RF System Design for Communications · Digital lecture note
Lecture 13 – Phase shifting, Hartley/Weaver, image rejection
Haberleşme için RF Sistem Tasarımı – Faz kaydırma, Hartley/Weaver, image rejection (Ders 13)
- Course
- RF System Design for Communications (ELM667)
- Semester
- Semester 7 · Fall 2024–25
- Format
- PDF · 10 pages · 0.8 MB · handwriting-style LaTeX
- Language
- Turkish
- Original note
- Ders-13.pdf
Open the PDF (0.8 MB)LaTeX source (.tex)Original handwritten note
What is in this note?
Section headings of the note (in Turkish):
- 90^° Phase Shift
- Hilbert Transform
- Implementation of 90^° phase shift
- (1) RC-CR Network
- (2) Quadrature down Conversion
- Image Reject Receivers (Hartley Architecture)
- Weaver Architecture
- Çalışma sorusu
- Measure of Image Rejection
- Weaver Architecture for Image Rejection
- Double quadrature Down Conversion
- Dual Band Receiver for Weaver Architecture
- Dual Band Receiver Example
Text of the note
Show as plain text (Turkish; formulas and drawings are not included)
Implementation of 90^° phase shift
(1) RC-CR Network
Ama sadece merkez frekansında 90 derece.
(2) Quadrature down Conversion
2) ω_0<ω_RF Low injection
Image Reject Receivers (Hartley Architecture)
for channel → low side
for image → high side
In case of phase and gain mismatch (error)
Image can not remove completely
Measure of Image Rejection
IRR : Image Rejection Ratio
Weaver Architecture for Image Rejection
ikinci imageden kurtulmak için son kısmı zero if kullanılabilir
Double quadrature Down Conversion
Dual Band Receiver for Weaver Architecture
B. Razavi ``A 900MHz/1800MHz Architecture for Dual Band Application''
Dual Band Receiver Example