Saturday, February 26, 2011

CrazyEngineers Forum - Electrical & Electronics Engineering

CrazyEngineers Forum - Electrical & Electronics Engineering


Contents of registers when 8085 is powered on?

Posted: 25 Feb 2011 07:42 PM PST

When we power on the 8085 microprocessor kit, all the memory locations contain garbage values.

Is it the same case with registers (A, B, C, D, E, H, L)? Do they contain garbage values or they contain all zeroes?

I have heard that the flag register is always initialized to zero, when 8085 is powered on. WHat about other registers?

Small Antenna for portable transmitter

Posted: 25 Feb 2011 10:16 AM PST

Hello everyone,i am designing a transmitter circuit having 100MHz as output signal.i require a pocket size antenna for it.i would like to know if it is possible to use a small antenna,typically of few centimetres to transmit a 100MHz signal or do i have to increase the output frequency.if it is possible to transmit it can anyone suggest a source for it.

Thank you

Star - delta connection

Posted: 25 Feb 2011 07:16 AM PST

Is it true, delta connection draws 1/3 of the current of star connection...If so explain me...

Thanks in advance.......

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