Question
Download Solution PDFAM संग्राही का IF मान किसके बीच होता है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFAM संग्राही:
- सुपरहेट्रोडाइन (SHD) संग्राही का प्रयोग AM संग्राही परिपथ में किया जाता है।
- AM संग्राही के लिए मध्यवर्ती आवृत्ति मान 430 kHz से 25 MHz के बीच होता है।
- AM के लिए मानक IF, 455 kHz है।
महत्वपूर्ण बिंदु:
AM के लिए SHD संग्राही, स्थानीय दोलक आवृत्ति को निम्न द्वारा ज्ञात किया गया है:
- निम्न-रूपांतरण के लिए: fL0 = fs - fIF
- उच्च-रूपांतरण के लिए: fL0 = fs + fIF
जहाँ,
fL0 = स्थानीय दोलक आवृत्ति
fs = संचारित सिग्नल आवृत्ति
fIF = मध्यवर्ती आवृत्ति
Last updated on Jul 16, 2025
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