Easy peasy
Advanced Member level 5
Find latest posts
View Articles
View Blog EntriesMini Statistics
- Join Date
- 15th August 2015
- Last Activity
- Today 09:08
- Blog Entries
- 0
1 Groups
Join Groups 0 Permission Groups
Easy peasy is not a member of any public groups
Awards
No Awards.
Achievements
No achievements.
Recent Visitors
This page has had 10,424 visits
- Tab Content
- Easy peasy's Activity
- About Me
- Friends
- Experience
- Tab Content
-
Older Activity
-
Today, 09:08Easy peasy replied to a thread [SOLVED] Calculate Capacitance Value from Smith Chart in RF, Microwave, Antennas and Opticsat the 3dB freq the volts reduce to 0.707 across the C only ....22 replies | 895 view(s) -
Yesterday, 09:05Easy peasy replied to a thread Passing both DC and pulses through a toroid? in Analog Circuit Designfor a very large toroid; the first single turn with 5V applied will have its current ramping up at 5/Lpr amps per sec, the flux in the core...12 replies | 429 view(s)
-
17th October 2019, 22:21you are referring to a cascaded buck + boost, 2 converters in one ...21 replies | 697 view(s)
-
17th October 2019, 20:15it is part of the overall losses and does not lend itself to exact calculation - frequency makes a difference as does the shape of the currents...7 replies | 347 view(s)
-
17th October 2019, 20:12LT8705 is a lot of bits if you just want a low power converter @ asdf44; I think the point is made - with good layout capA is not required...21 replies | 697 view(s)
-
17th October 2019, 15:18cap A is there by virtue of B & C, i.e. cap A can be deleted if B & C are there ...21 replies | 697 view(s)
-
17th October 2019, 09:20try searching: ...21 replies | 697 view(s)
-
17th October 2019, 09:12Easy peasy replied to a thread [SOLVED] HEI primary current duration in Elementary Electronic Questionsinterestingly that IGBT has 120 ohm internal gate resistor to guarantee a slower turn on / off - it also has 1.25V Von drop at 6A ... which...14 replies | 1183 view(s)
-
17th October 2019, 03:49CD4015B should do it (?) 4 stage shift register - dual - - - - Updated - - - sorry - I missed post #7 - at 2.5MHz it is futile...11 replies | 506 view(s)
-
17th October 2019, 03:45Easy peasy replied to a thread [SOLVED] Calculate Capacitance Value from Smith Chart in RF, Microwave, Antennas and Opticsrespectfully - even if there is loads of resistance as there is here - 50 ohm in fact - the Smith chart tells you the reactive impedance AND...22 replies | 895 view(s)
-
16th October 2019, 22:40respectfully - you not bucking or boosting from input to output... a common ground is also often assumed which this ckt cannot supply21 replies | 697 view(s)
-
16th October 2019, 20:37Easy peasy replied to a thread [SOLVED] Wiring of DC fans in Series in Elementary Electronic Questionsa cheap buck converter to give to 12V for the fans is looking better and better ...20 replies | 768 view(s)
-
16th October 2019, 20:34you may get the same total losses as only one fet to control and one o/p diode - plus far easier control - less time to build and get going...21 replies | 697 view(s)
-
16th October 2019, 09:55Easy peasy replied to a thread [SOLVED] Wiring of DC fans in Series in Elementary Electronic QuestionsQ4 is not needed - Q3 will dissipate, Ifan * 15V so be careful there ...20 replies | 768 view(s)
-
16th October 2019, 08:36Easy peasy replied to a thread Mains leaking currents causing problems in my house in Elementary Electronic QuestionsA PC psu should be designed to at least 2.5kV ac phase to o/p's if not it is a very bad PC to own a dish washer could be run thru an...46 replies | 2395 view(s)
-
16th October 2019, 08:31Easy peasy replied to a thread [SOLVED] Calculate Capacitance Value from Smith Chart in RF, Microwave, Antennas and Opticshe reactive part is 77.16 ohms, this is the sum of the Xc & XL, at 205MHz it is basically all capacitive so yes = Xc22 replies | 895 view(s)
-
16th October 2019, 06:55A flyback is also a buck-boost ( the original in fact ) - - - Updated - - - as is a Sepic21 replies | 697 view(s)
-
16th October 2019, 06:51Easy peasy replied to a thread [SOLVED] Wiring of DC fans in Series in Elementary Electronic QuestionsR's are fine - but extra power draw / loss and no guarantee of sharing at power up where fans can and do draw more than 5x the run current - ...20 replies | 768 view(s)
-
16th October 2019, 06:49Easy peasy replied to a thread [SOLVED] Calculate Capacitance Value from Smith Chart in RF, Microwave, Antennas and Opticsthe Smith chart is for a specific 10pF cap, that is clue #1, it is not explicitly shown on the Smith chart, but the 77 ohm at 205MHz gives you...22 replies | 895 view(s)
-
16th October 2019, 04:09Easy peasy replied to a thread Mains leaking currents causing problems in my house in Elementary Electronic QuestionsYou could go around cutting out all the Y caps ( RFI caps that go from phase & neutral to "earth" ) inside the appliances that have them - ...46 replies | 2395 view(s)
-
16th October 2019, 04:00Easy peasy replied to a thread [SOLVED] Wiring of DC fans in Series in Elementary Electronic Questionsa 5W 16V zener across each fan will be the way to go, else a buck converter to 15V to run both of them in //.20 replies | 768 view(s)
-
16th October 2019, 03:57CMOS gate parts can do this easily @ 2.5MHZ look up the CD4000 series - there should be a shift register type part that will do it in 16...11 replies | 506 view(s)
-
16th October 2019, 03:55boost converter usually has low side drive to the fet which is easier, buck converter needs a level shift driver or a P channel fet - more...21 replies | 697 view(s)
-
16th October 2019, 03:52Easy peasy replied to a thread [SOLVED] Calculate Capacitance Value from Smith Chart in RF, Microwave, Antennas and OpticsThe smith chart for that cap shows you that at 205MHz it is 10pF ( 77 ohm ) and 50 ohm resistive ...22 replies | 895 view(s)
-
15th October 2019, 10:00the noise flows from right to left - ideally the CM caps need to be on the LHS ( left had side ) in order to get a CM LC filter - this can...4 replies | 299 view(s)
-
15th October 2019, 08:34bigger caps = shorter current pulse = higher rms current draw = more heating in diodes and wires ... 45V, 10A schottky a good idea if pk...10 replies | 664 view(s)
-
15th October 2019, 00:13Is a round-a-bout way of saying there are proximity losses in the copper wdgs associated with the windings - these losses are lower for higher...7 replies | 347 view(s)
-
15th October 2019, 00:08better to have a pwm buck converter drive the heater from the batteries such that there are no sudden changes in the battery voltage OR: drive...3 replies | 200 view(s)
-
11th October 2019, 01:34Easy peasy replied to a thread Closed-loop Stable for Negative Phase Margin? in Analog Circuit DesignThe bode blot requires that you consider the 1st crossing of the gain plot, not any later ones, if there is phase margin at the 1st crossing, it...8 replies | 679 view(s)
-
11th October 2019, 01:29there is a fair chance your led will eventually die if subjected to unlimited current flow pulses ... opto's turn off slowly due to carriers stuck...11 replies | 588 view(s)
About Easy peasy
Basic Information
Areas of Interest
- Area of specialization:
- Power Electronics
Optional Info
- Biography:
- founder MagnetPowerNZ Ltd
- Occupation:
- engineer
Statistics
Total Posts
- Total Posts
- 1,816
- Posts Per Day
- 1.19
General Information
- Last Activity
- Today 09:08
- Join Date
- 15th August 2015
Helpful Postings
- Has Rated
- 144
- Post Rated
- Rated helpful 674 out of 674 times
4 Friends
Showing Friends 1 to 4 of 4
Experience
Points
- Points
- 11,189
- Level
- 25
Level up completed
- Level up completed
- 38%
- Points required
- 561
Activity
- Activity
- 98.0%
- Activity last 30 days
- 85.0%
- Activity last 7 days
- 99.4%
Points
All Points for user
- Points for User
- 2,133
- Points for Reputation
- 1,358
- Points for every day since registration
- 763
- Points for Friends
- 12
All Points for threads
- Points for threads
- 345
- Points for Threads
- 3
- Points for tagging threads
- 339
- Points for replies
- 3
All Points for posts
- Points for Posts
- 8,710
- Points for Posts
- 5,337
- Average Posts per Day
- 1.00
- Helpful Answers
- 3,370
- Solved Threads
- 3
All Points for miscellaneous
- Points for Misc
- 0
Activities
21st October 2019
- 03:06 Easy peasy has earned 8 Points for Posts points
- 03:06 Easy peasy has earned 2 Points for User points
20th October 2019
- 03:06 Easy peasy has earned 5 Points for User points
- 03:06 Easy peasy has earned 10 Points for Posts points
18th October 2019
- 03:07 Easy peasy has earned 9 Points for User points
- 03:07 Easy peasy has earned 44 Points for Posts points
- 03:07 Easy peasy has earned 1 Points for threads points
17th October 2019
- 03:07 Easy peasy has earned 47 Points for Posts points
- 03:07 Easy peasy has earned 2 Points for User points
- 03:07 Easy peasy has earned 1 Points for threads points
16th October 2019
- 03:07 Easy peasy has earned 6 Points for Posts points
- 03:07 Easy peasy has earned 1 Points for User points
15th October 2019
- 03:07 Easy peasy has earned 6 Points for Posts points
- 03:07 Easy peasy has earned 1 Points for threads points
14th October 2019
- 03:06 Easy peasy has earned 1 Points for User points
12th October 2019
- 03:07 Easy peasy has earned 5 Points for Posts points
- 03:07 Easy peasy has earned 3 Points for User points
11th October 2019
- 03:07 Easy peasy has earned 3 Points for User points
- 03:07 Easy peasy has earned 17 Points for Posts points
8th October 2019
- 03:07 Easy peasy has earned 1 Points for User points
Show Activities from all Users