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Transcript
VHF Expandable Receiver Multicoupler 132-174 MHz Receiver Multicoupler This high performance Receiver Multicoupler (Rx Mux) model is Receiver Multicoupler a broadband, expandable unit that has been designed to cater for analogue and digital VHF system applications. The unit utilises a low-noise, high 3OIP, quadrature amplifier (LNA) to enhance base station receiver performance, with inherent redundancy provided in the quadrature design. The Rx Mux provides outputs for up to eight (8) receivers. The individual receiver outputs of the Rx Mux can also be used in easily field -expandable configurations to connect up to sixteen (16) Expansion shelf units, providing up to a maximum of 128 receiver outputs if required. Each amplifier in the quadrature LNA, along with the internal power supplies, is monitored to provide alarms via relay contacts and the comms port. The unit’s operating gain can be manually programmed via rotary switches, or configured via the comms port. Typical response -10 -40 with both analogue and digital technologies nAlso VSWR operation with built-in quadrature amplifier redundancy nCompatible -60 -70 3 -90 -100 status monitoring and alarm outputs -10 available in VHF Frequency Range Gain Range RX1317-3408-31 132-174 MHz (fullband) RF Outputs 1-8 = 0-15 dB Expansion Outputs 9-16 = 0-15 dB Expansion Outputs 17-128 = 0-5 dB ±1 dB Gain Flatness ±1 dB Gain Step Size 1 dB RF Noise Figure 1.7 dB typ. Impedance 50 ohms Input Return Loss >14 dB Output Return Loss >14 dB Amplifier 3OIP Maximum Input Level DC Supply DC Current Drain Reverse Polarity Protection Options Alarm Output Alarm Conditions Connectors Temperature Range Earthing Surge Protection Mechanical Dimensions Weight Shipping +10 Specification Gain Setting Accuracy Output Port Isolation Fc Frequency in a range of power supply options Model Number 4 -80 or programmable gain setting nAvailable 1 2 -50 nBroadband nIntegral 4 2 -30 Noise Figure LNA offering excellent 3OIP performance nManual 3 -20 Features: nLow 1 0 >20 dB 44 dBm (min.) 0 dB +11 to +16 VDC 700 mA (typ.) Yes 18 - 36 VDC, 36 - 60 VDC or 100 - 240 VAC Power Supply N.O./N.C. Dry Relay Contacts 1A @ 60 V rating Amp #1 Power Fail Amp #2 Power Fail Input Voltage outside tolerance Internal DC supplies outside tolerance RF - N female DC - 2-pin Pheonix Alarms - 3-pin Pheonix USB Comms - USB Type B -30° to +60°C Earthing screw (provided) Gas filled surge absorber at RF input 1RU 19” rack mounting 44 x 120 x 483 (including connectors) 1.8 /4.0 kg/lbs Supplied with DC and Alarms connector mating plugs, “N” termination for Expansion Port, Quick Start Guide and CD containing USB drivers and User Manual For further information on the use of this product, please refer to the Receiver Multicoupler Application Note. Note: Specifications may be subject to nominal degradation at temperature extremes. These products are available in various configurations. Please contact your nearest RFI Sales Office to discuss specification application requirements. As part of our product improvement program, specifications may be subject to change without notice. P-40836-41 Copyright RF Industries Pty Ltd 2011. Subject to change without notice. 1 rfi.com.au