a) What is the intermediate frequency and why is it necessary (why not simply use the RF frequency e.g. 7.125GHZ from the radio to the antenna) b) What is the purpose of the hybrid coupler? c) A simple point to point microwave transmission link has no redundancy. Failure of the link will result in an outage. Therefore, typical microwave transmission links are designed with redundancy. Explain the following redundancy techniques 1+1 Hot Standby (HSB), 1+1 Space Diversity (SD), and 1+1 FD (Frequency Diversity) |

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Hybrid
Coupler
ODU
(Out Door
Unit)
Antenna
RF
Frequency
e.g. 7GHZ
Waveguide
Intermediate
Frequency
(IF)
e.g. 200MHZ
IP
Network
Microwave Radio e.g.
Ericsson Mini Link or
Huawei Optix RTN
Typical Microwave Transmission
Circuit
a) What is the intermediate frequency and why is it necessary (why not simply use the
RF frequency e.g. 7.125GHZ from the radio to the antenna)
b) What is the purpose of the hybrid coupler?
c) A simple point to point microwave transmission link has no redundancy. Failure of
the link will result in an outage. Therefore, typical microwave transmission links are
designed with redundancy. Explain the following redundancy techniques 1+1 Hot
Standby (HSB), 1+1 Space Diversity (SD), and 1+1 FD (Frequency Diversity) |
Transcribed Image Text:Hybrid Coupler ODU (Out Door Unit) Antenna RF Frequency e.g. 7GHZ Waveguide Intermediate Frequency (IF) e.g. 200MHZ IP Network Microwave Radio e.g. Ericsson Mini Link or Huawei Optix RTN Typical Microwave Transmission Circuit a) What is the intermediate frequency and why is it necessary (why not simply use the RF frequency e.g. 7.125GHZ from the radio to the antenna) b) What is the purpose of the hybrid coupler? c) A simple point to point microwave transmission link has no redundancy. Failure of the link will result in an outage. Therefore, typical microwave transmission links are designed with redundancy. Explain the following redundancy techniques 1+1 Hot Standby (HSB), 1+1 Space Diversity (SD), and 1+1 FD (Frequency Diversity) |
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