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VHF-Transceiver
AR 3201 - ( )
Installation and Operation
Manual DV 28110.03
Issue 1 April 1992
BECKER FLUGFUNKWERK GMBH · · Baden Airpark · · B 108
D-77836 Rheinmünster · · Telephon +49 (0) 7229 / 305-0
E-Mail info@ becker-avionics.de or support@becker-avionics.de
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FIRST ISSUE AND CHANGES Issue . . . . . 1 . . . . . April 1992 LIST OF EFFECTIVE PAGES Page No.: Issue : Page No.: Issue : Title 04/92 1-I - 1-II 04/92 1-1 - 1-8 04/92 2-I - 2-II 04/92 2-1 - 2-8 04/92 3-I - 3-II 04/92 3-1 - 3-6 04/92 8-I - 8-II 04/92 Annex 1 to 27 04/92 Copyright by Becker Flugfunkwerk, All rights reserved
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AR 3201 - ( ) Table of contents Section 1 GENERAL INFORMATION Page 1.1 Introduction 1-1 1.2 Purpose of equipment 1-1 1.3 General description 1-2 1.4 Variants survey 1-3 1.5 Specifications 1-5 1.5.1 General data Transceiver 1-5 1.5.2 Receiver specifications 1-5 1.5.3 Transmitter specifications 1-6 1.5.4 Optional functions 1-7 1.6 Certification 1-7 1.7 Accessories 1-7 1.8 Scope of delivery 1-8 1.9 Software 1-8 DV 28110.03/.04 Issue 04/92 1-I
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AR 3201 - ( ) Blank 1-II DV 28110.03/.04 Issue 04/92
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AR 3201 - ( ) Section 1 GENERAL INFORMATION 1.1 Introduction The following Handbooks describe the VHF-communications transceiver AR 3201 - ( ). The Handbooks DV 28110.03 (,, Installation and Operation ‘‘) and DV 28110.04 (,,Maintenance and Repair‘‘) contain the following sections : Section DV 28110.03 DV 28110.04 1 General Information X X 2 Installation X X 3 Operation X X 4 Theory of Operation X 5 Maintenance and Repair X 6 Illustrated Parts List X 7 Modification and Changes X 8 Circuit Diagram
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AR 3201 - ( ) rigid fuselage mounting in all aircraft. The VHF transceiver is designed for compliance with RTCA and EUROCAE airworthiness requirements. 1.3 General description The VHF transceiver is designed as a single-block unit with dimensions in keeping with 58 mm diameter standard instrument size. Mounting is by means of four screws (behind-panel fitting). AII controls and indicators are located on the front panel. The rear panel locates the connector for connecting the transceiver to aircr
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AR 3201 - ( ) The transceiver also contains a stage for monitoring the aircraft supply voltage. This stage is ON as soon as the transceiver is switched on. Should the aircraft supply voltage drop to 11 V - 10.5 V, the readout will commence flashing. For operation on an 28 V aircraft system a voltage regulator (VR 2011 ) is necessary. In aircraft with no power circuit (gliders) the battery box (BK 5) is provided. When using the emergency power unit EPU 400 the transceiver can be continued to be o
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AR 3201 - ( ) Transceiver AR 3201-( ) Drawing No./ Type Voltage Tamperature Temperature 760 720 Order No measurement measurement measurement channel channel in deg Celsius in deg. Fahrenheit 28110-00000.000 AR 3201-( ) no no no yes 389.528-910 28111 -00000.000 AR 3201-(1) yes yes no yes 397.156-910 28112-00000.000 AR 3201-(2) yes no yes yes 397.164-910 28113-00000.000 AR 3201-(3) no yes no yes 397.172-910 two different temperatures 28114-00000.000 AR 3201-(4) no no yes yes 397.180-910 two
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AR 3201 - ( ) 1.5 Specifications 1.5.1 General data Transceiver Operating voltage 12,4 V . . . 15,1 V Emergency operation (10,0 V) Intelligible communication Current consumption 14 V without Panel illumination Receive ,, stand by ‘‘ typ. 70 mA Receive ,, stand by ‘‘ with auxiliary input typ. 90 mA Transmit typ. 1 .8 A Panel illumination 13,8 V / 40 mA DC Fuse 5A Operating temperature range D1 - 20° . . .+ 55°C, Env. Cat. RTCA DO - 160A shorttime temperature + 70°C Altitude max. D1 50000 ft Env
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AR 3201 - ( ) Squelch fixed in unit, defeatable with squelch switch AGC characteristic from 5μV . . . 100 mV emf ≤ 6 dB -10 Undesired radiation ≤ 4 x 10 watt Distortion / m = 85% ≤ 10 % Frequency response audio channel relative to 1000 Hz / 0 dB ≤ 6 dB 350 Hz . . . 2500 Hz ≥ 18 dB at 5000 Hz Intermediate frequency 21.4 MHz Rated audio output Speaker at 13.8 V operating voltage ≥ 2.5 watt into 4 Ω typ. 3 watt at 10.0 V operating voltage ≥ 1.5 watt into 4 Ω Headphone at 13.8 V operating voltage ≥
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AR 3201 - ( ) Frequency response ≤ 6 dB 350 Hz . . . 2500 Hz Distortion / m = 85% / 1000 Hz ≤ 10% m = 85% / 350 - 1000 Hz ≤ 20% Carrier noise level ≥ 35 dB 1.5.4 Optional functions Digital voltmeter (operating voltage indication) 7 V . . . 35 V DC ± 0.1 V Ditial thermometer - 20°C . . . +100°C Temperature sensor Linear tolerance ± 1,5°C NOTE The VHF transceiver is designed for the frequency range 118 to 137 MHz. The frequency range between 136 MHz and 137 MHz may not be used for mobile aircraft
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AR 3201 - ( ) When the transceiver incorporates the temperature or voltage measurement option, the following items are required : 1 Cable connector complete Order No. 431.036-950 Detail parts 1 Cable connector plug for option Order No. 710.687-277 Temperature sensor - 65°C . . . 150°C Order No. 431.044-955 Bounceless pushbuttons Order No. 724.742-278 1.8 Scope of delivery Screw block Order No. 472.875-203 Spring washer Order No. 213.126-213 1.9 Software Frequency synthesizer, frequency sto
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AR 3201 - ( ) Table of contents Section 2 INSTALLATION Page 2.1 General 2-1 2.2 Pre-instailation check 2-1 2.2.1 General 2-1 2.2.2 Visual inspection 2-1 2.3 Mechanical installation 2-1 2.3.1 Mechanical installation VHF transceiver 2-1 2.3.2 Mechanical installation of a temperature sensor 2-1 2.4 Installation wiring 2-2 2.4.1 General 2-2 2.4.2 Microphone connection 2-2 2.4.3 Speaker/headphones connection 2-3 2.4.4 IC connection 2-3 2.4.5 Panel lighting 2-3 2.5 Auxiliary audio input (optional) (st
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AR 3201 - ( ) Blank 2-II DV 28110.03/.04 Issue 04/92
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AR 3201 - ( ) Section 2 INSTALLATION 2.1 General Installation of the VHF communication transceiver and the battery box depends on the type of aircraft and equipment involved, the instructions given in this section thus being only generally applicable. 2.2 Pre-instailation check 2.2.1 General Prior to fitting the new system in the aircraft, the units must be checked according to the following procedure to establish whether they have been damaged in transit. 2.2.2 Visual inspection Prior to commis
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AR 3201 - ( ) The temperature measuring circuit in the VHF transceiver and the temperature sensor are calibrated in the factory together for optimum temperature measuring accuracy. Should the device or the temperature sensor develop a fault or should the transceiver need replacing, the device will need recalibrating according to the instructions as given in Section 5, Item 5.7. 2.4 Installation wiring 2.4.1 General Fig. 2-5 illustrates the installation wiring of the VHF transceiver. In wiring th
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AR 3201 - ( ) View showing components side of audio module Standard Mike Dyn. Mike Fig. 2-1 Jumpers location for charging the microphone input from dynamic to standard microphone 2.4.3 Speaker/headphones connection The audio output of the transceiver is compatible with a 4Ω speaker or headphone with an impedance of 300Ω - 600Ω or both in parallel without having to switch the transceiver over. CAUTION The magnetic field of the speaker will affect the compass, therefore, minimum spacing between
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AR 3201 - ( ) Fig. 2-2 Panel connection 2.5 Auxiliary audio input (optional) (standard as of module No. 471) The auxiliary audio input permits audio input from other equipment in the aircraft. This input can only be heard, however, in the RX mode. The possibility of circuiting two units together finds application in aircraft having, for instance, only one transceiver and one NAV receiver. When using the auxiliary audio input, a 680Ω resistor must be switched to GND. When circuiting units toget
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AR 3201 - ( ) Fig. 2-4 Dimensions of VHF transceiver DV 28110.03/.04 Issue 04/92 Page 2-5
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AR 3201 - ( ) Fig. 2-5 Aircraft wiring Page 2-6 DV 28110.03/.04 Issue 04/92
