | 115 view(s)
-
Today, 09:12FvM replied to a thread Very low frequency sine wave generation in Hobby Circuits and Small Projects ProblemsOTA based gm-C oscillator can be designed with voltage controlled frequency, e.g. using LM13700. But you need a magnitude control loop to achieve...8 replies | 248 view(s)
-
Yesterday, 21:47What else if not twisted wire pair? Telephone landline?9 replies | 167 view(s)
-
Yesterday, 17:52Please show oscilloscope waveforms that includes start condition, address byte, expected acknowledge. Even in the simulation waveforms there's no...37 replies | 1108 view(s)
-
Yesterday, 11:34dpaul replied to a thread Tracking 'X' in the gate lavel simulation in PLD, SPLD, GAL, CPLD, FPGA DesignThe manual way to find out why you see an X propagation is to go back in sim time and track down the FIRST source of X. Then find out the reason as...2 replies | 133 view(s) -
Yesterday, 10:31In most cases L. What Q number do you try to achieve?5 replies | 192 view(s)
-
11th November 2018, 18:04It's just right as shown in the schematic. You seem to misunderstand the principle of miller feedback compensation, injecting a current into node 1...3 replies | 170 view(s)
-
11th November 2018, 17:50I see you have quoted the thesis correctly, but unfortunately the author is mistaken in this point. Modifying the calculation by frankrose, you...3 replies | 147 view(s)
-
11th November 2018, 16:46C text book (Kernighan/Ritchie) says both are equivalent. They prefer char *, indicating the pointer nature. In the examples, array notation is used...3 replies | 306 view(s)
-
11th November 2018, 16:34FvM replied to a thread Little blue radial Y capacitors for offline power supplies in Power ElectronicsI find similar capacitors by using the search engine of my preferred catalog distributor. ...1 replies | 99 view(s)
-
11th November 2018, 15:40Surely not 99.9 % settling. The expression is usually applied as an estimation of 10% to 90% rise time.3 replies | 147 view(s)
-
11th November 2018, 12:48FvM replied to a thread What connects to the termianls of this Philips LED driver in Miscellaneous EngineeringSR Design-In Guide safety precautions advises you to turn the power supply off when SR device is used as a standard DALI driver, achieved by a...4 replies | 280 view(s)
-
11th November 2018, 12:09It's not clear at all what's the intended purpose of torque control in your application. Please clarify.10 replies | 349 view(s)
-
10th November 2018, 15:41As far as I understand, timer 4 and 6 can be chosen alternatively for each PWM unit. But as mentioned before, you face the problem of maximal PWM...9 replies | 273 view(s)
-
10th November 2018, 13:432x 5.5k series resistor seems to keep the maximum input current ratings, but due to wide PC814 CTR range of 20 to 300%, there's no way to get a...11 replies | 502 view(s)
-
10th November 2018, 13:24Single process isn't the problem here, it's not using registered (edge sensitive) logic. In my view, two process state machine design is mainly a...37 replies | 1108 view(s)
-
10th November 2018, 13:12FvM replied to a thread What connects to the termianls of this Philips LED driver in Miscellaneous EngineeringAre we in the LED driver business or is it you? The question is clearly answered in Philips product literature and application notes, e.g. the...4 replies | 280 view(s)
-
10th November 2018, 12:58FvM replied to a thread Tracking 'X' in the gate lavel simulation in PLD, SPLD, GAL, CPLD, FPGA DesignDid you try Modelsim TraceX function?2 replies | 133 view(s)
-
10th November 2018, 11:38FvM replied to a thread CD4051 control voltage levels @ VDD - VSS(=VEE) = 15V in Elementary Electronic QuestionsWrongly quoted. For Vdd=15 and Vee=Vss, Vih,min is 11V rather than 7V. But do you actually operate the device with single supply? Requirements...2 replies | 95 view(s)
-
9th November 2018, 12:55That's wrong code for SM. There isn't any clock there. You need to brush up your RTL coding fundamentals. - - - Updated - - - Ok, then you...37 replies | 1108 view(s)
-
9th November 2018, 10:26dpaul replied to a thread what is the usage of the port in the fpga? in ASIC Design Methodologies and Tools (Digital)Where? Please give some good quality reference to support your claim! I would say that a port in FPGA in general has no meaning. Pins have...4 replies | 316 view(s)
-
9th November 2018, 10:16Yes because they are not being driven within a clocked process. A clock is missing from the sensitivity list (not sure if it must be there as per...37 replies | 1108 view(s)
-
9th November 2018, 09:29Depending on the processor clock, it may be not possible to generate the intended low PWM frequencies directly with 8-bit PIC. It should be always...9 replies | 273 view(s)
-
9th November 2018, 08:57External hardware reset is the preferred method and should be always provided in a good design. Problems arise particularly, if the input clock is...10 replies | 331 view(s)
-
9th November 2018, 08:32I hope not. A register hat to be described by if rising_edge(clk) then reg <= val; end if;37 replies | 1108 view(s)
-
8th November 2018, 18:54It isn't, therefore a fuse isn't allowed to blow at its rated current. In case of the automotive blade fuse, it's guaranteed that it won't blow at...11 replies | 306 view(s)
-
8th November 2018, 18:46Basically something like below. A reset synchronizer may be required to assure consistent action of the first clock edge. process (reset, clk)...10 replies | 331 view(s)
-
8th November 2018, 17:37The comparator is powered by +5V node, derived from Vin and Vusb. In so far I don't understand the question. You should pay attention to the...5 replies | 177 view(s)
-
8th November 2018, 17:24Yes, a sufficient explanation why the code doesn't work in hardware. Unfortunately it fakes a register in simulation due to the sensitivity list...37 replies | 1108 view(s)
About FvM
Basic Information
Optional Info
- Location:
- Bochum, Germany
- Interests:
- Analog, DSP, Power electronics and more
Statistics
Total Posts
- Total Posts
- 43,328
- Posts Per Day
- 10.97
General Information
- Last Activity
- Today 21:56
- Join Date
- 22nd January 2008
Helpful Postings
- Has Rated
- 2040
- Post Rated
- Rated helpful 12820 out of 12820 times
128 Friends
Showing Friends 1 to 10 of 128
Experience
Points
- Points
- 248,964
- Level
- 100
Level up completed
- Level up completed
- 0%
- Points required
- 0
Activity
- Activity
- 100.0%
- Activity last 30 days
- 100.0%
- Activity last 7 days
- 100.0%
Points
All Points for user
- Points for User
- 56,850
- Points for Reputation
- 52,440
- Points for every day since registration
- 4,017
- Points for Friends
- 387
- Points for posting Visitormessages
- 2
- Points for filling profile
- 4
All Points for threads
- Points for threads
- 3,311
- Points for Threads
- 113
- Points for tagging threads
- 3,076
- Points for replies
- 122
All Points for posts
- Points for Posts
- 188,802
- Points for Posts
- 124,568
- Points for uploading Attachments
- 54
- Average Posts per Day
- 10.00
- Helpful Answers
- 64,180
All Points for miscellaneous
- Points for Misc
- 0
Activities
13th November 2018
- 03:05 FvM has earned 9 Points for Posts points
12th November 2018
- 03:05 FvM has earned 7 Points for User points
- 03:05 FvM has earned 33 Points for Posts points
- 03:05 FvM has earned 1 Points for threads points
11th November 2018
- 03:05 FvM has earned 4 Points for User points
- 03:05 FvM has earned 3 Points for threads points
- 03:05 FvM has earned 25 Points for Posts points
10th November 2018
- 03:06 FvM has earned 3 Points for User points
- 03:06 FvM has earned 14 Points for Posts points
- 03:06 FvM has earned 1 Points for threads points
9th November 2018
- 03:06 FvM has earned 71 Points for Posts points
- 03:06 FvM has earned 6 Points for threads points
- 03:06 FvM has earned 2 Points for User points
8th November 2018
- 03:06 FvM has earned 3 Points for Posts points
- 03:06 FvM has earned 1 Points for User points
7th November 2018
- 03:06 FvM has earned 4 Points for threads points
- 03:06 FvM has earned 35 Points for Posts points
- 03:06 FvM has earned 2 Points for User points
6th November 2018
- 03:06 FvM has earned 39 Points for Posts points
- 03:06 FvM has earned 1 Points for threads points
Show Activities from all Users