Motorola RADIUS CM200 Basic Service Manual
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Motorola RADIUS CM200 Basic Service Manual

Commercial series
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  • Page 1 ™ ™ Radius CM200 CM300 ™ & Motorola PM400 Commercial Series Mobile Radio Basic Service Manual...
  • Page 3 CM200/CM300/PM400 Radios Basic Service Manual 6802966C15-A Issue: August, 2004...

  • Page 4: Foreword

    Foreword This manual is intended for use by service technicians familiar with similar types of equipment. It contains service information required for the equipment described and is current as of the printing date. Changes which occur after the printing date may be incorporated by a complete Manual revision or alternatively as additions. Note: Before operating or testing these units, please read the Product Safety and RF Exposure Compliance section.

  • Page 5: Table Of Contents

    Table of Contents Foreword... ii Computer Software Copyrights ... ii Document Copyrights ... ii Disclaimer ... ii Product Safety and RF Exposure Compliance ...vii Chapter 1 INTRODUCTION 1.0 Scope of Manual ...1-1 2.0 Warranty and Service Support...1-1 2.1 Warranty Period and Return Instructions ...1-1 2.2 After Warranty Period...1-1 3.0 Replacement Parts Ordering ...1-2 3.1 Basic Ordering Information...1-2...
  • Page 6 7.3 Control Heads Assembly... 2-13 7.4 Control Head Fitting ... 2-13 7.5 Option Board Installation ... 2-14 8.0 Radio Exploded Mechanical Views and Parts Lists... 2-15 8.1 Radio Assembly - 1-25 W Models ... 2-15 8.2 Radio Assembly - 25-40 W/25-45 W Models ... 2-16 8.3 Control Head - CM200 ...
  • Page 7 1.9 Peripherals ...6-4 2.0 Accessory Connector Pin Function...6-5 3.0 Microphone Connector Pin Function...6-6 Chapter 7 MODEL CHART AND TEST SPECIFICATION 1.0 Low Power Radios ...7-1 1.1 146-174 MHz CM200/CM300/PM400 Model Chart...7-1 1.2 438-370 MHz CM200/CM300/PM400 Model Chart...7-2 1.3 Specifications ...7-3 2.0 High Power Radios ...7-5 2.1 136-162 MHz CM300 Model Chart...7-5 2.2 146-174 MHz CM200/CM300/PM400 Model Chart...7-5...
  • Page 8 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 9: Safety Information

    SAFETY INFORMATION Product Safety and RF Exposure Compliance Note: Before using this product, read the operating instructions for safe usage contained in the Product Safety and RF Exposure booklet enclosed with your radio. C a u t i o n This radio is restricted to occupational use only to satisfy FCC RF energy exposure requirements.
  • Page 10 viii THIS PAGE IS INTENTIONALLY BLANK...

  • Page 11: Chapter 1 Introduction

    Scope of Manual This manual is intended for use by service technicians familiar with similar types of equipment. It contains service information required for the equipment described and is current as of the printing date. Changes which occur after the printing date may be incorporated by a complete Manual revision or alternatively as additions.

  • Page 12: Replacement Parts Ordering

    Replacement Parts Ordering Basic Ordering Information When ordering replacement parts or equipment information, the complete identification number should be included. This applied to all components, kits, and chassis. If the component part number is not known, the order should include the number of the chassis or kit of which it is a part, a sufficient description of the desired component to identify it.

  • Page 13: Parts Identification

    Radio Model Information Parts Identification Radio Products and Services Division (RPSD)* (United States and Canada) 1-800-422-4210, menu 3 * The Radio Products and Services Division (RPSD) was formerly known as the Accessories and Aftermarket Division (AAD) Radio Model Information The model number and serial number are located on a label attached to the back of your radio. You can determine the RF output power, frequency band, protocols, and physical packages.
  • Page 14 INTRODUCTION THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 15: Chapter 2 Maintenance

    Introduction This chapter provides details about the following: Preventive maintenance (inspection and cleaning). • Safe handling of CMOS and LDMOS devices. • Disassembly and reassembly of the radio. • Repair procedures and techniques. • Installation of Option Boards. • Preventive Maintenance The radios do not require a scheduled preventive maintenance program;...

  • Page 16: Safe Handling Of Cmos And Ldmos Devices

    Cleaning Internal Circuit Boards and Components Isopropyl alcohol (100%) may be applied with a stiff, non-metallic, short-bristled brush to dislodge embedded or caked materials located in hard-to-reach areas. The brush stroke should direct the dislodged material out and away from the inside of the radio. Make sure that controls are not soaked with alcohol.

  • Page 17: Repair Procedures And Techniques - General

    Repair Procedures and Techniques — General Repair Procedures and Techniques — General Parts Replacement and Substitution When damaged parts are replaced, identical parts should be used. If the identical replacement part is not locally available, check the parts list for the proper Motorola part number and order the part from the nearest Motorola Parts center listed in the “Piece Parts”...

  • Page 18: Radio Disassembly - Detailed

    Radio Disassembly - Detailed The procedure to remove and replace a Control Head, Top Cover or Transceiver Board is similar for all models of radio. A typical procedure is therefore shown followed by specific disassembly procedures for Control Heads on radio models without a display and radio models fitted with a display.
  • Page 19 Radio Disassembly - Detailed Figure 2-2 Control Head Removal To free the control head, disconnect the flat cable from the chassis assembly See Figure 2-3. Main PCB Connector Figure 2-3 Flat Cable Removal...

  • Page 20: Top Cover Removal

    Top Cover Removal Place the radio in a vertical position as shown in Figure 2-4. Figure 2-4 Top Cover Removal (Chassis Vertical). Insert the flat screw driver near the ‘T’ and push the plastic cover up until it pops over the ‘T’ mount boss.

  • Page 21: Main Shield Removal

    Radio Disassembly - Detailed Main Shield Removal Insert the screw driver in the gap between the main shield and chassis (speaker cutout area) and push the shield up. See Figure 2-6. Lift the cover from the chassis. PA Shield and DC Cable Removal Remove the three screws that attach the PA shield to PCB, and remove the PA shield.

  • Page 22: Pa Clip And Main Pcb Removal (For Low Power Models)

    Figure 2-8 PA Shield and DC Cable Removal (for High Power Models) PA Clip and Main PCB Removal (for Low Power Models) Remove the screw that attaches the PA clip to the chassis. See Figure 2-9. Remove the PA clip. Remove all the screws that fix the PCB to the chassis.

  • Page 23: Main Pcb Removal (For High Power Models)

    Radio Disassembly - Detailed Main PCB Removal (for High Power Models) Remove the PA screws. See Figure 2-10. Remove all the screws that fix the PCB to the chassis. Loosen the M2 screw (about 3 to 4 turns) on the RF connector using hex tool (Part number: 6680334F39).

  • Page 24: Disassembly Of Control Head - Cm200

    2-10 Disassembly of Control Head - CM200 Disconnect the flat cable from the Control Head PCB connector. See Figure 2-11. Remove the PCB from the keypad assembly. Remove the LENs from the rubber keypad assembly. Remove the keypad assembly from the control head housing by lifting it up from the face side.

  • Page 25: Disassembly Of Control Heads - Cm300/Pm400

    Radio Disassembly - Detailed Disassembly of Control Heads - CM300/PM400 Disconnect the flat cable from the Control Head PCB connector. See Figure 2-12. Remove the PCB from the keypad assembly. Remove the LCD assembly from the rubber keypad assembly. Remove the keypad assembly from the control head housing by lifting it up from the face side. Disconnect the speaker socket and remove the speaker from the keypad assembly.

  • Page 26: Radio Assembly

    2-12 Radio Assembly Chassis Assembly (for Low Power Models) Ensure that the Fuji Poly Thermal Pad is on the small pedestal located on the PA compartment of the chassis. Verify that the potentiometer is soldered properly. Take the main PCB and smear thermal paste on LDMOS Power Amplifier, TO220, and Audio Power Amplifier.

  • Page 27: Control Heads Assembly

    Radio Assembly 10. Take the main shield and place it on the chassis. Check that the corners of the main shield are seated properly on the corner supports. 11. Take the main seal and place it inside the top cover. Verify that the main seal is seated prop- erly on its placement ribs and all around the groove.

  • Page 28: Option Board Installation

    2-14 Option Board Installation Follow the disassembly procedure in paragraphs 6.1 to 6.3. Remove and discard the 4xM3 screws holding the main pcb and replace with the 4 spacers provided. Torque the spacers to 10 lbs. Insert the jumper flex into the connector on the option board. Notice the orientation of the right-angle flex circuit.

  • Page 29: Radio Exploded Mechanical Views And Parts Lists

    Radio Exploded Mechanical Views and Parts Lists Radio Exploded Mechanical Views and Parts Lists Radio Assembly - 1-25 W Models Table 2-1 Radio Assembly Parts List - 1-25 W Models Item No. Upper Cover Main Seal Bumper Main Shield PA Shield Screw PA Clip VHF Main PCB...

  • Page 30: Radio Assembly - 25-40 W/25-45 W Models

    2-16 Radio Assembly - 25-40 W/25-45 W Models Figure 2-15 Radio Assembly - 25-40 W/25-45 W Models Table 2-2 Radio Assembly Parts List - 25-40 W/25-45 W Models Item No. Upper Cover Main Seal Main Shield PA Shield Screw VHF Main PCB (45W) UHF Main PCB (40W) Connector Jack: Mini UHF...

  • Page 31: Control Head - Cm200

    Radio Exploded Mechanical Views and Parts Lists Control Head - CM200 Item no Control Head PCB Lens Keypad Control Head Plastic Knob Spring (part of knob - item 6) Knob, Volume Speaker Flat Cable (not shown) Nameplate Figure 2-16 Control Head CM200 Table 2-3 Control Head CM200 Parts List Description Part No...

  • Page 32: Control Head - Cm300/Pm400

    2-18 Control Head - CM300/PM400 Table 2-4 Control Head CM300/PM400 Parts List Item no Control Head PCB Light Guide Elastomeric Connector LCD Holder Keypad Speaker Control Head Plastic CM300 PM400 Knob Spring (part of Knob - item 10) Knob Lens: CM300 PM400 Flat Cable (Not Shown)

  • Page 33: Service Aids

    Service Aids Service Aids Table 2-5 lists the service aids recommended for working on the radio. While all of these items are available from Motorola, most are standard workshop equipment items, and any equivalent item capable of the same performance may be substituted for the item listed. Motorola Part RLN4460_ Portable Test Set...

  • Page 34: Test Equipment

    2-20 10.0 Test Equipment Table 2-6 lists test equipment required to service the radio and other two-way radios Motorola Part No. Description R2000, R2600 Service Monitor R2400, or R2001 with trunking option for Pri- vacy Plus™ and Smartnet Sys- † tems™...

  • Page 35: 11.0 Programming/Test Cable - Rkn4083

    Programming/Test Cable - RKN4083_ 11.0 Programming/Test Cable - RKN4083_ FLO830308-0 P1 (Male) J1 (Female) To Radio To RIB Test Set RLN4008 1000 50mm Cable 1000 50mm Cable J2 (Female) To Mobile Radio Accessory Connector Viewed from Front (pin end) of Connector Note: Use with Adapter Cable FKN8113_ Figure 2-18 Programming/Test Cable J2 Mobile...

  • Page 36: Adapter Cable - Fkn8113

    2-22 12.0 Adapter Cable - FKN8113_ FLAT TX AUDIO SENSITIVITY BUS+ (FOR CPS AND FLASHING) SWITCHED BATTERY VOLTAGE 16-pin Female 20-pin Male To Radio To Prog/Test Accessory Cable Connector RKN4083_ SPEAKER - EXTERNAL MIC EXT. PTT SPEAKER + Viewed from Front (pin end) of Connector Figure 2-20 Pin Configuration of FKN8113...

  • Page 37: Transceiver Performance Testing

    TRANSCEIVER PERFORMANCE TESTING General These radios meet published specifications through their manufacturing process by utilizing high- accuracy laboratory-quality test equipment. The recommended field service equipment approaches the accuracy of the manufacturing equipment with few exceptions. This accuracy must be maintained in compliance with the manufacturer’s recommended calibration schedule. Setup Supply voltage is provided using a power supply (13.8 Vdc for low power models, 13.6 Vdc for high power models).

  • Page 38: Rf Test Mode

    RF Test Mode When the radio is operating in its normal environment, it is not possible to test all individual aspects of the transmitter and receiver performance. Therefore a special “test mode” is used to allow the service technician to perform certain functional tests on the product. A control head fuctional test mode is also available.
  • Page 39 RF Test Mode Channel Display 1 Low Power TX#1 or #8 8 High Power RX#1 or #8 2 Low Power TX#2 or #9 9 High Power RX#2 or #9 3 Low Power TX#3 or #10 10* High Power RX#3 or #10 4 Low Power TX#4 or #11 11* High Power...
  • Page 40 Table 3-5 Transmitter Performance Checks (Continued) Test Name Communications Analyzer Voice Mode: PWR MON Modulation 4th channel test frequency* atten to -70, input to RF In/ Out Monitor: DVM, AC Volts Set 1kHz Mod Out level for 800mVrms at test set, 800mVrms at AC/DC test set jack Voice...
  • Page 41 RF Test Mode Test Name Communications Analyzer Reference Mode: PWR MON Frequency 4th channel test frequency* Monitor: Frequency error Input at RF In/Out Rated Audio Mode: GEN Output level: 1.0mV RF 4th channel test frequency* Mod: 1kHz tone at 3kHz deviation Monitor: DVM: AC Volts Distortion As above, except to distortion...
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  • Page 43: Radio Tuning And Programming

    Introduction This chapter provides an overview of the Customer Programming Software (CPS) and tuner program designed for use in a Windows 98/ME/NT/2000 environment. NOTE Refer to the CPS on-line help files for programming procedures. Table 4-1 Software Installation Kits Radio Tuning Setup CPS Programming/Flashing Setup with RIB The CPS programming setup, shown in Figure 4-1 is used to program and flash the radio using the Radio front Telco connector.

  • Page 44: Cps Programming/Flashing Setup Ribless

    CPS Programming/Flashing Setup Ribless The CPS programming setup, shown in Figure 4-2 is used to program and flash the radio using the Radio front Telco connector. 8-pin Telco FKN8096 Data =Programming FKN8096 Boot = Flashing 10-pin Telco Figure 4-2 CPS Programming/Flashing Setup Cable with Internal RIB CPS Programming Setup with RIB (with Telco Connector) The CPS programming setup, shown in Figure 4-3 is used to program the radio using the Radio front Telco connector.

  • Page 45: Cps Programming Setup With Rib (Accessory Connector)

    CPS Programming Setup with RIB (Accessory Connector) CPS Programming Setup with RIB (Accessory Connector) The CPS programming setup, shown in Figure 4-4 is used to program the radio using the Radio rear accessory connector. Adapter Cable FKN8113 Programming/Test Cable RKN4083 Figure 4-4 CPS Programming Setup Cable with RIB and Rear Adapter Cable CPS Programming Setup with RIB The CPS programming setup, shown in Figure 4-5 is used to program the radio using the Radio rear...

  • Page 46: Radio Tuning Setup

    Radio Tuning Setup A personal computer (PC), Windows 95/98/NT and a tuner program are required to tune the radio. To perform the tuning procedures, the radio must be connected to the PC, radio interface box (RIB), and test equipment setup as shown in Figure 4-6. ELM Adapter cable FKN8113 Figure 4-6 Radio Tuning Test Equipment Setup with External RIB...

  • Page 47: Chapter 5 Power Up Self-Test

    Error Codes Turning on the radio starts a self-test routine that checks the RAM, ROM checksum, EEPROM hardware, and EEPROM checksum. If these checks are successful, the radio generates two high- pitched self-test pass tones. If the self-test is not successful, one low-pitched tone is heard. Radios with displays are able to display the error codes.
  • Page 48 POWER UP SELF-TEST THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 49: Chapter 6 Accessories & Connector Pin Functions

    ACCESSORIES & CONNECTOR PIN FUNCTIONS Accessories To order, refer to Chapter 1 (paragraph 3.0 - ‘Replacement Parts Ordering’) of this manual. Antennas HAD4006_ HAD4007_ HAD4008_ HAD4009_ RAD4000_ HAD4014_ HAE4002_ HAE4003_ HAE4004 HAE4010_ HAE4011_ RAE4004_RB RAE4004_MB TAE6053_ 136 - 144 MHz, 1/4 Wave Roof Mount 144 - 150.8 MHz, 1/4 Wave Roof Mount 150.8 - 162 MHz, 1/4 Wave Roof Mount 162 - 174 MHz, 1/4 Wave Roof Mount...

  • Page 50: Audio

    Audio HMN3596_ HMN1035_ RMN5029_ RMN5018_ RMN5019_ AAREX4617_ GMMN4065_ AARMN4027_ RSN4001_ HSN8145_ HLN9073_ HLN9414_ Alarms and Accessories RLN4856_ RLN4857_ RLN4858_ RLN4836_ HLN9328_ GLN7282_ ACCESSORIES & CONNECTOR PIN FUNCTIONS Compact Palm Microphone (Std. Mic) Heavy Duty Microphone Enhanced Keypad Microphone Mag One Microphone (Low Cost) (6 months warranty only) Mag One Keypad Microphone (Low Cost) (6 months warranty only) Telephone Style Handset Kit Visor Microphone (Omni Direction)

  • Page 51: Control Station

    Accessories Control Station HPN4002_ HPN4001_ HMN3000_ RLN5390_ RLN5391_ RLN5492 RLN5493 Public Address RLN5288_ HKN9324_R HSN1000_R Cables HKN9327_R HKN4137_ HKN4191_ Mounting GLN7324_ GLN7317_ FTN6083_ HLN8097_ HLN9227_ RLN4779_ Desktop Power Supply 1-25 W Desktop Power Supply 25-60 W Black Desk Microphone Desktop Tray with Speaker Desktop Tray without Speaker Low Power Control Station Kit (1-25 W) (includes power supply, desktop tray, and desk mic)

  • Page 52: Data - Ces Wireless Technologies

    Data - CES Wireless Technologies RDN7364_ RDN7367_ RDN7368_ RDN7369_ RDN7370_ RDN7376_ RDN7372_ RDN7373_ RDN7374_ RDN7380_ RDN7375_ RDN7377_ RDN7378_ RDN7371_ RDN7738_ RDN7739_ RDN7740_ Peripherals HLN3948 HLN3333 ACCESSORIES & CONNECTOR PIN FUNCTIONS Base Modem Mobile Display Terminal with GPS Mobile Display Terminal Stand Alone Modem with GPS Interface Cable, 3 ft Interface Cable, 15 ft...

  • Page 53: Accessory Connector Pin Function

    Accessory Connector Pin Function Accessory Connector Pin Function Function External Speaker (-) External Mic Audio External Mic PTT Programmable Output Flat_TX_Audio Input Ground Programmable I/O Emergency Input Ignition Sense Receive Audio Output Programmable I/O Switched B+ Programmable I/O Internal Speaker External Speaker (+) Connect external 8 or 4 ohms speaker to pin 1 and 16.

  • Page 54: Microphone Connector Pin Function

    Microphone Connector Pin Function Function 9.3V Boot/DTMF Keypad Column Hook Ground Mic. Audio THIS PAGE INTENTIONALLY LEFT BLANK Mic. PTT SCI/DTMF Keypad Row Handset Rx Audio ACCESSORIES & CONNECTOR PIN FUNCTIONS Regulated 9.3V Supply (50mA max.) This pin function depends on the voltage applied to pin 3 (See pin 3, Hook description).

  • Page 55: Chapter 7 Model Chart And Test Specification

    MODEL CHART AND TEST SPECIFICATION Low Power Radios 146-174 MHz CM200/CM300/PM400 Model Chart VHF2, 1-25 W, 146-174 MHz Model AAM50KNC9AA1AN AAM50KNF9AA1AN AAM50KNF9AA3AN Item PMUD1871_ PMUD1873_ PMUD1904_ FLD1933_ PMUD1882_ PMUD1882_ PMLN4598_ PMLN4599_ FLN3108_AN FLD1933_S PMUD1882_S PMUD1882_S 6902966C30 6881096C22 6881096C32 HKLN4220 HKLN4219 x = Indicates one of each is required.

  • Page 56: Mhz Cm200/Cm300/Pm400 Model Chart

    438-370 MHz CM200/CM300/PM400 Model Chart UHF2, 1-25 W, 438-470 MHz Model AAM50RNC9AA1A AAM50RNF9AA1AN AAN50RNF9AA3AN Item PMUE1996_ PMUE1998_ PMUE2090_ FLE1620_ PMUE2026_ PMUE2026_ PMLN4598_ PMLN4599_ FLN3108_AN FLE1620_S PMUE2026_S PMUE2026_S 6902966C30 6881096C22 6881096C32 HKLN4220 HKLN4219 x = Indicates one of each is required. MODEL CHART AND TEST SPECIFICATION Description CM200 438-470 MHz, 1-25 W, 4 CH...

  • Page 57: Specifications

    Low Power Radios Specifications Specification Frequency Range: Frequency Stability (-30°C to +60°C, 25°C Ref.) Channel Capacity: Channel Spacing: Power Supply: Dimensions (L x W x H) Weight FCC Description Operating Temperature Storage Temperature Thermal Shock High Humidity Packing Test General VHF2 146-174 MHz ±2.5 PPM...
  • Page 58 Specification Power Output Conducted/Radiated Emissions: Audio Response: (from 6 dB/oct. Pre-Emphasis, 300 to 3000Hz) Tx Audio Distortion Modulation Limiting: FM Hum and Noise: Specification Sensitivity (12 dB SINAD): Intermodulation: Adjacent Channel Selectivity: Spurious Response Rated Audio Power Audio Distortion Hum and Noise: Audio Response Conducted Spurious Emission per FCC Part 15:...

  • Page 59: High Power Radios

    High Power Radios High Power Radios 136-162 MHz CM300 Model Chart VHF1, 25-45 W, 136-162 MHz Model AAM50JQF9AA1AN Item PMUD1946_ PMUD1962_ PMLN4599_ PMUD1962_S 6881096C22 HKLN4220 x = Indicates one of each is required. 146-174 MHz CM200/CM300/PM400 Model Chart VHF2, 25-45 W, 146-174 MHz Model AAM50KQC9AA1AN AAM50KQF9AA1AN...
  • Page 60 438-470 MHz CM200/CM300/PM400 Model Chart UHF2, 25-40 W, 438-470 MHz Model AAM50RPC9AA1A AAM50RPF9AA1AN AAM50RPF9AA3AN Item PMUE2007_ PMUE2010_ PMUE2091_ PMUE2032_ PMUE2034_ PMUE2034_ PMLN4598_ PMLN4599_ FLN3108_AN PMUE2032_S PMUE2034_S PMUE2034_S 6902966C30 6881096C22 6881096C32 HKLN4220 HKLN4219 x = Indicates one of each is required. MODEL CHART AND TEST SPECIFICATION Description CM200 438-470 MHz, 25-40 W, 4 CH...

  • Page 61: Mhz Pm400 Model Chart

    High Power Radios 465-495 MHz PM400 Model Chart UHF3, 25-40 W 465-495 MHz Model AAM50SPF9AA3AN Item PMUE2092_ PMUE2038_ FLN3108_AN PMUE2038_S 6881096C32 HKLN4219 x = Indicates one of each is required. Description PM400 465-495 MHz, 25-40 W, 64 CH Description PM400 Super Tanapa UHF3, 25-40 W, 64 CH PM400 Tanapa UHF3,25- 40 W, 64 CH Control Head PM400 UHF3 Service Board...

  • Page 62: Specifications

    Specifications Specification Frequency Range: Frequency Stability (-30°C to +60°C, 25°C Ref.) Channel Capacity: Channel Spacing: Power Supply: Dimensions (L x W x H) Weight FCC Description Operating Temperature Storage Temperature Thermal Shock High Humidity Packing Test General VHF1 VHF2 136-162 MHz 146-174 MHz CM300 - 32 13.6 Vdc (10.88 Vdc - 16.32 Vdc) negative Vehicle ground...
  • Page 63 High Power Radios Specification Power Output Conducted/Radiated Emissions: Audio Response: (from 6 dB/oct. Pre-Emphasis, 300 to 3000Hz) Tx Audio Distortion Modulation Limiting: FM Hum and Noise: Specification Sensitivity (12 dB SINAD): Intermodulation: Adjacent Channel Selectivity: Spurious Response Rated Audio Power Audio Distortion Hum and Noise: Audio Response...

  • Page 64: Mil Standards

    7-10 MIL Standards MIL STDS 810 C, D, and E: Applicable to UHF and VHF Specifications (8.2 and 8.4) Military Standards 810 C, D, & E: Parameters/Methods/Procedures Applicable Methods MIL-STD Temperature Shock 503.1 Solar Radiation 505.1 Rain 506.1 Salt Fog 509.1 Dust 510.1...

  • Page 65: Glossary

    Glossary GLOSSARY Glossary of Terms Term Automatic Level Control: a circuit in the transmit RF path that controls RF power amplifier output, provides leveling over frequency and voltage, and pro- tects against high VSWR (Voltage Standing Wave Ratio). ASF IC Audio Signalling Filter Integrated Circuit with voice compander.
  • Page 66 G-ii Outbound Signalling Word: data transmitted on the control channel from the central controller to the subscriber unit. PC Board Printed Circuit Board Private-Line® tone squelch: a continuous sub-audible tone that is transmitted along with the carrier. Phase-Locked Loop: a circuit in which an oscillator is kept in phase with a refer- ence, usually after passing through a frequency divider.
  • Page 67 Glossary Ultra High Frequency µP Microprocessor Voltage-Controlled Oscillator: an oscillator whereby the frequency of oscillation can be varied by changing a control voltage. VCOBIC Voltage-Controlled Oscillator Buffer Integrated Circuit Very High Frequency VSWR Voltage Standing Wave Ratio G-iii...
  • Page 68 G-iv Glossary THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 70 MOTOROLA, the Stylized M Logo, and Radius are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © 2004 Motorola, Inc. All rights reserved. Printed in U.S.A. *6802966C15* 6802966C15-A...

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