Motorola GM160 Informations sur les services - Page 3

Parcourez en ligne ou téléchargez le pdf Informations sur les services pour {nom_de_la_catégorie} Motorola GM160. Motorola GM160 34 pages. Professional radio
Également pour Motorola GM160 : Manuel de l'utilisateur (44 pages), Manuel d'entretien de base (46 pages), Informations sur les services (32 pages), Informations sur les services (32 pages), Manuel de l'utilisateur (44 pages)

Motorola GM160 Informations sur les services

Table of Contents

Chapter 1
1.0 GM140/GM160 Model Chart................................................................................1-1
2.0 GM340/GM360/GM380 Model Chart ...................................................................1-1
3.0 GM640/GM660/GM1280 Model Chart .................................................................1-2
4.0 Technical Specifications ......................................................................................1-3
Chapter 2
1.0 Introduction ..........................................................................................................2-1
2.0 VHF (136-174MHz) Receiver...............................................................................2-1
2.1 Receiver Front-End ........................................................................................2-1
2.1 Front-End Band-Pass Filters & Pre-Amplifier .................................................2-2
2.2 First Mixer and High Intermediate Frequency (IF) ..........................................2-2
3.0 VHF (136-174MHz)
3.1 First Power Controlled Stage..........................................................................2-3
3.2 Power Controlled Driver Stage .......................................................................2-4
3.3 Final Stage .....................................................................................................2-4
3.4 Directional Coupler.........................................................................................2-4
3.5 Antenna Switch...............................................................................................2-5
3.6 Harmonic Filter ...............................................................................................2-5
3.7 Power Control .................................................................................................2-5
4.0 VHF (136-174MHz) Frequency Synthesis ...........................................................2-6
4.1 Reference Oscillator .......................................................................................2-6
4.2 Fractional-N Synthesizer ................................................................................2-6
4.3 Voltage Controlled Oscillator (VCO) ...............................................................2-7
4.4 Synthesizer Operation ....................................................................................2-8
5.0 VHF (136-174MHz)
5.1 Power Controlled Stage..................................................................................2-9
5.2 Pre-Driver Stage...........................................................................................2-10
5.3 Driver Stage..................................................................................................2-10
5.4 Final Stage ...................................................................................................2-10
5.5 Directional Coupler.......................................................................................2-10
5.6 Antenna Switch.............................................................................................2-11
5.7 Harmonic Filter .............................................................................................2-11
5.8 Power Control ...............................................................................................2-11
iii
......................2-3
.....................2-9