1300 000 734

MiniSystem Combiner, 500-520MHz, 4 Channel, 50 Watt, Single Antenna Operation, Preamplifier fitted


The MiniSystem Combiner (MSC) is an innovative solution that simplifies the design, quotation, procurement and installation of RF combining for applications requiring 1-4 RF channels. Catering for most standard frequency sub-bands, channel spacings and Tx-Rx frequency separations, MSCs are compatible for use with analogue and digital technologies in a wide range of two-way radio, telemetry, linking and other wireless network applications. The MSC is available in VHF, UHF and 800MHz frequency ranges.

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MS5052-0405-SP Features:

The MiniSystem Combiner (MSC) comprises a transmitter combiner using dual-stage isolators and innovative hybrid combining techniques to provide excellent Tx-Tx isolation and to minimise intermodulation (IM). An integral receive multicoupler uses a low-noise preamplifier featuring user-selectable gain and excellent 3OIP performance to ensure optimum system receive sensitivity is available.

High quality bandpass filtering provides Rx preselectivity and Tx-Rx system isolation performance. Form-C relay alarm outputs provide alarm notification of DC power or Rx LNA amplifier failure.

• 4 channel capacity
• 50W Tx input power (per channel)
• 100% Tx Duty Cycle
• Open-circuit antenna port VSWR protection
• Low-noise receiver preamplifier (LNA)
• User-selectable Rx gain
• DC power and Rx LNA Fail alarm monitoring
• Compact 19in rack mounting
Frequency Range 500-520 MHz
Tx Channel Capacity 4
Tx Input power per channel ≤ 50W per channel
Tx Duty Cycle ≤ 100% per channel
Tx-Tx Bandwidth 1.2MHz
Tx Insertion Loss (typical) 9dB typ.
Tx-Tx Isolation dB > 60dB
Tx-Ant Isolation > 50dB
IP Rating Indoor Use Only
RF Connectors Tx = N (female) Rx = BNC (female)
Tx-Rx Isolation 70dB typ.
Tx Input Return Loss 20dB typ.
Tx-Rx Separation 5MHz min.
Rx Channel Capacity 4
Rx-Rx Bandwidth 1.2MHz
Rx System Gain 0dB to 30dB (in 1dB steps)
Rx LNA Noise Figure < 2dB (1.2dB typ.)
Rx Maximum Input Level -10dBm
Rx-Rx Isolation > 18dB
Rx Output Return Loss > 20dB
Alarms DC Supply Voltage Low, Rx LNA Fail
Alarm Outputs Dry Relay Form-C (N.C./N.O./CMN)
Enclosure 3RU 19in Rack Mount (Black)
DC Power Requirements +11VDC to +28VDC 3.5W typ. (polarity protected)
Weight kg lbs 19Kg (42lbs)
Impedance 50 ohms (all RF ports)
DC Connector 2pin 5mm Phoenix (mating plug supplied)
Alarm Connector 3pin 5mm Phoenix (mating plug supplied)
Temperature Range -30° to +60° C (-122° to +140° F)

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