Automatic UpLink Power Control System. UpLink Power Controller (principle of operation) ‘Rain Fade’ affects both transmitted signal and Beacon signal.

Automatic UpLink Power Control System

UpLink Power Controller (principle of operation)

‘Rain Fade’ affects both transmitted signal and Beacon

signal by a similar amount.

Product Focus;Automatic UpLink Power Control (AUPC)

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UpLink Power Controller (principle of operation)

L-Band signal

Processing(Level Detection, Comparator &

Limiter)

UpLink Chain (from Modulator)

Beacon Signal Detection

LNB SHF signal BUC

L-Band signal (or IF 70/140MHz if UpConverter fitted).

Bypass option fixed

attenuator

UPC7001 UpLink Channel Compensation

Shows DC & 10MHz pass to BUC option.

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UpLink Power Controller (internal attenuation)

• Easy to use, cost effective solution to rain fade compensation.• Internal or external Beacon Receiver.• Fail safe by-pass option.• DC & 10MHz ‘pass’ option.

Beacon Receiver Signal (L-Band/ SHF)

Processing(Level Detection, Comparator &

Limiter) UpLink Chains

Beacon Signal Detection

UpLink Power Controller (external attenuation)

Beacon Receiver Signal (L-Band/ SHF)

Beacon Signal Detection

UpLink Chains

CAN-bus Connection

• Directly interfaces to Peak equipment in the UpLink chains via CANbus to provide a simple, cost effective solution to rain fade variations, without the need for additional RF cabling.• Full RS232/485 remote control .• Ethernet options supporting SNMP ,Embedded Web-server etc.

Processing(Level Detection, Comparator &

Limiter)5

UpLink Power Controller (physical attributes)

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Up to 4 ‘fixed’ Channels in 1RU, plusmodular 10-Channel expansion system in 2RU.

UpLink Power Controller (anti-scintillation)

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Traditional rain-fade rates of

change in minutes

Scintillation rates of change

in <1s

Relative rate of change in dB

-10

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Earth Station RF Equipment from Peak Communications Ltd.www.peakcom.co.uk