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Tech Support:

 consumer.steppir.com/support  |  425.453.1910  |  [email protected]

 

 

14

 

When tuning, the SY3 System uses 3 separate components:

 

1.

 

The SY3 Antenna

 

2.

 

The Mini

-

Bicon Receive Antenna

 

3.

 

The analytics tower and cables

 

 

 

 

The SY3 Antenna

 

The SY3 Antenna should be placed 

1 meter 

from the EUT, as described in MIL

-

STD 461

-

G.

 

This measurement should be taken from the center of the front element tube.

 

In the Horizontal Polarization, the center of the front element tube should be 

57" 

from the ground of the cham-

ber. This height adjustement can be made using the handwheel on the stand. The antenna can then be lev-
elled side to side using the handwheel on the PanaVise attachment. The antenna can be levelled front to 
back using the adjustable feet on the stand.

 

In the Vertical Polarization, the center of the front element tube should ideally be at least 

17" 

from the floor 

and ceiling of the chamber, and must be 

at least 10" 

from the floor and ceiling of the chamber to avoid perfor-

mance loss.

 

 

The Receive Antenna

 

The Mini

-

Bicon Receive Antenna should be placed 

12" 

above the EUT, as measured from the center body of 

the Biconical antenna, in horizontal and vertical polarization.

 

The polarization of the Receive Antenna should match the polarization of the SY3 Antenna

 

We recommend that the Receive antenna should also be positioned 24" to the right of the SY3 Antenna.

 

 

After extensive testing, we found that this placement yielded best results in our test chambers

 

 

The Analytics Tower

 

The Analytics Tower connects to the SY3 antenna using the N

-

Type to N

-

Type LMR

-

400 low loss coaxial ca-

ble and the DB

-

25 Control Cable. The Analytics Tower connects to the Receive Antenna using the BNC to N

-

Type LMR

-

400 low loss coaxial cable.

 

 

 

The Receive Antenna must be connected to the 

PROBE

” 

connection on the OptimizIR EMC, and 

the SY3 Antenna must be connected to the 

ANTENNA

” 

connection on the OptimizIR EMC. Double 

check these connections!

 

If the SY3 is being used in a new location, it is necessary to create an Antenna Configuration for 

both the Horizontal and Vertical Polarization.

 

 

SY3 SYSTEM USER GUIDE: SETUP FOR TUNING

 

Summary of Contents for SY3

Page 1: ...13406 SE 32nd St Bellevue WA 98005 consumer steppir com 425 453 1910 sales steppir com SY3 System Users Manual REV 1 1 12 27 2020 ...

Page 2: ...ual for more information about ratings before connecting the instrument Do Not Operate Without Covers Do not operate the system with covers or panels removed Do Not Insert Anything into Vent Holes Do not insert anything into the vent holes on the system to avoid damaging components Avoid Circuit or Wire Exposure Do not touch exposed junctions and components when the unit is powered Keep Well Venti...

Page 3: ...o 2500 Watts at 2 5 1 VSWR Operating at higher wattage or higher VSWR values can result in damage to the system Burn Prevention The SY3 Antenna enclosure underside surface may be hot during and immediately after transmitting Use caution when handling the device to avoid burns Trip Hazard The system components are connected via long lengths of cable Use caution when moving between components to avo...

Page 4: ...pir com support 425 453 1910 support steppir com 4 SY3 System Assembly SY3 Stand 3 SY3 Antenna 5 Receive Antenna and Stand 9 SY3 System User Guide Theory of Operation 11 Setup For Tuning 12 Setup For Testing 16 TABLE OF CONTENTS ...

Page 5: ...ck levelling and adjustments of the SY3 Antenna It uses a PanaVise head to tilt the SY3 Antenna between horizontal and vertical polarizations as well as four levelling feet for fine tuned control Figure 1 demonstrates how the four legs are inserted into the base of the antenna SY3 SYSTEM ASSEMBLY SY3 STAND Figure 1 ...

Page 6: ...port consumer steppir com support 425 453 1910 support steppir com 6 Section 2 Using a 3 16 hex key secure the four legs by tightening the set screws as shown in Figure 2 SY3 SYSTEM ASSEMBLY SY3 STAND Figure 2 ...

Page 7: ...ead screws These screws are fastened into the SY3 Antenna boom during shipping Remove the four mounting screws from the bottom of the antenna boom as shown in Figure 3 Place the antenna boom on top of the PanaVise Mount and secure it in place using the four mounting screws as shown in Figure 4 SY3 SYSTEM ASSEMBLY SY3 ANTENNA Figure 3 4 x Mounting Screws Figure 4 ...

Page 8: ...ght element fiberglass support into each side of the center element as shown in Figure 5 Make sure each fiberglass support is fully seated within the element Reinstall each plastic thumbscrew fastening them against the fiberglass support tube Do not overtighten Doing so may crush or otherwise damage the fiberglass support tube SY3 SYSTEM ASSEMBLY SY3 ANTENNA Figure 5 ...

Page 9: ...the elements as shown in Figure 6 The folded element fiberglass supports are not symmetrical please refer to Figure 7 for the correct orientation Make sure each fiberglass support is fully seated within the element Reinstall each plastic thumbscrew fastening them against the fiberglass support tube Do not overtighten Doing so may crush or otherwise damage the fiberglass support tube SY3 SYSTEM ASS...

Page 10: ...Tech Support consumer steppir com support 425 453 1910 support steppir com 10 SY3 SYSTEM ASSEMBLY SY3 ANTENNA Figure 7 Folded Element Short Side Folded Element Long Side ...

Page 11: ...r com 11 Section 1 The SY3 System uses a 0 03 1 GHz Biconical Antenna and non conducting stand to measure and optimize for signal strength while tuning Figure 8 demonstrates how the non conducting stand is assembled SY3 SYSTEM ASSEMBLY RECEIVE ANTENNA AND STAND Figure 8 ...

Page 12: ...ort steppir com 12 Section 2 Fasten the Receive Antenna to the stand s horizontal arm using the black plastic thumbscrew as shown in Figure 9 Adjust the Receive Antenna position and counterweight as needed SY3 SYSTEM ASSEMBLY RECEIVE ANTENNA AND STAND Figure 9 ...

Page 13: ... tower to determine optimal antenna lengths for a given frequency in a given environment Before use the SY3 system is calibrated to the room that it is in essentially auto tuning the antenna This process takes approximately 2 5 hours and needs to be re peated for both horizontal and vertical polarization SY3 SYSTEM USER GUIDE THEORY OF OPERATION ...

Page 14: ... chamber to avoid perfor mance loss The Receive Antenna The Mini Bicon Receive Antenna should be placed 12 above the EUT as measured from the center body of the Biconical antenna in horizontal and vertical polarization The polarization of the Receive Antenna should match the polarization of the SY3 Antenna We recommend that the Receive antenna should also be positioned 24 to the right of the SY3 A...

Page 15: ...ower After the device is powered on you will see the interface shown in Figure 10 1 Status Menu Shows current device state frequency and configuration 2 Connection Status 3 Configuration Control Select create and delete configurations 4 Antenna Control Go to a specific frequency retract or recalibrate elements or fine tune element lengths SY3 SYSTEM USER GUIDE SETUP FOR TUNING 1 2 3 4 Figure 10 ...

Page 16: ...correct preset for your antenna s polarization can lead to poor antenna performance Press the TUNE NEW button to begin the tuning process The OptimizIR EMC will update to show the time and percentage remaining Figure 12 The tune can also be canceled from this screen This cancellation requires confirmation to avoid accidental interruptions Figure 13 Once the tune progress has completed the OptimizI...

Page 17: ...Tech Support consumer steppir com support 425 453 1910 support steppir com 17 SY3 SYSTEM USER GUIDE SETUP FOR TUNING Figure 12 Figure 13 ...

Page 18: ...onnect all coaxial cables from the OptimizIR EMC while testing EMC Field Probes Optimal placement of field probes will vary depending on the frequency and polarization of the SY3 Antenna We recommend the use of multiple field probes to accurately map the field generated by the SY3 Antenna if possible In Horizontal Polarization We recommend positioning the field probe s up to 48 to the right or lef...

Page 19: ...Support consumer steppir com support 425 453 1910 support steppir com 19 Section 2 Select the appropriate configuration using the dropdown shown in Figure 14 SY3 SYSTEM USER GUIDE SETUP FOR TESTING Figure 14 ...

Page 20: ... steppir com 20 Section 3 Select the appropriate frequency using the dropdown shown in Figure 15 You can also change frequencies by clicking the or buttons shown below SY3 SYSTEM USER GUIDE SETUP FOR TESTING Figure 15 Move down one frequency Move up one frequency ...

Page 21: ...l and the selected frequency is 30 757 MHz the Status Menu shows that the antenna is Retracted When SEND TO ANTENNA is clicked the interface will show that the SY3 Antenna is adjusting Figure 17 then will show the new Configuration and Frequency on the Status Menu when done Figure 18 The Status Menu can only track the SY3 Antenna element lengths while the OptimizIR EMC is powered on After loss of ...

Page 22: ...Tech Support consumer steppir com support 425 453 1910 support steppir com 22 SY3 SYSTEM USER GUIDE SETUP FOR TESTING Figure 17 Figure 18 ...

Page 23: ...r of these will result in a mis matched antenna and high VSWR and may damage your system During testing we recommend monitoring the VSWR of the SY3 antenna If the VSWR goes above 2 5 1 SWR we recommend ensuring that you are using the correct configuration If high VSWRs persist you may need to tune the SY3 antenna again to create a new configuration If high VSWRs persist even after multiple tunes p...

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Page 25: ...Tech Support consumer steppir com support 425 453 1910 support steppir com 25 ...

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