User Manuals: Motorola GM950 Mobile Radios

Manuals and User Guides for Motorola GM950 Mobile Radios. We have 7 Motorola GM950 Mobile Radios manuals available for free PDF download: Manual, User Manual, Installation Manual

Motorola GM950 Manual (92 pages)

Band Specific Information

Brand: Motorola | Category: Radio | Size: 3.8 MB

Table of Contents

5
- 1 Overview
  
  7
- 2 Model Chart
  
  7
  - Service Options
    8
  - General
    9
  - Transmitter
    9
  - Receiver
    10
  - Self-Quieting Frequencies
    10
Table of Contents

11
- General
  13
  - Chapter 5C
    13
- Midband (66-88Mhz) Tuning Procedure
  13
- Battery Threshold
  15
- PA Bias Voltage
  15
- Reference Oscillator
  16
- Transmitter Power
  16
- Front-End Filter
  17
- Rated Volume
  18
- Squelch
  18
- Transmit Deviation Limit
  19
- Transmit Modulation Balance (Compensation)
  19
- Tone (SELECT 5) Transmit Deviation
  20
- DTMF Transmit Deviation
  21
Table of Contents

23
- Paragraph Page
  24
- 1 Overview
  
  25
- 2 Open Controller
  
  25
  - General
    25
  - Voltage Regulators
    25
  - Electronic On/Off
    26
  - Emergency
    27
  - Mechanical On/Off
    27
  - Ignition
    27
  - Hook RSS
    27
  - Microprocessor Clock Synthesizer
    28
  - Serial Peripheral Interface (SPI)
    28
  - SPEB Serial Interface
    29
  - General Purpose Input/Output
    30
  - Normal Microprocessor Operation
    30
  - 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 Circuits
  
  33
- 3 General
  
  33
  - Audio Signalling Filter IC (ASFIC)
    33
  - Audio Ground
    33
- 4 Transmit Audio Circuits
  
  34
  - MIC Input Path
    34
  - External MIC Path
    35
  - PTT Sensing and TX Audio Processing
    35
  - TX Secure Audio (Optional)
    35
- 5 Transmit Signalling Circuits
  
  36
- 6 Receive Audio Circuits
  
  38
  - Squelch Detect
    38
  - Audio Processing and Digital Volume Control
    39
  - Audio Amplification Speaker (+) Speaker (-)
    39
  - Handset Audio
    40
  - Filtered Audio
    40
  - RX Secure Audio (Optional)
    40
- 7 Receive Signalling Circuits
  
  41
  - Alert Tone Circuits
    41
- Midband (66-88Mhz) Specific Circuit Description
  
  43
- 8 Receiver Front-End
  
  43
  - Mixer and Intermediate Frequency (IF) Section
    43
  - If IC (U2201)
    44
- 9 Transmitter Power Ampliﬁer (PA) 5-25W
  
  44
  - Power Controlled Stage
    44
  - PA Stages
    45
  - Directional Coupler
    45
  - Antenna Switch
    45
  - Harmonic Filter
    46
  - Power Control
    46
- 10 Frequency Synthesis
  
  47
Table of Contents

51
- PCB Layout Component Side
  53
- PCB Layout Solder Side
  54
- Open Controller Schematic Diagram 1 of 2
  55
- Open Controller_Io Schematic Diagram 2 of 2
  57
- Parts List
  58
- Supply Voltage Schematic Diagram
  59
- Parts List
  60
- Power Control Schematic Diagram
  61
- Parts List
  62
- Power Ampliﬁer 5-25W Schematic Diagram
  63
- Parts List
  64
- Synthesizer Schematic Diagram
  65
- Parts List
  66
- Voltage Controlled Oscillator Schematic Diagram
  67
- Parts List
  68
- RX-FE Schematic Diagram
  69
- Parts List
  70
- RX-IF Schematic Diagram
  71
- Parts List
  72
- PCB Layout Component Side
  73
- PCB Layout Solder Side
  74
- Power Control Schematic Diagram
  75
- Parts List
  76
- Power Ampliﬁer 5-25W Schematic Diagram
  77
- Parts List
  78
- Synthesizer Schematic Diagram
  79
- Parts List
  80
- RX-IF Schematic Diagram
  81
- Parts List
  82
- PCB Layout Component Side
  83
- PCB Layout Solder Side
  84
- Open Controller Schematic Diagram 1 of 3
  85
- Parts List
  86
- Open Controller_Audio Schematic Diagram 2 of 3
  87
- Open Controller_Io Schematic Diagram 3 of 3
  89
- Supply Voltage Schematic Diagram
  91
- Parts List
  92

motorola GM950 Manual (18 pages)

Control Heads/Control Microphones Specific Information

Brand: motorola | Category: Radio | Size: 0.74 MB

Table of Contents
5
1 Overview

7
2 Mechanical Parts List

7
- Chapter 4C
  7
3 Theory of Operation

8
- General
  8
- Power Supplies
  8
- Power on / off
  8
- PTT Button
  8
- ON/OFF Hook Control
  8
- Keypad and Top Keys
  9
- Switch Functions
  9
- Status LED and Back Light Circuit
  9
- Liquid Crystal Display (LCD)
  10
- Microphone Amplifier
  10
- Speaker
  10
- Connections to the Radio
  10
- Electrostatic Transient Protection
  11
- Jumper Functions
  11

Motorola GM950 Manual (18 pages)

Control Heads/Control Microphones Specific Information

Brand: Motorola | Category: Radio | Size: 0.45 MB

Table of Contents
5
1 Overview

7
- Chapter 4D
  7
2 Exploded View Diagram

8
3 Theory of Operation

8
- General
  8
- Power Supplies
  9
- Voltage Regulator Circuit
  9
- Power on / off
  9
- Microprocessor Circuit
  10
- Serial Peripheral Interface (SPI)
  10
- Keypad Keys
  11
- Status LED and Back Light Circuit
  11
- Liquid Crystal Display (LCD)
  11
- Microphone Connector
  12
- Electrostatic Transient Protection
  12

Motorola GM950 User Manual (11 pages)

Brand: Motorola | Category: Car Receiver | Size: 0.23 MB

Table of Contents
1
Safety Information
1
General Information
2
Radio Controls and Indicators
2
Audio Signals
3
Display Icons
3
Radio On/Off
4
Call Set up
4
- Channel Selection
  4
- Address Selection
  4
- Status Selection
  5
- Sending a Selective Call
  5
Communication Procedures
5
- Call Termination
  5
Receiving a Selective Call
6
Call in Absence
6
Dtmf
7
Option Button Functions
7
Computer Software Copyright
9

Motorola GM950 User Manual (9 pages)

Motorola Portable Radio User Guide

Brand: Motorola | Category: Radio | Size: 0.14 MB

Table of Contents
1
Safety Information
1
General Information
2
Radio Controls and Indicators
2
Audio Signals
3
Display Icons
3
Radio On/Off
3
Channel Selection
4
- 4-Channel Model
  4
Channel Without Selective Call Functions
4
Communication Procedures
4
- Call Termination
  4
Channel with Selective Call Functions
5
Option Button Functions
6
Computer Software Copyright
7
Overview
9

Motorola GM950 Manual (16 pages)

Control Heads/Control Microphones Specific Information

Brand: Motorola | Category: Radio | Size: 0.33 MB

Motorola GM950 Installation Manual (10 pages)

Remote Mount Kit

Brand: Motorola | Category: Radio | Size: 0.12 MB

Motorola Categories

Cell Phone Two-Way Radio Baby Monitor

Cordless Telephone Radio

More Motorola Manuals

User Manuals: Motorola GM950 Mobile Radios

Motorola GM950 Manual (92 pages)

Table of Contents

Table of Contents

1 Overview

2 Model Chart

Table of Contents

Table of Contents

1 Overview

2 Open Controller

Controller Board Audio and Signalling Circuits

3 General

4 Transmit Audio Circuits

5 Transmit Signalling Circuits

6 Receive Audio Circuits

7 Receive Signalling Circuits

Midband (66-88Mhz) Specific Circuit Description

8 Receiver Front-End

9 Transmitter Power Ampliﬁer (PA) 5-25W

10 Frequency Synthesis

Table of Contents

motorola GM950 Manual (18 pages)

Table of Contents

1 Overview

2 Mechanical Parts List

3 Theory of Operation

Motorola GM950 Manual (18 pages)

Table of Contents

1 Overview

2 Exploded View Diagram

3 Theory of Operation

Motorola GM950 User Manual (11 pages)

Table of Contents

Motorola GM950 User Manual (9 pages)

Table of Contents

Motorola GM950 Manual (16 pages)

Table of Contents

Motorola GM950 Installation Manual (10 pages)

Related Products

Motorola Categories