op-ampలో, ఇన్పుట్ ఇంపెడెన్స్ _______ మరియు అవుట్పుట్ ఇంపెడెన్స్ _______.

This question was previously asked in
RRB ALP Electronics Mechanic 21 Jan 2019 Official Paper (Shift 3)
View all RRB ALP Papers >
  1. అధిక; అధిక
  2. తక్కువ; తక్కువ
  3. తక్కువ; అధిక
  4. అధిక; తక్కువ

Answer (Detailed Solution Below)

Option 4 : అధిక; తక్కువ
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ఆపరేషనల్ యాంప్లిఫైయర్ (OP-AMP)

F4 Vinanti Engineering 06.02.23 D2

ఆపరేషనల్ యాంప్లిఫైయర్ (op-amp) అనేది ఇంటిగ్రేటెడ్ సర్క్యూట్ (IC), ఇది రెండు ఇన్‌పుట్‌ల మధ్య వోల్టేజ్‌లో వ్యత్యాసాన్ని పెంచుతుంది.

ఇది రెండు టెర్మినల్‌లను కలిగి ఉంది, అనగా ఇన్వర్టింగ్ మరియు నాన్-ఇన్వర్టింగ్ టెర్మినల్స్.

OP-AMP యొక్క అవుట్‌పుట్:

\(V_{OUT}=A_V({V_{NI}-V_I})\)

OP-AMP యొక్క లక్షణాలు

  • అధిక ఇన్‌పుట్ ఇంపెడెన్స్
  • తక్కువ అవుట్‌పుట్ ఇంపెడెన్స్
  • అధిక CMRR
  • అధిక లాభం
  • అధిక స్లవ్ రేటు
  • తక్కువ ఇన్‌పుట్ ఆఫ్‌సెట్ వోల్టేజ్
  • అధిక బ్యాండ్‌విడ్త్
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