Evertz SRF Series Manuale utente

SRF Series RF Splitters and Combiners

Revision 0.1

TABLE OF CONTENTS

1. OVERVIEW......................................................................................................................................... 1

1.1. BLOCK DIAGRAMS ....................................................................................................................... 2

1.2. TYPICAL APPLICATION DIAGRAM.................................................................................................. 3

2. INSTALLATION.................................................................................................................................. 3

3. SPECIFICATIONS.............................................................................................................................. 5

3.1. RF INPUT/OUTPUT................................................................................................................... 5

3.2. PHYSICAL................................................................................................................................. 5

Figures

Figure 1: Front View of SRF3-64-1x2 chassis .................................................................................................... 1

Figure 2: Rear View of SRF3-64-1x2 chassis ..................................................................................................... 1

Figure 3: 1x2 Splitter / 2x1 Combiner................................................................................................................. 2

Figure 4: 1x4 Splitter / 4x1 Combiner.................................................................................................................. 2

Figure 5: 128x128 L band matrix using XRF6 64x64 routers and SRF3-64-1x2 modules................................. 3

Figure 6: Front Panel of SRF3-64-1x2 chassis................................................................................................... 4

Figure 7: Rear Panel of SRF3-64-1x2 chassis ................................................................................................... 4

SRF Series Splitters and Combiners

Revision 0.1

REVISION HISTORY

REVISION DESCRIPTION DATE

0.0 Preliminary Version Jun 06

0.1 Updated to SRF specs Jul7 07

Information contained in this manual is believed to be accurate and reliable. However, Evertz assumes no responsibility for the use thereof nor for

the rights of third parties, which may be effected in any way by the use thereof. Any representations in this document concerning performance of

Evertz products are for informational use only and are not warranties of future performance, either express or implied. The only warranty offered by

Evertz in relation to this product is the Evertz standard limited warranty, stated in the sales contract or order confirmation form.

Although every attempt has been made to accurately describe the features, installation and operation of this product in this manual, no warranty is

granted nor liability assumed in relation to any errors or omissions unless specifically undertaken in the Evertz sales contract or order confirmation.

Information contained in this manual is periodically updated and changes will be incorporated into subsequent editions. If you encounter an error,

please notify Evertz Customer Service department. Evertz reserves the right, without notice or liability, to make changes in equipment design or

specifications.

SRF Series Splitters and Combiners

Revision 0.1 SRF-1

1. OVERVIEW

The SRF series radio frequency ( RF ) passive splitters and combiners provide an economical method of

splitting or combining a number of RF signals in ratios of 1:2 or 1:4. They provide low insertion loss, high

return loss, flat frequency response and high isolation between channels. They can be used for signal

distribution in a RF facility, or used to expand the matrix size of Evertz Microsystems XRF1 ( 16x16 ) and

XRF6 ( 64x64 ) RF routers.

Figure 1: Front View of SRF3-64-1x2 chassis

Figure 2: Rear View of SRF3-64-1x2 chassis

The SRF products feature RF coax connectors on both sides of the chassis for mounting on either the

front or back of the rack for ease of installation and troubleshooting. They also feature an input monitoring

port for troubleshooting and diagnostics in the RF plant.

The SRF1 series is housed in a 1RU frame and the SRF3 series are housed in a 3RU frame. RF

specifications are dependent on the split / combine ratio. The list below includes all possible options of

the SRF splitter / combiners.

SRF1 SERIES:

SRF1-16-1x2 16-channel 1x2 splitter / 2x1 combiner

SRF1-8-1x4 8-channel 1x4 splitter / 4x1 combiner

SRF3 SERIES:

SRF3-64-1x2 64-channel 1x2 splitter / 2x1 combiner

SRF3-32-1x4 32-channel 1x4 splitter / 4x1 combiner

SRF Series Splitters and Combiners

SRF-2 Revision 0.1

1.1. BLOCK DIAGRAMS

COMMON

PORTA

PORTB

MON I T OR

-20dB

passive

tap

Figure 3: 1x2 Splitter / 2x1 Combiner

COMMON

PORTA

PORTB

-20dB

passive

tap PORTC

PORTD

MON I T O R

Figure 4: 1x4 Splitter / 4x1 Combiner

SRF Series Splitters and Combiners

Revision 0.1 SRF-3

1.2. TYPICAL APPLICATION DIAGRAM

Figure 1 illustrates the use of four SRF3-64-1x2 modules to achieve a 128x128 router using four XRF6 L

band routers. On the input side, the SRF functions as a splitter and as a combiner on the output side,

allowing non-blocking routing of any input to all outputs.

SCRF3-64-1x2

LbandInputs1-64 64

Outputs1-64

X6R F- PS

FRAME

STATUS

PSU

STATUS

ON O FF

PO WERSUPPLY

XRF6-FC

XRF6-I16LB

XRF6-

O16LB64x64

XRF6-I16LB

XRF6-

O16LB64x64

XRF6-

O16LB64x64

XRF6-

O16LB64x64

XRF6-FC

X6RF-PS

FRAME

STATUS

PSU

STATUS

ON OFF

POWER SUPPL Y

Power

Supply A

Power

SupplyB

Frame

Con trollerB

Frame

Co nt r o ll er A

S LOT 1 S LO T 2 SLOT 3 SL OT4SLOT5 S LOT 6 SLO T 7 S L OT 8

INPUTS

1-16

INPUTS

17-32

INPU TS

33-48

INPUTS

49 -64

OUTPU TS

17- 3 2

OUTPUTS

1- 16

OUTPUTS

33-48

OUTPUTS

49-64

X6R F- P S

FRAME

STATUS

PSU

STATUS

ON OFF

PO WER S UPP LY

XRF6-FC

XRF6-I16LB

XRF6-

O16LB64x64

XRF6-I16LB

XRF6 -I16LB

XRF6-

O16LB64x64

XRF6-

O16LB64x64

XRF6-

O16 LB64x64

XRF6-FC

X6RF-PS

FRAME

STATUS

PSU

STATUS

ON OFF

POWE R SUPPLY

Power

SupplyA

Power

SupplyB

Frame

ControllerB

Frame

Controlle r A

SLOT1 SLOT2SLOT3SLOT4SLOT5SLOT6SLOT 7 SLOT8

INPUTS

1-16

INPUTS

17- 32

INPUTS

33- 4 8

INPUTS

49-64

OUTPUTS

17- 32

OUTPUTS

1- 16

OUTPUTS

33- 48

OUTPUTS

49-64

XRF664x64Lbandrouter

X6R F- P S

FRAME

STATUS

PSU

STATUS

ON OFF

PO WER S UPP LY

XRF6-FC

XRF6-I16LB

XRF6 -

O16LB64x64

XRF6-I16LB

XRF6-

O16LB64x64

XRF6-

O16LB64x64

XRF6-

O16LB64x64

XRF6-FC

X6RF-PS

FRAME

STATUS

PSU

STATUS

ON OFF

POWE R SUPPLY

Power

SupplyA

Power

SupplyB

Frame

ControllerB

Frame

Controlle r A

SLOT1 SLOT2SLOT3SLOT4SLOT5SLOT6SLOT 7 SLOT8

INPUTS

1-16

INPUTS

17- 32

INPUTS

33- 4 8

INPUTS

49-64

OUTPUTS

17- 32

OUTPUTS

1- 16

OUTPUTS

33- 48

OUTPUTS

49-64

X6R F- P S

FRAME

STATUS

PSU

STATUS

ON OFF

PO WER S UPP LY

XRF6-FC

XRF6-I16LB

XRF6-

O16LB64x64

XRF6-I16LB

XRF6-

O16LB64x64

XRF6-

O16LB64x64

XRF6-

O16LB6 4 x64

XRF6-FC

X6RF-PS

FRAME

STATUS

PSU

STATUS

ON OFF

POWE R SUPPLY

Power

SupplyA

Power

SupplyB

Frame

ControllerB

Frame

Controlle r A

SLOT1 SLOT2SLOT3SLOT4SLOT5SLOT6SLOT 7 SLOT8

INPUTS

1-16

INPUTS

17- 32

INPUTS

33- 4 8

INPUTS

49-64

OUTPUTS

17- 32

OUTPUTS

1- 16

OUTPUTS

33- 48

OUTPUTS

49-64

SCRF3-64-1x2

LbandInputs65-128

SCRF3-64-1x2

Outputs65-128

Figure 5: 128x128 L band matrix using XRF6 64x64 routers and SRF3-64-1x2 modules.

2. INSTALLATION

The SRF splitters and combiners have RF coaxial connectors on the front and back side of the chassis.

The input ( common ) and monitoring ports are on the front of the panel. Output connectors are located on

the rear side of the chassis.

The monitoring port can be used for diagnostics and monitoring. This port is a –20dB tap of the common

port. Terminate this port with a 75 Ohm load when not connected.

Please note all unused outputs on a channel ( including monitoring outputs ) must be

terminated with a 75 Ohm load if they are not connected. Please contact Evertz

Microsystems for recommended termination suppliers.

SRF Series Splitters and Combiners

SRF-4 Revision 0.1

Figure 6: Front Panel of SRF3-64-1x2 chassis

Figure 7: Rear Panel of SRF3-64-1x2 chassis

SRF Series Splitters and Combiners

Revision 0.1 SRF-5

3. SPECIFICATIONS

3.1. RF INPUT/OUTPUT

Inputs: 16 ( SRF1-16-1x2 )

8 ( SRF1-8-1x4 )

64 ( SRF3-64-1x2 )

32 ( SRF3-32-1x4 )

Outputs: 32 ( SRF1-16-1x2 )

32 ( SRF1-8-1x4 )

128 ( SRF3-64-1x2 )

128 ( SRF3-32-1x4 )

Connectors: BNC per IEC 60169-8 Amendment 2 ( F type optional )

Frequency Range: 40MHz to 3000MHz

Insertion Loss: 4.2dB ± 0.5dB ( 1 x 2 )

7.5dB ± 0.75dB ( 1 x 4 )

Return Loss (inputs and outputs): > 15 dB (250MHz-3000MHz)

Isolation: > 17 dB ( Output to Output on same channel - 550MHz to 3000MHz)

> 60 dB ( Channel to any other Channel )

Monitoring Output: -20dB relative to common port

Note: SRF passes LNB power and DiSEqC signals.

3.2. PHYSICAL

SRF1: 1.75" ( 44.5mm ) H x 19" ( 483mm ) W x 5.5" ( 140mm ) D

SRF3: 5.25" ( 133mm ) H x 19" ( 483mm ) W x 5.5" ( 140mm ) D

SRF Series Splitters and Combiners

Revision 0.1 SRF-1

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