Satellite Broadband 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