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Full Fan-out

A full fan-out transceiver test system is constructed as a fully meshed matrix. There is a path between every pair of ports. Every path has its own individually controlled programmable attenuator. This construction is ideal for testing radio-to-radio communication because every path can be set to a unique dB setting. Block diagrams for each model are listed in the Documents column of our sortable table.

Each path through the matrix has its own individually controlled programmable attenuator. The programmable attenuators allow the transmission from one port to be received at all other ports at different signal levels. This allows the simulation of a network where each device has a different distance (i.e. attenuation setting) from all other devices. The attenuators can be remotely controlled to simulate static or dynamic environments.

The full fan-out design offers maximum signal fade testing flexibility. However, not all testing requires a full fan-out design. There are also limited fan-out designs and hub fan-out designs.

If you do not find a model that meets your requirements, please contact us. JFW is a customer driven company that does not charge NRE’s. We strive to deliver test systems that meet your exact requirements so that you do not waste resources for functionality that you do not need.

Click the column headers to sort our online models. For your specific application, please contact JFW for assistance or use our Inquiry Form.

JFW Model #ImpedanceConfigurationdB TotaldB StepFrequency StartFrequency StopControlRF Connectors
50PMA-03050 Ohms8 Ports127 dB1 dB200 MHz2500 MHzManual, Ethernet, RS-232SMA
50PMA-03650 Ohms8 Ports95 dB1 dB500 MHz6000 MHzManual, Ethernet, RS-232N, SMA
50PMA-04150 Ohms32 Ports63 dB1 dB30 MHz3000 MHzManual, Ethernet, RS-232N, SMA, TNC
50PMA-04450 Ohms8 Ports95 dB1 dB30 MHz3000 MHzManual, Ethernet, RS-232N, SMA, TNC
50PMA-05550 Ohms16 Ports95 dB1 dB30 MHz3000 MHzManual, Ethernet, RS-232N, SMA, TNC
50PMA-06950 Ohms12 Ports95 dB1 dB30 MHz3000 MHzManual, Ethernet, RS-232N, SMA, TNC
50PMA-07050 Ohms16 Ports95 dB1 dB2000 MHz6000 MHzManual, Ethernet, RS-232N, SMA
50PMA-07250 OHms4 Ports95 dB1 dB30 MHz3000 MHzManual, Ethernet, RS-232N, SMA
50PMA-07450 Ohms6 Ports95 dB1 dB30 MHz3000 MHzManual, Ethernet, RS-232N, SMA
50PMA-07550 Ohms6 Ports95 dB1 dB2000 MHz6000 MHzManual, Ethernet, RS-232N, SMA
50PMA-07650 Ohms8 Ports95 dB1 dB2000 MHz6000 MHzManual, Ethernet, RS-232SMA
50PMA-08050 Ohms6 Ports95 dB1 dB500 MHz6000 MHzManual, Ethernet, RS-232N, SMA, TNC
50PMA-08150 Ohms9 Ports95 dB1 dB500 MHz6000 MHzManual, Ethernet, RS-232N, SMA
50PMA-08250 Ohms6 Ports127 dB1 dB800 MHz2400 MHzManual, Ethernet, RS-232N, SMA, TNC
50PMA-08350 Ohms4 Ports95 dB1 dB500 MHz6000 MHzManual, Ethernet, RS-232N, SMA
50PMA-08650 Ohms4 Ports127 dB1 dB698 MHz3000 MHzManual, Ethernet, RS-232N, SMA
50PMA-09250 Ohms9 Ports95 dB1 dB30 MHz3000 MHzManual, Ethernet, RS-232N, SMA, TNC
50PMA-09850 Ohms5 Ports95 dB1 dB2000 MHz6000 MHzManual, Ethernet, RS-232N, SMA, TNC
50PMA-10650 Ohms4 Ports95 dB1 dB2000 MHz6000 MHzManual, Ethernet, RS-232N, SMA, TNC
50PMA-11450 Ohms5 Ports95 dB1 dB30 MHz3000 MHzManual, Ethernet, RS-232N, SMA, TNC

4 Port Full Fan-out Transceiver Test System Example

Below are two diagrams. The left diagram shows how all ports are connected to each other. The right diagram shows the attenuator addressing for each path. A full fan-out 4 port transceiver test system requires a total of 6 programmable attenuators. Each of the programmable attenuators can be individually controlled. The full fan-out configuration allows for each path to be set to its own unique attenuation setting. A radio connected to port #1 can transmit a signal to radios on ports #2, 3, 4 at different signal levels simultaneously. Our latest generation firmware allows for the attenuators to be faded individually or grouped together and faded as a group.

Capabilities and Options

Custom Models
The models listed in the above table showcase some of our standard transceiver test systems. However, most of JFW’s test system business involves custom designed models. JFW does not charge NREs for custom models. We encourage you to email us your specific requirement at sales@jfwindustries.com. We will respond with a ROM (rough order of magnitude) quote in 1-2 days.

Remote Commands
JFW has standard remote commands for Ethernet and RS-232 controlled models. The command syntax is simple and allows easy control of the programmable attenuator settings. In addition to our standard commands, JFW can also provide customer specific commands upon request.

Test Software
JFW provides a GUI test program with all Ethernet and RS-232 controlled test systems. The test software for transceiver test systems has all of the remote commands built in for easy testing. In addition to the remote commands, the GUI test program has additional functionality such as keypress, handover, and indefinite handover. Several of our sample test programs are available online.

Options
Remote Control: Ethernet, RS-232
Manual Control: Keypad with display
Enclosures: Benchtop or 19″, 23″, 24″ rack mountable enclosures
Power: AC, Dual redundant AC, or DC powered
RF Connectors: BNC, TNC, SMA, N, etc.
Impedance: 50 Ohm or 75 Ohm

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