Codan Radio Communications AMP-2-450 AMP2-450-30 User Manual AMP 2450 UHF Gen indd

Codan Radio Communications AMP2-450-30 AMP 2450 UHF Gen indd

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Document Number:Revision:Revision Date:Daniels Electronics Ltd.Victoria, BCPRINTED IN CANADAUHF AMP-2 30 W POWER AMPLIFIER INSTRUCTION MANUAL406 - 470 MHZCovers Models:AMP-2/450-30IM71-AMP2450-305-1-0Jan 2005Copyright © 2004 Daniels Electronics Ltd. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written consent of Daniels Electronics Ltd.DE™ is a registered trademark of Daniels Electronic Ltd. registered in the U.S. Patent and Trademark Ofﬁce.

UHF AMP-2 30 W Power Ampliﬁer Instruction ManualIM71-AMP2450-30iiThis document has been produced, veriﬁed and controlled in accordance with Daniels Electronics’ Quality Management System requirements.Please report any errors or problems to Daniels Electronics’ Customer Service Department.The user’s authority to operate this equipment could be revoked through any changes or modiﬁcations not expressly approved by Daniels Electronics Ltd.The design of this equipment is subject to change due to continuous development. This equipment may incorporate minor changes in detail from the information contained in this manual.DOCUMENT CONTROLNOTEDaniels Electronics Ltd. utilizes a three-level revision system. This system enables Daniels to identify the signiﬁcance of a revision. Each element of the revision number signiﬁes the scope of change as described in the diagram below.DOCUMENT REVISION DEFINITIONMajor Revisions: The result of a major change to product function, process or requirements.Minor Revisions: The result of a minor change to product, process or requirements.Editorial Revisions: The result of typing corrections or changes in formatting, grammar or wording.1-0-0Three-level revision numbers start at 1-0-0 for the ﬁrst release. The appropriate element of the revision number is incremented by 1 for each subsequent revision, causing any digits to the right to be reset to 0.For example:If the current revision = 2-1-1 Then the next major revision = 3-0-0If the current revision = 4-3-1 Then the next minor revision = 4-4-0If the current revision = 3-2-2 Then the next editorial revision = 3-2-3The complete revision history is provided at the back of the document.

UHF AMP-2 30 W Power Ampliﬁer Instruction ManualIM71-AMP2450-30iiiRF Exposure WarningExposure to radio frequency (RF) energy has been identiﬁed as a potential environmental factor that must be considered before a radio transmitter can be authorized or licensed. The FCC has therefore developed maximum permissible exposure (MPE) limits for ﬁeld strength and power density, listed in FCC 47 CFR § 1.1310. The FCC has furthermore determined that determination of compliance with these exposure limits, and preparation of an Environmental Assessment (EA) if the limits are exceeded, is necessary only for facilities, operations and transmitters that fall into certain risk categories, listed in FCC 47 CFR § 1.1307 (b), Table 1. All other facilities, operations and transmitters are categorically excluded from making such studies or preparing an EA, except as indicated in FCC 47 CFR §§ 1.1307 (c) and (d).Revised FCC OET Bulletin 65 (Edition 97-01) provides assistance in determining whether a proposed or existing transmitting facility, operation or device complies with RF exposure limits. In accordance with OET Bulletin 65 and FCC 47 CFR § 1.1307 (b), this Daniels Electronics Ltd. transmitter is categorically excluded from routine evaluation or preparing an EA for RF emissions and this exclusion is sufﬁcient basis for assuming compliance with FCC MPE limits. This exclusion is subject to the limits speciﬁed in FCC 47 CFR §§ 1.1307 (b) and 1.1310. Daniels Electronics Ltd. has no reason to believe that this excluded transmitter encompasses exceptional characteristics that could cause non-compliance. Notes: • The FCC’s exposure guidelines constitute exposure limits, not emission limits. They are relevant to locations that are accessible to workers or members of the public. Such access can be restricted or controlled by appropriate means (i.e. fences, warning signs, etc.). • The FCC’s limits apply cumulatively to all sources of RF emissions affecting a given site. Sites exceeding these limits are subject to an EA and must provide test reports indicating compliance.RF Safety Guidelines and InformationBase and Repeater radio transmitters are designed to generate and radiate RF energy by means of an external antenna, typically mounted at a signiﬁcant height above ground to provide adequate signal coverage. The following antenna installation guidelines are extracted from Appendix A to OET Bulletin 65 and must be adhered to in order to ensure RF exposure compliance:Non-building-mounted Antennas: Height above ground level to lowest point of antenna ≥ 10 m or Power ≤ 1000W ERP (1640 W EIRP)Building-mounted Antennas: Power ≤ 1000 W ERP (1640 W EIRP)The following RF Safety Guidelines should be observed when working in or around transmitter sites: • Do not work on or around any transmitting antenna while RF power is applied. • Before working on an antenna, disable the appropriate transmitter and ensure a “DO NOT USE” or similar sign is placed on or near the PTT or key-up control. • Assume all antennas are active unless speciﬁcally indicated otherwise. • Never operate a transmitter with the cover removed. • Ensure all personnel entering a transmitter site have electromagnetic energy awareness training.For more information on RF energy exposure and compliance, please refer to the following: 1) FCC Code of Regulations; 47 CFR §§ 1.1307 and 1.1310. 2) FCC OET Bulletin 65, Edition 97-01, “Evaluating Compliance with FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields”. 3) http://www.fcc.gov/oet/rfsafety/

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UHF AMP-2 30 W Power Ampliﬁer Instruction ManualIM71-AMP2450-30vContentsGeneral Information ...............................................................1Introduction ................................................................................................1Performance Speciﬁcations .......................................................................2Physical Speciﬁcations ..............................................................................2Installation and Site Operation ...............................................3General ......................................................................................................3

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UHF AMP-2 30 W Power Ampliﬁer Instruction ManualIM71-AMP2450-301GENERAL INFORMATIONINTRODUCTIONThe MT 3/MT 4 repeater system is a VHF/UHF radio system which is characterized by high performance and reliability under the most severe environmental conditions. The total system is designed to provide dependable, low maintenance performance, even in the most difﬁcult circumstances.The MT 3/MT 4 series of modules are packaged in the compact Eurostandard (5”h x 2.8”w x 7.5”d) housing, and are robustly designed for mountain top or transportable applications. All of the modules use high reliability components and each module is accompanied with a complete operational test report on delivery. The MT 3/MT 4 radio system is speciﬁcally designed to deliver high performance under adverse conditions and comply with the design speciﬁcations and the Industry Canada (IC) Radio Standards Speciﬁcation (RSS 119). In addition, voltage stress testing is done over the range of +11 to +16 Volts DC which is followed by 24 hours of continuous operation at maximum rated power output.The UHF AMP-2 (AMP-2/450-30) power ampliﬁer module is engineered to provide an adjustable 20 to 30 watts RF output over the 406 to 470 MHz UHF frequency range. The UHF AMP-2 power ampliﬁer module mates with either of the MT 3/MT 4 UHF transmitter exciter modules The combination may be mated with either the MT 3 or MT 4 series radio systems subrack.“This equipment is not be operated within the frequency band 406 - 406.1 MHz, unless speciﬁcally authorized by the Federal Communications Commission or Industry Canada in conjunction with COSPAS/SARSAT”

UHF AMP-2 30 W Power Ampliﬁer Instruction ManualIM71-AMP2450-30General Information2PERFORMANCE SPECIFICATIONSFrequency: 406 to 430 MHz and 450 to 470 MHz.Models AMP-2/450-30Output Power: 20 to 30 Watts (set by exciter).Output Impedance: 50 ΩSpurious & Harmonics: More than 75 dB below carrier.Operating Voltage: +13.8 Vdc nominal, range +11 to +16 VdcTransmit Current: 4.5 to 6 A at 30 W.Standby Current: Less than 2 mA.Thermal Protection: Thermal interlock disables at +80˚C (+175˚F).Duty Cycle: Continuous -40˚C to +60˚C operation.Options: • 13.8 Vdc Power indicator;Exciter MT 3 and MT 4; 2W Max. output for 30W PAIC Number: 142A - AMP2450FCC ID: H4JAMP-2-450Emission Designators: F1D, F1E, F3D, F3EPHYSICAL SPECIFICATIONSOperating Temperature: -40˚C to +60˚COperating Humidity: Up to 95% RH at 25˚C.Corrosion Prevention: Anodized aluminum construction. Stainless stee hardware. Connectors: Type N standard.Physical Dimensions: Width: Height: Depth: 14.2 cm (5.6”) 12.8 cm (5.05”) 19 cm (7.5”)Weight: 1.6 kg (3.5 lb).Features: • Heavy Duty Aluminum Heatsink; • Over Temperature Indicator; • Thermal switched (+40˚C) Fan. • Forward Power Sensing Indicator/Output; • Reﬂected Power Sensing Indicator/Output.

UHF AMP-2 30 W Power Ampliﬁer Instruction ManualIM71-AMP2450-303INSTALLATION AND SITE OPERATIONGENERALThe UHF AMP-2 RF power ampliﬁer module is approved for operation with the MT 3 or MT 4 exciter. Complete MT 3 subrack systems shipped directly from the factory are normally set to the appropriate options and output power calibration as requested by the customer. These units require no recalibration.For UHF AMP-2 RF power ampliﬁers shipped separately from the MT 3 subracks, install as outlined:1 Conﬁrm exciter and power ampliﬁer are aligned for the same frequency. (See Alignment Procedure).2 Remove the blank cover plates or TX-RX pair in the “B” System subrack slot.3 Install the UHF AMP-2 in slot 39 (visible via the marker hole on the upper left UHF AMP-2 front panel).NOTE: If the unit is being adjusted with the extender card, a voltage drop of +1.0 to +1.5 Vdc will occur when the power ampliﬁer is transmitting. This voltage drop must be compensated to permit a valid power output measurement.4 Connect the output of the exciter to the input of the UHF AMP-2 power ampliﬁer with the cable provided.5 Connect the antenna system and key the transmitter. The LED indicators are deﬁned as follows:

UHF AMP-2 30 W Power Ampliﬁer Instruction ManualIM71-AMP2450-30Installation and Site Operation4 Power Indicator - indicates +13.8 Vdc is applied to the transmitter when the ON-OFF switch is activated. An internal connector on the RF Sensor PCB disables the power indicator LED in the event that standby LED current drain must be eliminated. TX Indicator - indicates that a preset forward RF power level is present at the transmitter output. The threshold level is internally adjustable for various RF output levels over the 20-30 watt range. Over Temperature Indicator - (O/T) a thermostat control switch interrupts the input supply voltage (nominally +13.8 Vdc) to the power ampliﬁer when the heat sink temperature exceeds 175˚F (80˚C). The over temp thermostat will reset at 145˚F (63˚C), thus providing hysterisis. The Over Temperature indicator is only operational when exciter drive is present. VSWR Indicator - Normally set up at the factory. This indicator is internally set on the RF Sensor PCB for a 50 ohm resistive match. When appreciable reverse power is sensed (high VSWR), the VSWR indicator LED turns on. The reverse power threshold for this indicator is internally adjustable as required.The fan is activated when the UHF power ampliﬁer output heat sink temperature reaches +40˚C. The fan’s operating temperature range is -20˚C to +60˚C. The fan sensor will not activate the fan when the ambient temperature is below -20˚C.

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