Motorola GM950 Manuals
Manuals and User Guides for Motorola GM950. We have 6 Motorola GM950 manuals available for free PDF download: Manual, User Manual
Motorola GM950 Manual (92 pages)
Band Specific Information
Table of contents
Table Of Contents5................................................................................................................................................................
Overview7................................................................................................................................................................
Model Chart7................................................................................................................................................................
Service Options8................................................................................................................................................................
General9................................................................................................................................................................
Transmitter9................................................................................................................................................................
Receiver10................................................................................................................................................................
Self-quieting Frequencies10................................................................................................................................................................
Midband (66-88mhz) Tuning Procedure13................................................................................................................................................................
Chapter 5c13................................................................................................................................................................
Pa Bias Voltage15................................................................................................................................................................
Battery Threshold15................................................................................................................................................................
Transmitter Power16................................................................................................................................................................
Reference Oscillator16................................................................................................................................................................
Front-end Filter17................................................................................................................................................................
Rated Volume18................................................................................................................................................................
Squelch18................................................................................................................................................................
Transmit Modulation Balance (compensation)19................................................................................................................................................................
Transmit Deviation Limit19................................................................................................................................................................
Tone (select 5) Transmit Deviation20................................................................................................................................................................
Dtmf Transmit Deviation21................................................................................................................................................................
Paragraph Page24................................................................................................................................................................
Open Controller25................................................................................................................................................................
Voltage Regulators25................................................................................................................................................................
Electronic On/off26................................................................................................................................................................
Emergency27................................................................................................................................................................
Mechanical On/off27................................................................................................................................................................
Ignition27................................................................................................................................................................
Hook Rss27................................................................................................................................................................
Microprocessor Clock Synthesizer28................................................................................................................................................................
Serial Peripheral Interface (spi)28................................................................................................................................................................
Speb Serial Interface29................................................................................................................................................................
General Purpose Input/output30................................................................................................................................................................
Normal Microprocessor Operation30................................................................................................................................................................
Flash Electronically Erasable Programmable Memory (flash Eeprom)32................................................................................................................................................................
Electrically Erasable Programmable Memory (eeprom)32................................................................................................................................................................
Static Random Access Memory (sram)33................................................................................................................................................................
Controller Board Audio And Signalling Circuits33................................................................................................................................................................
Audio Signalling Filter Ic (asfic)33................................................................................................................................................................
Audio Ground33................................................................................................................................................................
Transmit Audio Circuits34................................................................................................................................................................
Mic Input Path34................................................................................................................................................................
External Mic Path35................................................................................................................................................................
Ptt Sensing And Tx Audio Processing35................................................................................................................................................................
Tx Secure Audio (optional)35................................................................................................................................................................
Transmit Signalling Circuits36................................................................................................................................................................
Sub-audible Data (pl/dpl)36................................................................................................................................................................
High Speed Data37................................................................................................................................................................
Dual Tone Multiple Frequency (dtmf) Data37................................................................................................................................................................
Receive Audio Circuits38................................................................................................................................................................
Squelch Detect38................................................................................................................................................................
Audio Processing And Digital Volume Control39................................................................................................................................................................
Audio Amplification Speaker (+) Speaker (-)39................................................................................................................................................................
Handset Audio40................................................................................................................................................................
Filtered Audio40................................................................................................................................................................
Rx Secure Audio (optional)40................................................................................................................................................................
Receive Signalling Circuits41................................................................................................................................................................
Alert Tone Circuits41................................................................................................................................................................
Midband (66-88mhz) Specific Circuit Description43................................................................................................................................................................
Receiver Front-end43................................................................................................................................................................
Mixer And Intermediate Frequency (if) Section43................................................................................................................................................................
If Ic (u2201)44................................................................................................................................................................
Transmitter Power Amplifier (pa) 5-25w44................................................................................................................................................................
Power Controlled Stage44................................................................................................................................................................
Pa Stages45................................................................................................................................................................
Directional Coupler45................................................................................................................................................................
Antenna Switch45................................................................................................................................................................
Harmonic Filter46................................................................................................................................................................
Power Control46................................................................................................................................................................
Frequency Synthesis47................................................................................................................................................................
Fractional-n Synthesizer (u2701)47................................................................................................................................................................
Voltage Controlled Oscillator (vco)48................................................................................................................................................................
Synthesizer Operation48................................................................................................................................................................
Pcb Layout Component Side53................................................................................................................................................................
Pcb Layout Solder Side54................................................................................................................................................................
Open Controller Schematic Diagram 1 Of 255................................................................................................................................................................
Open Controller_io Schematic Diagram 2 Of 257................................................................................................................................................................
Parts List58................................................................................................................................................................
Supply Voltage Schematic Diagram59................................................................................................................................................................
Power Control Schematic Diagram61................................................................................................................................................................
Power Amplifier 5-25w Schematic Diagram63................................................................................................................................................................
Synthesizer Schematic Diagram65................................................................................................................................................................
Voltage Controlled Oscillator Schematic Diagram67................................................................................................................................................................
Rx-fe Schematic Diagram69................................................................................................................................................................
Rx-if Schematic Diagram71................................................................................................................................................................
Open Controller Schematic Diagram 1 Of 385................................................................................................................................................................
Open Controller_audio Schematic Diagram 2 Of 387................................................................................................................................................................
Open Controller_io Schematic Diagram 3 Of 389................................................................................................................................................................
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motorola GM950 Manual (18 pages)
Control Heads/Control Microphones
Specific Information
Table of contents
Table Of Contents5................................................................................................................................................................
Overview7................................................................................................................................................................
Mechanical Parts List7................................................................................................................................................................
Chapter 4c7................................................................................................................................................................
Theory Of Operation8................................................................................................................................................................
General8................................................................................................................................................................
Power Supplies8................................................................................................................................................................
Power On / Off8................................................................................................................................................................
Ptt Button8................................................................................................................................................................
On/off Hook Control8................................................................................................................................................................
Keypad And Top Keys9................................................................................................................................................................
Switch Functions9................................................................................................................................................................
Status Led And Back Light Circuit9................................................................................................................................................................
Liquid Crystal Display (lcd)10................................................................................................................................................................
Microphone Amplifier10................................................................................................................................................................
Speaker10................................................................................................................................................................
Connections To The Radio10................................................................................................................................................................
Electrostatic Transient Protection11................................................................................................................................................................
Jumper Functions11................................................................................................................................................................
Motorola GM950 Manual (18 pages)
Control Heads/Control Microphones
Specific Information
Table of contents
Table Of Contents5................................................................................................................................................................
Overview7................................................................................................................................................................
Chapter 4d7................................................................................................................................................................
Exploded View Diagram8................................................................................................................................................................
Theory Of Operation8................................................................................................................................................................
General8................................................................................................................................................................
Power Supplies9................................................................................................................................................................
Voltage Regulator Circuit9................................................................................................................................................................
Power On / Off9................................................................................................................................................................
Microprocessor Circuit10................................................................................................................................................................
Serial Peripheral Interface (spi)10................................................................................................................................................................
Keypad Keys11................................................................................................................................................................
Status Led And Back Light Circuit11................................................................................................................................................................
Liquid Crystal Display (lcd)11................................................................................................................................................................
Microphone Connector12................................................................................................................................................................
Electrostatic Transient Protection12................................................................................................................................................................
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Motorola GM950 Manual (16 pages)
Control Heads/Control Microphones
Specific Information
Motorola GM950 User Manual (11 pages)
Brand: Motorola | Category: Car Receiver | Size: 0.23 MB
Table of contents
Table Of Contents1................................................................................................................................................................
Safety Information1................................................................................................................................................................
General Information2................................................................................................................................................................
Radio Controls And Indicators2................................................................................................................................................................
Audio Signals3................................................................................................................................................................
Display Icons3................................................................................................................................................................
Radio On/off4................................................................................................................................................................
Call Set Up4................................................................................................................................................................
Channel Selection4................................................................................................................................................................
Address Selection4................................................................................................................................................................
Status Selection5................................................................................................................................................................
Sending A Selective Call5................................................................................................................................................................
Communication Procedures5................................................................................................................................................................
Call Termination5................................................................................................................................................................
Receiving A Selective Call6................................................................................................................................................................
Call In Absence6................................................................................................................................................................
Dtmf7................................................................................................................................................................
Option Button Functions7................................................................................................................................................................
Computer Software Copyright9................................................................................................................................................................
Motorola GM950 User Manual (9 pages)
Motorola Portable Radio User Guide
Table of contents
Table Of Contents1................................................................................................................................................................
Safety Information1................................................................................................................................................................
General Information2................................................................................................................................................................
Radio Controls And Indicators2................................................................................................................................................................
Audio Signals3................................................................................................................................................................
Display Icons3................................................................................................................................................................
Radio On/off3................................................................................................................................................................
Channel Selection4................................................................................................................................................................
4-channel Model4................................................................................................................................................................
Channel Without Selective Call Functions4................................................................................................................................................................
Communication Procedures4................................................................................................................................................................
Call Termination4................................................................................................................................................................
Channel With Selective Call Functions5................................................................................................................................................................
Address Selection5................................................................................................................................................................
Status Selection5................................................................................................................................................................
Sending A Selective Call5................................................................................................................................................................
Receiving A Selective Call5................................................................................................................................................................
Option Button Functions6................................................................................................................................................................
Computer Software Copyright7................................................................................................................................................................
Overview9................................................................................................................................................................
