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Copyright © 2017 Sea Air and Land Communications Ltd. All rights reserved. 

 

 

 

 

11-54-0000 

25 Watt VHF 

Power Amplifier

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PRODUCT MANUAL 

Version 1.01 

October 2017 

 

 

Salcom Product Documentation

 

 

Summary of Contents for 11-54-0000

Page 1: ...Copyright 2017 Sea Air and Land Communications Ltd All rights reserved 11 54 0000 25 Watt VHF Power Amplifier PRODUCT MANUAL Version 1 01 October 2017 Salcom Product Documentation ...

Page 2: ... is designed to familiarise you with Salcom products and guide you through the hardware configuration installation and overall system management Salcom is an environmentally conscious company and in an effort to conserve paper no longer prints manuals with shipped products All relevant documentation can be downloaded in PDF form from our distribution partner website www daviscommsuk com ...

Page 3: ...ght pre paid Please include a description of the fault to assist with prompt return Any unauthorised alterations or repairs will invalidate the warranty All information provided in this document is carefully prepared and offered in good faith as a guide in the installation use and servicing of Salcom products Installers must ensure that the final installation operates satisfactorily within the rel...

Page 4: ...lays The 11 54 will operate satisfactorily with down to 400mW drive but the PTT connection must be grounded to operate the receive to transmit changeover A 2dB 50S input matching pad allows for connection to a wide range of driving devices and mis tuning without the risk of instability In the receive mode it will pass a receive signal with less than 1dB attenuation The 3 stage aerial filter attenu...

Page 5: ... meter or aerial 3 With 4 Watts input drive tune CV1 and CV2 for maximum output using a plastic metal tipped flat bladed screwdriver 4 Alternatively with 400mW minimum input drive ground the PTT connection and tune CV1 CV2 for maximum output to give 10 Watts typical output The PTT connection can sometimes be connected straight to the driving device PTT but a steering diode may be needed in series ...

Page 6: ...y switches supply current on PTT command Receiver Switching Option Power Input 3 Watts minimum Switching Bandwidth 5MHz 20 Watts minimum with 4 Watts input Transmit Enable Power sense circuit operates relay 3 Watts min Power Amplifier Only Option Power Input 0 4 Watts min for 10Watt output typical Switching Bandwidth 5MHz 20 Watts minimum with 4 Watts input Transmit Enable Ground PTT 3mA source Sp...

Page 7: ...ancerygate Business Centre 52 Goulds Close Milton Keynes MK1 1EQ U K November 2017 How to Contact Us Daviscomms UK Ltd Unit 30 Chancerygate Business Centre 52 Goulds Close Denbigh Road West Milton Keynes MK1 1EQ Unite Kingdon T 44 0 1908 36 7722 W www daviscommsuk com E sales daviscommsuk com ...

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