RFDU-1968 RF Distribution Unit

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RFDU-1968 RF Distribution Unit (RFDU)

Overview

The Rockwell Collins RFDU-1968 RF Distribution Unit gives you flexible radio-frequency (RF) signal routing and distribution over the 0.5 to 18 GHz frequency range – allowing as many as six microwave tuners to be connected with up to eight antenna feeds. Any of the six RF outputs can connect with any of the eight RF inputs at any time without loading down the RF input signal.

Each of the eight RF inputs is buffered using a low noise amplifier that maintains a low noise figure and a 0 dB typical input-to-output gain. The RFDU-1968 uses PIN switches to provide high-speed and high-isolation switching for systems requiring computer-controlled RF distribution of antenna outputs to different microwave tuners and receivers.

The RFDU-1968 is controlled via Ethernet LAN to distribute RF signals based on a simple Interface Control Diagram.

RF Distribution Unit (0.19Mb PDF)

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Features & Benefits

Specifications

Typical System

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Key Features & Benefits

0.5 to 18 GHz frequency coverage
Non-blocking RF switch matrix
Any RF output can be connected to any RF input
Eight RF inputs and six RF outputs, SMA connectors
Integrated low noise amplifiers; typical RF gain is 0 dB
100 nanosecond switching time, blanking time
Output equalizers compensate for RF cable losses
Small chassis with reduced size, weight and power

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Quantity of Inputs	6
Quantity of Outputs	8
RF Inputs
Frequency Range	0.5-18 GHz
Connector	SMA Female
Max Input Level	+20 dBm (without damage)
RF Distribution Outputs
Frequency	0.5 to 18 GHz
Input Selection Architecture	Full Fan-out
Output to Input Isolation	40dB nominal
Output to Output Isolation	70dB nominal
Output to Output Isolation	20dB nominal (w/same input selected)
Connector	SAM Female
Gain	0 dB nominal
VSWR	2.5:1 maximum
1dB Output Compression	-3 dBm typical, -8 dBm min
RF Blanking	60 dB min
Switching Time	3 msec max
Control	TTL Signal Hi=outputs blanked Lo=normal paths
Max Power In	+20 dBm (without damage)

Width	17 in (43.2 cm)
Height	3.5 in (8.9 cm)
Length/Depth	21 in (53.3 cm)
Weight	40 lb (18.2 kg) max

Input Power	90-260 VAC, 47-440 Hz
Maximum Power	100 W

Operating Temperature	0 to +50 °C
Storage Temperature	-40 to +85 °C
Humidity	95% noncondensing
Cooling	Forced Air

Quantity of Inputs	6
Quantity of Outputs	8
RF Inputs
Frequency Range	0.5-18 GHz
Connector	SMA Female
Max Input Level	+20 dBm (without damage)
RF Distribution Outputs
Frequency	0.5 to 18 GHz
Input Selection Architecture	Full Fan-out
Output to Input Isolation	40dB nominal
Output to Output Isolation	70dB nominal
Output to Output Isolation	20dB nominal (w/same input selected)
Connector	SAM Female
Gain	0 dB nominal
VSWR	2.5:1 maximum
1dB Output Compression	-3 dBm typical, -8 dBm min
RF Blanking	60 dB min
Switching Time	3 msec max
Control	TTL Signal Hi=outputs blanked Lo=normal paths
Max Power In	+20 dBm (without damage)

Width	17 in (43.2 cm)
Height	3.5 in (8.9 cm)
Length/Depth	21 in (53.3 cm)
Weight	40 lb (18.2 kg) max

Input Power	90-260 VAC, 47-440 Hz
Maximum Power	100 W

Operating Temperature	0 to +50 °C
Storage Temperature	-40 to +85 °C
Humidity	95% noncondensing
Cooling	Forced Air

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