what is phase reversal keying

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An op-amp comparator circuit uses which of the following a. positive feedback b. negative feedback c. active feedback d. no feedback

4 Answers  

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what is electronic communication.

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whats the difference between diode and transistor

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what is hole current??

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if an IP host moves from one subnet to another it must change its IP address.why? Must the MAC address also change? why or why not?

1 Answers   HAL,

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Photolithography involves A Making photographic mask and photoetching B Only photoetching C Only masking D None of these

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how to find the fault in smps if i am not getting the output

0 Answers   Philips,

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please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI}}} TECHNICAL question papers TO MY EMAIL ID megalasri@gmail.com I AM BE APPEARING STUDENT CAN I FILL THE FORM OF SECTION ENGG i have to face written test of rrb for the post of J.E (signal), so please send me the old/model question papers for this post to my e-mail ? electronics).for tecnical test question which book is preferred. Railway recruitment board (Changighar examination 2006 & 2005&2004 question papers. Wtion to Your Friend] RRB examination.so which book I have to refer?

0 Answers  

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69,70 or 71 in box-1 ; 18,19, or 20 in box-2 ; 60,61, or 62 in box-3 get -3 , -4 , or -5 in box-2 in 3 steps.Use all operations i.e. ( +,-,*,/ ).

0 Answers   Godrej,

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What is the difference between on-off control and phase control?

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Why the width of the base region of a transistor is kept very small compared to other regions?

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