Question
Download Solution PDFआदर्श Op-amp चा इनपुट प्रतिबाधा ______ आहे.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFयोग्य उत्तर पर्याय 2 आहे.
ऑपरेशनल अ‍ॅंप्लीफायर
ऑपरेशनल अ‍ॅंप्लीफायर हे मुळात तीन-टर्मिनल डिव्हाइस आहे ज्यामध्ये दोन उच्च-प्रतिबाधा इनपुट असतात.
इनपुटपैकी एका इनपुटला इनव्हर्टिंग इनपुट म्हणतात, ऋणात्मक किंवा "वजा" चिन्हाने चिन्हांकित केले जाते, ( – ). इतर इनपुटला नॉन-इनव्हर्टिंग इनपुट म्हणतात, ज्याला धनात्मक किंवा “अधिक” चिन्ह ( + ) ने चिन्हांकित केले जाते.
OP-AMP चे आउटपुट द्वारे दिले जाते:
\(V_o=A_{OL}({V_+-V_-)}\)
जेथे, A OL = OP-AMP चा लाभ
V + = नॉन-इनव्हर्टिंग टर्मिनलवर इनपुट
V - = इनव्हर्टिंग टर्मिनलवर इनपुट
आदर्श OP-AMP ची वैशिष्ट्ये
- अनंत इनपुट प्रतिबाधा
- शून्य आउटपुट प्रतिबाधा
- अनंत विद्युतदाब वाढणे
- अनंत CMRR
- अनंत वार दर
- शून्य ऑफसेट विद्युतदाब
- शून्य इनपुट बायस विद्युत प्रवाह
Last updated on Jun 11, 2025
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