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simplest circuit which can convert 32V to 16V yet thermally is cool too
I need the simplest circuit which can convert 32V DC to 16V DC yet thermally is cool too The current needed at out put is 100mA   I tried to use 2 resistor to divide the...
Wednesday, 8 July 2020 - 07:47
Is 200mA DC regulator ok for a board with nominal currect of 180mA?
Is 200mA DC regulator ok for a board with nominal current of 180mA? Is there any standard regarding this issue?
Tuesday, 9 July 2019 - 06:54
Radiated Electromagnetic test fails
Hi all , The circuit should sense 2A and 4A current , so a 20m shunt is used When EMI enters (20MHz-1GHz) , instead of 4A detection , 2A is detected Load is car lamp It seems the...
Monday, 27 April 2015 - 12:12
High side protection cirruit + resonance circuit suggestion
Hi all ,   below , Q10 is the low side protection circuit in the case of over current of Q7 (NPN Transistor) 1 - can you suggest a high side protection circuit for a PNP...
Wednesday, 14 January 2015 - 05:00
h bridge driver 's switching effects battery supply
Hi all , I utilize the attached circuit and the switching part is working correct but it effects the battery supply (+12v) and drops it to 10v in minimum case of switching and...
Sunday, 14 December 2014 - 11:57
TFT screen disappears
Hi all , I've designed a tester , the product has got a connector which is supposed to be connected to the tester's connector The tester has got a 7Inch TFT Sometimes , whenever...
Wednesday, 6 February 2013 - 05:13
Power Supply problem on TFT LCD
Hi all, I've got a problem with TFT LCD with ILI9320Controller, Sometimes disconnecting the power supply and then connecting that after nearly 2 seconds results in malfunction ,...
Tuesday, 7 August 2012 - 03:26
UDN & ULN Protection
Hi all , I want to protect ULN2803 (NPN Array Transistors , Active Low) and UDN2981(PNP Array Transistors , Active High) , How could I do that ? The board I'm designing is a...
Thursday, 8 December 2011 - 15:13
Current Sense
Hi all , This circuit is wrong apparently (Regarding +12V) , How could I sense the current ? Is +12V to +5V conversion the only way ? Thanks in advance
Sunday, 13 November 2011 - 18:02
atmega8 watchdog and timers problem
Hi all , I've got some problems dealing with ATMEGA8 I haven't had this kind of problems with ATMEGA16,32,64,128 and 1280 Watcdog timer & TIM0_Delay(100) & TIM1_Delay(100...
Wednesday, 7 September 2011 - 10:23
GCC Through AVRStudio Problem
Hi all , I've got a problem with GCC project through AVRStudio When tested with CodeVision , everything was allright With GCC I can't see anything on HyperTerminal 1)It seems...
Thursday, 16 December 2010 - 08:40
USB & VB6 Communication
Hi All , I want to connect an ATMega32 Micro to PC Through USB Port , using Visual Basic 6 . I don't Want to use RS232 to USB or USB to RS232 or any other convertors . Just...
Tuesday, 3 August 2010 - 07:35