Ericsson LBI-38756 manual LBI-38652, General, Transmitter, Receiver

LBI-38652 LBI-38652

TABLE OF CONTENTS
	Page
SPECIFICATIONS	1
PACKAGE NUMBERS	2
OPTIONS	2
INTRODUCTION	2
RADIO DESCRIPTION	2
MAIN BOARD ASSEMBLY	2
FRONT PANEL ASSEMBLY	4
POWER AMPLIFIER ASSEMBLY	4
FEATURES	4
PC PROGRAMMABLE	4
EXTERNAL SPEAKER (Optional)	5
BATTERY POWER	5
EASY ACCESSIBILITY	5
SERVICE AIDS	5
DETAILED TYPE 99 OPERATION AND PROGRAMMING	5
GE TYPE 99 FORMAT	6
MOTOROLA FORMAT	6
MECHANICAL PARTS BREAKDOWN	8
MECHANICAL PARTS LIST	9
FIGURES
Figure 1 - MDS Conventional Radio Block Diagram	3
TABLES
Table 1 - Channel Guard Tone Frequencies	5
Table 2 - Primary and Equivalent Digital Codes (OCTAL)	5
Table 3 - Tone Groups	6
Table 4 - Tone Generator Frequencies	6
Table 5 - Motorola Type Coder Numbers	6
Table 6 - Motorola Group Call Tone Groups (TG)	7
Table 7 - Motorola Group Call Tone Groups (TG)	7
Copyright © April 1992, Ericsson GE Mobile Communications, Inc.

SPECIFICATIONS

GENERAL
Frequency Range	Transmit:	148-174 MHz
	Receive: Same as Transmit
Channel Spacing	25 kHz
Frequency Stability	±5.0 ppm
Operating Temperature Range	-30 to +60°C
Battery Voltage	13.6 volts ± 10% (meets specs)
		± 20% (operational)
Radio Current Drain	OFF:	0.01 amps
	Rx Squelched: 0.9 amps
	RxOn:	1.5 amps
	Tx On:	10.0 amps
Size	170mm W x 216mm L x 53mm H
TRANSMITTER
Tx Two Frequency Spread	26 MHz
RF Power Output	40 watts (+ 146 dBm, Adjustable 20 to 40 watts)
Maximum Deviation	±5% kHz peak
Tx Duty Cycle	20% Intermittent (EIA)
FM Hum and Noise (EIA)	-45 dBc maximum
Audio Distortion	5% @ 300 Hz, 3% @ 1kHz, 5% @ 3kHz
RF Load Impedance	50 ohms
Audio Sensitivity	80 mV ±3 dB
Audio Frequency Response	Within + 1 ,-3 dB of a 6db/octave pre-emphasis,
	300-3000 Hz (EIA)
Spurious Emissions
Conducted	-16.5 dBm max (Meets DOC & FCC)
Radiated	-13 dBm max (FCC)
RECEIVER
Receiver coverage	148-174 MHz
Factory Tuned	150-168 MHz
Rx Two Freq Spread	18 MHz (No degradation)
Channel Spacing	25/30 kHz
Sensitivity (12 dB SINAD)	-117 dBm (.30 μV)

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