A condition, where two signal applied in differential inputs are of the same phase, frequency and amplified, is called

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IPRC (ISRO) Technician B (Electronics) 2018 Official Paper (Held on 22 April 2018)
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  1. Common baud
  2. Common mode
  3. Common signal
  4. Common input

Answer (Detailed Solution Below)

Option 2 : Common mode
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In common mode, two signals applied in differential inputs are of the same phase, frequency, and amplified.

Additional Information

समान मोड:

  • एक समान मोड सिग्नल वह होता है जो विभेदक एम्प्लीफायर के दोनों इनपुट को समान रूप से वर्णित करता है
  • समान मोड सिग्नल व्यतिकरण, स्टेटिक और अन्य प्रकार का अवांछनीय संग्रह इत्यादि होता है

 

अनुप्रयोग:

  • विभेदक एम्प्लीफायर में ट्रांजिस्टर को निकटतम मान तक मिलान के लिए चुना जाता है
  • यदि दोनों ट्रांजिस्टर सभी संबंधों में मेल खाते हैं, तो संतुलित आउटपुट सैद्धांतिक रूप से शून्य होगा
  • यह विभेदक एम्प्लीफायर की महत्वपूर्ण विशेषता है
  • यह समान मोड वाले इनपुट सिग्नल के विरुद्ध अंतर प्रदान करता है अर्थात यह समान मोड वाले सिग्नल को परिवर्धित नहीं करता है
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