Furuno FS-2570 - Chapter 1 General

Pub. No.: SB-2241
Date : November 1, 2002
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***** CONTENTS *****
1 GENERAL INFORMATION................................................................................................3
1.1 Specifications...............................................................................................................3
1.2 List of Test Equipment Used .......................................................................................4
2 IDENTIFICATION OF EQUIPMENT (FCC Rule Part 2.925) ...........................................6
3 TEST DATA........................................................................................................................7
3.1 RF POWER OUTPUT (FCC Rules Part 80.215 & 2.1046) .......................................7
3.2 MODULATION CHARACTERISTICS (FCC Rule Part 2.1047) .............................10
3.2.1 Audio Frequency Response (FCC Rules Part 2.1047 (a) & 80.213)..............10
3.2.2 Power Limiting vs. Audio Input Voltage (FCC Rule Part 2.1047).....................12
3.3 OCCUPIED BANDWIDTH (FCC Rule Part 2.1049)................................................14
3.4 EMISSION LIMITATIONS (FCC Rule Part 80.211) ................................................26
3.5 SPURIOUS EMISSIONS AT ANTENNA TERMINAL (FCC Rule Part 2.1051)......27
3.6 FIELD STRENGTH OF SPURIOUS RADIATION (FCC Rule Part 2.1053) ...........40
3.7 FREQUENCY STABILITY (FCC Rule Part 2.1055).................................................46
3.8 SUPPRESSION OF INTERFERENCE FROM RECEIVER (FCC Rules Part
80.217 and 2.1051)....................................................................................................54
4 TRANSMITTER POWER ADJUSTMENT PROCEDURE (FCC Rule part 2.1033) ......55
5 PHOTOGRAPHS TO REVEAL EQUIPMENT CONSTRUCTION AND LAYOUT
(FCC Rule Part 2.1033)....................................................................................................56
6 DESCRIPTION OF CIRCUITRY AND DEVICES (FCC Rule Part 2.1033)...................57
6.1 Function of Each Semiconductor or Active Device.....................................................57
6.2 Description of the circuits employed for suppression of spurious radiation, for
limiting or shaping the control pulse, and for limiting or controlling power...................65
7 Operator
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s Manual incl. Circuit Diagrams (FCC Rule Part 2.1033)................................66