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You are here: Home1 / Shop2 / Test Systems3 / Handover Test Systems4 / Full Fan-out Handover Test Systems for Cellular Testing5 / 4 x 4 Handover Test System 698-3000 MHz | 50PA-1089
50PA-1089 Full Fan-out Handover Test System with Variable Attenuators

4 x 4 Handover Test System 698-3000 MHz | 50PA-1089

JFW Model #: 50PA-1089
Impedance: 50 Ohms
Configuration: 4 x 4 Handover System
dB Total: 127 dB
dB Step: 1 dB
Frequency Start: 698 MHz
Frequency Stop: 3 GHz
Manual Control: Display and Keyboard
Remote Control: Ethernet and RS-232
RF Connectors: N, SMA Female
Documentation: Data Sheet | Drawing | Diagram

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Categories: Full Fan-out Handover Test Systems for Cellular Testing, Handover Test Systems, Test Systems
  • Description
  • Additional information

Description

Model 50PA-1089 is a full fan-out 4 x 4 handover test system for cellular testing.  As shown in the block diagram, it is a 4 x 4 matrix constructed using power dividers/combiners on both halves of the matrix.  The power divider/combiners create full fan-out functionality so that no input port is blocked from use to any of the output ports.  Every RF path through the 4 x 4 matrix has its own individually controlled programmable attenuator (0-127dB by 1dB steps).  If an antenna is connected to an input port, the RF signal from that antenna will be available to all output ports simultaneously at different signal levels by adjusting the attenuation setting of each programmable attenuator.  We label the ports as IN and OUT as a naming convention only.  All ports operate bi-directionally.

Manual Attenuator Control
The manual control menu allows you to set/read an attenuator, fade an attenuator, or perform a handover using two attenuators.

Remote Attenuator Control
This attenuator assembly can be remotely controlled via an Ethernet connection or a serial connection (i.e. RS-232).  The network settings can be changed manually with the keypad or remotely using the NET remote command.  The network interface can be set to either DHCP mode or Fixed Address mode.  All new test systems are shipped from the factory in DHCP mode.  A RS-232 connection to the test system is made using a null modem type serial cable.  Baud rates up to 155200 baud are available.  The baud rate can be changed manually with the keypad or remotely with the SERIAL remote command.

Remote Command Set
The firmware manual for our latest generation firmware is available for download.  This manual lists all of our remote commands with command syntax and examples.  Our firmware uses simple ASCII formatted remote commands.  If you are connected to a JFW test system and send the HELP command, it will respond back with a list of all remote commands for that specific test system.

Additional information

Connector Type

N Female, SMA Female

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JFW Industries, Inc.
5134 Commerce Square Drive
Indianapolis, IN 46237

Toll Free: 877-887-4JFW (4539)
Call: 317-887-1340
Fax: 317-881-6790

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Assembly with 1-9 Attenuators 30-3000 MHz | 0-127dB x 1dB | 50PA-1088-XXJFW model 50PA-1088-09 SMA nine channel attenuator assembly with Ethernet controlJFW Industries model 50PA-1091 Limited Fan-out Handover Test System with Variable Attenuators8 x 2 LC Handover Test System 698-3000 MHz | 50PA-1091
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