Modems & Modem Circuits

 
Fundamentals about modulations and demodulations (modem) and their integrated circuits for the satellite broadband incl. modulators, demodulators, amplifiers, filters, encoders/decoders, error correction, AD and DA converters.

 

Introduction

General information about modems for satellite broadband communications.

 

Modem Internal Structure & Circuits

Internal structure (circuits) and layout of the modems.

 

Modems Pictures - Typical

Some nice pictures.

 

Baseband Processing

 

Coding & Modulation

 

Clocking / Timing

 

Demapper

 

Demodulator

 

Forward Channel

 

L-Band/IF Printed Circuit Card

 

Loopback Features

 

Miscellaneous Subjects

 

Modulator

 

Multiplexer / Demultiplexer

 

Network Type

 

Return Channel

 

Scrambling

 

Special Technologies

 

Tuner

 

 

Website: http://www.angelia.space Emails: contact@angelia.space or angelia@xmail.net