Question
Download Solution PDFAM रिसीव्हर्सची IF मूल्ये ________ दरम्यान असतात.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFAM रिसीव्हर:
- सुपरहेटेरोडाइन (SHD) रिसीव्हर AM रिसीव्हर परिपथामध्ये वापरला जातो.
- AM रिसीव्हरसाठी इंटरमीडिएट वारंवारता मूल्य 430 kHz ते 25 MHz दरम्यान असते.
- AM साठी, मानक IF 455 kHz आहे.
महत्वाचे मुद्दे:
AM, SHD रिसीव्हरसाठी, स्थानिक ऑसिलेटर वारंवारता याद्वारे दिली जाते:
- डाउन - रूपांतरणासाठी : fL0 = fs - fIF
- अप-रूपांतरणासाठी : fL0 = fs + fIF
जेथे,
fL0 = स्थानिक ऑसिलेटर वारंवारता.
fs = प्रसारित सिग्नल वारंवारता
fIF = इंटरमीडिएट वारंवारता.
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