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Northern Airborne Technology Ltd.

1925 Kirschner Road

Kelowna, BC, Canada.

V1Y 4N7

Telephone (250) 763-2232

Facsimile (250) 762-3374

Issued on the authority of Northern Airborne Technology Ltd.

Installation and Operation Manual

AA34 Series

Universal Radio Interface

SM36

ISSUE 4.02

Содержание AA34-200

Страница 1: ...hner Road Kelowna BC Canada V1Y 4N7 Telephone 250 763 2232 Facsimile 250 762 3374 Issued on the authority of Northern Airborne Technology Ltd Copyright 2003 Installation and Operation Manual AA34 Series Universal Radio Interface SM36 ISSUE 4 02 ...

Страница 2: ...ntrolled by issue shown on the title page The status of each section is controlled by revision shown in the footer of each page All revisions affecting sections of this manual have been incorporated into the latest issue ISSUE REVISION RECORD Manual Issue Number Section Revision Number Revision Description Issue Date 4 02 Section 2 Rev 1 01 MOD 5 WED Label Change May 21 2010 4 01 Section 1 Rev 1 0...

Страница 3: ...mental Specifications 1 2 1 4 4 Product Approval 1 2 1 5 Unit Nomenclature 1 3 2 Installation 2 1 Introduction 2 1 2 2 Unpacking and Inspection 2 1 2 2 1 Warranty 2 1 2 3 Continued Airworthiness 2 1 2 4 Installation Procedures 2 1 2 4 1 Warnings 2 2 2 4 2 Cautions 2 2 2 4 3 Cabling and Wiring 2 2 2 4 4 Post Installation Checks 2 3 2 5 Adjustments and Connections 2 3 2 5 1 External Adjustments 2 3 ...

Страница 4: ...e will handle the interface and switching requirements of mobile or CB radio systems when integrated into an aircraft audio system 1 3 Design Features The AA34 Universal Radio Interface units provide microphone excitation relay keying and sidetone generation all fully isolated from airframe ground 1 4 Specifications 1 4 1 Electrical Specifications Input Power 13 8 Vdc 10 or 27 5 Vdc 10 Selected by...

Страница 5: ...sh Connectors AA34 200 25 pin male D sub AA34 300 301 25 pin male filtered D sub 1 4 3 Environmental Specifications Temperature 20 C to 55 C Operating 55 C to 85 C Survival Altitude AA34 200 15 000 ft tested to 25 000 ft AA34 300 301 35 000 ft Humidity 95 non condensing Shock 6g any axis Vibration AA34 300 RTCA DO 160C categories B M N Qualification of the AA34 300 Universal Radio Interface was co...

Страница 6: ...lectable functions and levels AA34 300 Mobile FM radio interface Provides floating key lines Internal RX Sidetone and Microphone Amplifiers Provides floating audio lines in and out Internal mic exciter with adjustable output Internally selectable functions and levels Designed to meet the requirements of TSO C50c AA34 301 Mobile FM radio interface Provides floating key lines Internal RX Sidetone Am...

Страница 7: ... from Northern Airborne Technology Ltd or its designated warranty repair center or any labour to remove or re install the defective unit in the aircraft Contact Northern Airborne Technology Ltd for any questions regarding this warranty its applicability to your units and or for return authorization Northern Airborne Technology Ltd is the final arbitrator concerning warranty administration Units wh...

Страница 8: ...hange 1 Paragraphs 11 85 11 86 and listed in Table 11 11 For shielded wire applications use Tefzel MIL C 27500 shielded wire with solder sleeves for shield terminations to make the most compact and easily terminated interconnect Follow the interconnect drawing in Section 2 7 as required Allow 3 from the end of the shielded wiring to the shield termination to allow the connector hood to be easily i...

Страница 9: ...anual supplied with the mobile radio for specific operation details a To verify proper operation all functions and levels shall be checked in flight b Check preset adjustments are completed before aircraft departure Upon satisfactory completion of all performance checks make all required log book entries electrical load weight and balance amendments and other documentation as required by your loca...

Страница 10: ... path from input to output The C2 default position switches in the amplifier AA34 200 only AA34 300 and 301 only The C1 C2 switch on the AA34 200 units is a rocker switch with the C1 position to the rear of the access hole and the C2 position at the front The C1 C2 switch on the AA34 300 and 301 units is a slide switch with the C1 position to the left of the access hole and the C2 position to the ...

Страница 11: ...ic Output Jumper RX Level Adjustment OPEN S1 S2 C1 C2 2 5 2 1 30 200 mV Mic Output Level Adjustment Remove the cover from the AA34 200 and locate the Mic Output jumper When the jumper is connected across pins A and B the unit level is set at 200 mV When connected across B and C the unit level is set to 30 mV The default setting is A B 2 5 2 2 RX Gain Adjustment Remove the cover from the AA34 200 a...

Страница 12: ... Adjustment Mic Output Level Adjustment Mic Output Jumper S1 S2 2 5 3 1 8 600 Ω Audio Output Impedance Adjustment Remove the cover from the AA34 and locate the 8 600 Ω adjustment jumper JP2 When the jumper is connected across pins A and B the unit is set to operate with an 8 Ω load connected When connected across B and C the unit is set to operate with a 600 Ω load connected The default setting is...

Страница 13: ...ced document DOCUMENT REV DESCRIPTION TYPE SERIAL MOD NO AA34 200 AA34 200 403 0 1 03 Universal Radio Interface Interconnect All AA34 200 405 0 1 02 Universal Radio Interface Connector Map All AA34 200 922 0 1 02 Universal Radio Interface Mechanical Installation All AA34 300 AA34 300 403 0 1 00 Universal Radio Interface Interconnect All AA34 300 405 0 1 00 Universal Radio Interface Connector Map A...

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Страница 19: ...ature Operating Low Temperature Ground Survival High Temperature Short Time Operating High Temp Operating High Temperature In flight Loss of Cooling 4 5 1 4 5 1 4 5 2 4 5 2 4 5 3 4 5 4 55 C 20 C 85 C 70 C 55 C N A No forced air cooling Altitude 4 6 1 35 000 ft 10 668 m Temperature Variation 5 0 Category B Humidity 6 0 Category A Operational Shocks and Crash Safety Operational Shocks Crash Safety 7...

Страница 20: ...System Operation per DO 160C subparagraph 16 5 2 1 b 3 Voltage Spike 17 0 Category A Audio Frequency Susceptibility 18 0 Category B Induced Signal Susceptibility 19 0 Category A Radio Frequency Susceptibility 20 0 Change No 3 Category T Radio Frequency Emission 21 0 Category A Lightning Induced Transient Susceptibility 22 0 Category X no test performed Lightning Direct Effects test 23 0 Category X...

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Страница 28: ...nd operational procedures for the AA34 Universal Radio Interface 3 2 General Information The AA34 Universal Radio Interface will handle the interface and switching requirements of mobile or CB radio systems when integrated into an aircraft audio system The AA34 Universal Radio Interface has no operator accessible controls During installation it may be determined that internal level adjustments are...

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