HP 9800 UHF 984x SPECIFICATIONS

GENERAL INFORMATION

UHF 984x SPECIFICATIONS

The following are general specifications intended for use in testing and servicing this transceiver. For current advertised specifications, refer to the specification sheet available from your sales representative. Specifications are subject to change without notice.

	GENERAL
Frequency Range	430-470 MHz and 470-512 MHz
Operating Modes	LTR (trunked) and Conventional (non-trunked)
Systems and Groups Selectable	Low Tier: Up to 16 system/group combinations
	High Tier: Variable from 100 1-group systems up to 40 16-group systems
Mounting Location	Dash (low tier), Dash or Remote (high tier)
Transmit/Receive Separation	Any frequency within the range
Channel Spacing	12.5 kHz (2.5 kHz maximum deviation)
	25 kHz (5 kHz maximum deviation)
	(12.5 kHz or dual bandwidth models available)
Frequency Stability	2.0 PPM from –22° to +140° F (–30° to +60° C)
Dimensions	2.1” x 6.0” x 7.5” (HxWxD)
Weight	3.5 lbs (1.59 kg)
Power Requirement	13.6 volts DC nominal, negative ground
Current Drain	300 mA maximum (receive standby)
	1.5 A maximum (receive, rated audio output)
	10.0 A maximum (transmit, 25 W output)
	15.0 A maximum (transmit, 40 W output)
FCC Compliance	Parts 15 and 90
	RECEIVER
Sensitivity (12 dB SINAD)	0.35 µV
Selectivity	–70 dB at 25 kHz, –60 dB at 12.5 kHz
Spurious and Image Rejection	–70 dB
Intermodulation	–70 dB
Hum and Noise	–45 dB at 25 kHz, –40 dB at 12.5 kHz
Maximum Frequency Spread	Any spread within the range
Audio Power Output	5 watts (external 4.7-ohm speaker), 3 watts (internal 8-ohm speaker)
Audio Distortion	Less than 5% at 1 kHz with 60% deviation
Audio Response	+1, –3 dB per octave de-emphasis per standard TIA
RF Input Impedance	50 ohms
	TRANSMITTER
RF Power Output	25W Version - 25 watts (adjustable to 2-25 watts)
	40W Version - 40 watts (adjustable to 10-40 watts)
Spurious and Harmonic Emissions	–70 dB
FM Hum and Noise	–40 dB (25 kHz), –35 dB (12.5 kHz)
Audio Modulation	25 kHz - 16K0F3E (voice) 16K0F1D (data)
Audio Distortion	Less than 3% at 1 kHz with 40% modulation
Audio Frequency Response	6 dB per octave pre-emphasis per standard TIA
Maximum Frequency Spread	Any spread within the band
RF Output Impedance	50 ohms
Duty Cycle	20% standard TIA

	February 2001
1-6	Part No. 001-9800-001

Contents

25 or 40 Watts (UHF); 15 or 30 Watts (800/900 MHz) 13.6 VDC Part No 13.6 VDC 25 or 40 Watts, UHF 15 or 30 Watts, 800/900 MHz Part No. 242-984x-2xx(UHF) Part No. 242-988x-2xx(800 MHz) TABLE OF CONTENTS 1 GENERAL INFORMATION 3 CIRCUIT DESCRIPTION 2 INSTALLATION TABLE OF CONTENTS (CONT’D) 4 SERVICING 5 PARTS LIST 6SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS LIST OF TABLES LIST OF FIGURES SECTION 1 GENERAL INFORMATION 1.3 PART NUMBER BREAKDOWN Table 1-1Part Number Breakdown 1.4 TRANSCEIVER IDENTIFICATION Table 1-2Identification Number Breakdown Type 1.5 ACCESSORIES Table 1-398xx Accessories Accessory Cable Data/Accessory Cable Desktop Accessories 1.6 PRODUCT WARRANTY 1.7 FACTORY CUSTOMER SERVICE 1.8 FACTORY RETURNS 1.9 REPLACEMENT PARTS 1.10 INTERNET HOME PAGE UHF 984x SPECIFICATIONS 800 MHz 988x SPECIFICATIONS 900 MHz 989x SPECIFICATIONS SECTION 2 INSTALLATION 2.2 MOUNTING THE TRANSCEIVER WARNING Item Figure 2-2Remote Mount Installation Components 2.3 POWER CABLE INSTALLATION Figure 2-3Accessory Cable Installation 2.4 ACCESSORY CABLE INSTALLATION Function Figure 2-4Accessory Cable Connector Figure 2-5R170 Location Diagram Sw Bat Out (pin 2) Horn Alert (pin 4) - See Section Ignition Sense (pin 6) - See Section Output D (pin 7) 2.5 REMOTE CONTROL UNIT INSTALLATION Figure 2-6Data Cable Installation (-001Cable Shown) 2.6 USING AN EXTERNAL SPEAKER 2.7 DATA CABLE INSTALLATION CAUTION Table 2-1Data Cable Wire Chart J301 Pin No Wire Color 2.8 KEY CAP KITS EMER F1 F2 F3 SCAN SCAN BKLHT MSG HORN SECTION 3 CIRCUIT DESCRIPTION POWER DISTRIBUTION (ALL MODELS) 3.2 POWER DISTRIBUTION AND SWITCHING Figure 3-1Power Distribution and Switching Figure 3-2Power On-OffControl Circuit AUDIO/LOGIC DESCRIPTION (ALL MODELS) 3.3 AUDIO/LOGIC BOARD DIGITAL CIRCUIT VRH/VRL PE0 PE1 PE2 PE3 PA0 PA1 PA2 PA3 PA4/PA5 3.4 RECEIVE AUDIO/DATA PROCESSING Figure 3-3Audio and Data Processing Circuitry Block Diagram 3.5 TRANSMIT AUDIO/DATA PROCESSING 3.6 DISPLAY BOARD DISPLAY DESCRIPTION 3.7SYNTHESIZER CIRCUIT DESCRIPTION (UHF MODELS) UHF SYNTHESIZER DESCRIPTION 4-3Figure Diagram Block RF Models) (UHF DESCRIPTION SYNTHESIZER UHF DESCRIPTION CIRCUIT Page Page Figure 3-5Synthesizer Chip U804 Block Diagram 3.8RECEIVER CIRCUIT DESCRIPTION (UHF MODELS) UHF RECEIVER DESCRIPTION Figure 3-6Limiter/Detector U201 Block Diagram UHF TRANSMITTER DESCRIPTION 3.9TRANSMITTER CIRCUIT DESCRIPTION (UHF MODELS) Page Page 800/900 MHz SYNTHESIZER DESCRIPTION 3.10SYNTHESIZER CIRCUIT DESCRIPTION (800/900 MHz MODELS) 7-3Figure Models) MHz (800/900 DESCRIPTION SYNTHESIZER MHz 800/900 Normal Mode Talk-AroundMode Page Page Page 800/900 MHz RECEIVER DESCRIPTION 800/900 MHz TRANSMITTER DESCRIPTION 3.12TRANSMITTER CIRCUIT DESCRIPTION (800/900 MHz MODELS) Page Page Page SECTION 4 SERVICING American EIA Standard Japanese EIA Standard (pF) Color Multi Figure 4-1Simplified Synthesizer Block Diagram 4.3 SYNTHESIZER TROUBLESHOOTING Table 4-2SMD Inductor Identification Mode Supply Voltage Output Level Control Voltage VCO RF In (pin 6) Overall Div No. (K) = VCO freq ÷ “A” Divide No “N” Divide No Fractional-NDiv No. = (Fraction K) x 4.4RECEIVER SERVICING SECTION 5 PARTS LIST FRONT PANEL ASSEMBLY AND MECHANICAL PARTS FRONT PANEL ASSEMBLY AND MECHANICAL PARTS (CONT’D) UHF RF AND PA BOARDS UHF RF AND PA BOARDS (CONT ’D) Page Page Page Page Page Page Page Page Page Page Page Page Page 800/900 MHZ RF AND PA BOARDS 800/900 MHz RF AND PA BOARDS (CONT ’D) Page Page Page Page Page AUDIO/LOGIC BOARD (ALL MODELS) AUDIO/LOGIC BOARD (CONT’D) Page Page Page 9800-SERIESRADIO MOUNTING KIT 9800-SERIESREMOTE MOUNTING KIT DC POWER CABLE AND HARDWARE KIT PART NO. 023-9800-410(10 Ft) PART NO. 023-9800-422(22 Ft) FRONT PANEL EXPLODED VIEW FRONT AND TOP MECHANICAL PARTS BOTTOM MECHANICAL PARTS REMOTE TRANSCEIVER MECHANICAL PARTS REMOTE CONTROL UNIT MECHANICAL PARTS SECTION 6 SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS TRANSISTOR AND DIODE BASING DIAGRAMS Page Page CAUTION: INTERFACE BOARD LAYOUT INTERCONNECT SCHEMATIC DISPLAY BOARD TOP VIEW DISPLAY BOARD BOTTOM VIEW PROGRAMMING CABLE (P.N. 597-2002-200) RPI (P.N. 023-9800-000)BOARD LAYOUT RPI (P.N. 023-9800-000)SCHEMATIC RF BOARD COMPONENT LOCATOR GUIDE (UHF) UHF RF BOARD COMPONENT LOCATOR GUIDE (CONT’D) ’D) RF BOARD COMPONENT LOCATOR GUIDE (800/900 MHZ) Page Page Page Page RF BOARD SCHEMATIC (REVISED 430-470MHZ) PA BOARD SCHEMATIC (25W, 430-470MHZ)