Micro Communications, Incmcibroadcast.com/files/RYMSA Brochurev3.pdf · Custom RF Components and...

Custom RF Components and SystemsMicro Communications, IncMicrowave Products

A RYMSA Company

PRODUCT LINESPRODUCT LINES

TTC ANTENNAS BEAM FORMING NETWORK (Input &

PRODUCT LINESPRODUCT LINES

TTC ANTENNAS

Hemispherical CoverageToroidal Coverage

Output):

- Microstrip, Bar-line, Waveguide, ...

Wide Coverage

MEDIUM GAIN ANTENNAS

FILTERS (Input & Output)

- Dual mode on circular cavities, Corrugated, E-Plane, TEM technology,MEDIUM GAIN ANTENNAS

Global CoverageSpot & Narrow Beam

Corrugated, E Plane, TEM technology, Evanescent mode coupling, Ridge (corrugated or post), …

MULTIPLEXERS:pIsoflux CoverageFeed Horns

MULTIPLEXERS:

- Input/Output Diplexers & Triplexers (microstrip, bar-line or waveguide)

TECHNOLOGIES:

Arrays helices patches SBF

- Output Multiplexers

COUPLERS:W id B li Mi t iArrays, helices, patches, SBF,

bicones, hybrid, choked, corrugated horns, conical horns, pyramidal horns etc

- Waveguide, Bar-line, Microstrip

POLARIZERS:- Septum OMT’s corrugated

March ‘09 16

horns, etc. Septum, OMT s, corrugated, ...

FLIGHT SEGMENT PRODUCTSFLIGHT SEGMENT PRODUCTSFLIGHT SEGMENT PRODUCTSFLIGHT SEGMENT PRODUCTS

TT&C ANTENNAS IN L AND S BANDS

March ‘09 17

FLIGHT SEGMENT PRODUCTSFLIGHT SEGMENT PRODUCTS

L-BAND AND S-BAND PATCH ANTENNAS


Typically used for GPS applications or TT&C Systems for its wide angle coverage.

The design is fully customized according to Customer needs (radiation patternThe design is fully customized according to Customer needs (radiation pattern, mechanical design, etc.).

10

0

5

-10

-5

ain

(dB

i)

-20

-15

Ga

-160 -140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120 140 160

-30

-25

March ‘09 18

160 140 120 100 80 60 40 20 0 20 40 60 80 100 120 140 160

Theta (º)


L-BAND AND S-BAND HELIX ANTENNAS


Typically used for GPS applications or TT&C Systems for its wide angle coverage.

Radiation pattern can be shaped to achieve particular requirements.Radiation pattern can be shaped to achieve particular requirements.

March ‘09 19


TT&C ANTENNAS FOR TELECOM

EUROPEAN MARKETEUROPEAN MARKET

March ‘09 20


C-BAND HEMISPHERICAL ANTENNAS


Baseline supplier for main platforms in Europe.

Qualified designs covering C Band TTC Uplink and Downlink with single orQualified designs covering C Band TTC Uplink and Downlink with single or dual Circular Polarization.

10

-5

0

5

-20

-15

-10

GA

IN (d

Bi)

35

-30

-25

G

-150 -120 -90 -60 -30 0 30 60 90 120 150

-45

-40

-35

March ‘09 21

150 120 90 60 30 0 30 60 90 120 150THETA ANGLE (deg)


KU-BAND HEMISPHERICAL ANTENNAS


Baseline supplier for main platforms in Europe.

Qualified designs covering Ku Band TTC Uplink and Downlink.15 Customizable I/F: WG, coaxial, loaded ports

0

5

10

Single or dual Circular Polarization.

-20

-15

-10

-5

GA

IN (

dBi)

-35

-30

-25

20

-150 -120 -90 -60 -30 0 30 60 90 120 150THETA ANGLE (deg)

-45

-40

March ‘09 22


TT&C ANTENNAS FOR TELECOM

AMERICAN MARKETAMERICAN MARKET

March ‘09 23


C-BAND OMNIDIRECTIONAL ANTENNAS


Wide presence in the American Market.

Dual operation for TX and RX missionsDual operation for TX and RX missions.

Qualified designs for wide bandwidth.

Lineal or Circular PolarizationsLineal or Circular Polarizations.

Design can be scaled to other bands.0-BAND OMNIANTENNA

L FUNCTIONAL

45315

TX PFr = 4

90270

-30 -20 -10 0 10 Ga

135225

March ‘09 24

180


KU-BAND OMNIDIRECTIONAL ANTENNAS


Wide presence in the American Market.

Dual operation for transmit and receive missionsDual operation for transmit and receive missions.

Qualified designs for wide operating bandwidth, with Lineal or Circular Polarization.

Design can be scaled to other bands (S to Ka band)Design can be scaled to other bands (S to Ka band).

March ‘09 25


C-BAND WIDE COVERAGE ANTENNAS


Wide presence in the American market, as a complement of the omni-directional antennasdirectional antennas.

Qualified designs for wide band operation.

0

45315

Theta= (º) TX Pf=

90270

-40 -30 -20 -10 0 10 Gain (dBi)

135225

March ‘09 26

180


KU-BAND WIDE COVERAGE ANTENNAS


Wide presence in the American market, as a complement of the omni-directional antennas.

Qualified designs for wide band operation.

Design can be scaled to other bands (i.e. Ka band).

March ‘09 27


WIDE ANGLE ANTENNAS


Wider coverage angles are achieved by means of hybrid-mode antennas.

Support Brackets can be customized.

March ‘09 28


TT&C ANTENNAS IN X BAND

(SCIENTIFIC MISSIONS)(SCIENTIFIC MISSIONS)

March ‘09 29


X-BAND LOW GAIN AND MEDIUM GAIN ANTENNAS


Typically used for Scientific Missions in the TTC Subsystem.

MGAs conical horns yield higher peak directivity and narrower beam.

LGAs, with wider beam, have hemispherical coverage.

March ‘09 30


X BAND DOWNLINK ANTENNAS

FOR LEO SATELLITESFOR LEO SATELLITES

March ‘09 31


X-BAND ISOFLUX ANTENNA


Used for Data Download in Earth Observation Satellites (LEO).

The typical Radiation Pattern required is IsofluxThe typical Radiation Pattern required is Isoflux.

Electrical and Mechanical performances are customizable.

March ‘09 32




Used for Data Download in EO Satellites.

Qualified designs covering 7.9 to 8.4 GHz.

Typical Pattern (customizable):

0

5

10

15

-10

-5

N (d

Bi)

-25

-20

-15

GA

IN

180 150 120 90 60 30 0 30 60 90 120 150 180

-40

-35

-30

March ‘09 33

-180 -150 -120 -90 -60 -30 0 30 60 90 120 150 180THETA ANGLE (deg)




Used for Data Download in EO Satellites.

Isoflux pattern provided:

March ‘09 34


GLOBAL COVERAGE ANTENNAS

March ‘09 35


GLOBAL COVERAGE ARRAY ANTENNA


Global Coverage in Low Bands (typ. L and S), where conical horns become too big.

C t i dCustomized coverage can be provided.

Typical values: • G > 17 dBi for EoC• G > 17 dBi for EoC

• A.R. < 1.3 dB for EoC

• EoC |θ | < 8 8 º• EoC |θ | < 8.8

March ‘09 36


GLOBAL COVERAGE HORN ANTENNA


Global Coverage in Low Bands (typ. L and S). Typical values: G > 15 2 / 15 3 dBi f E C A R < 1 dB f E C E C |θ | < 9 ºG > 15.2 / 15.3 dBi for EoC ; A.R. < 1 dB for EoC ; EoC |θ | < 9 º

March ‘09 37


C-BAND HORN ANTENNAS


Typically to provide global coverage (Gain > 17.3 dBi and XPD > 33 dB for |θ | < 9º)

Other conical coverages can be providedOther conical coverages can be provided

Circular or Linear Polarization (OMT/Septum)

Carbon fiber for mass optimizationp

Mirror cube for optical alignment

Support structure fully customizable

March ‘09 38


X-BAND HORN ANTENNAS



Minimum mass for particular mechanicalMinimum mass for particular mechanical constraints (customizable support structures)

Optional test cap, alignment cube, polarization, ports interfaces, etc.

March ‘09 39


KU-BAND BEACON AND GLOBAL HORNS



Mi i f ti l h i l t i t ( t i bl t t t )Minimum mass for particular mechanical constraints (customizable support structures)


March ‘09 40


KA-BAND HORN ANTENNAS



Mi i f ti l h i l t i t ( t i bl t t t )Minimum mass for particular mechanical constraints (customizable support structures)


March ‘09 41


CUSTOMISED ANTENNAS

March ‘09 42


UHF & L BAND SEARCH & RESCUE ANTENNA


Specific antennas for particular missions can be designed fully customized.

E l d l t ith i i i i UHF b d (h li ) dExample: dual antenna with receive mission in UHF band (helix array) and transmit mission in L Band (Short Back Fire).

March ‘09 43


SHAPED BEAM ANTENNAS

March ‘09 44


KU-BAND AND KA-BAND SHAPED BEAM ANTENNAS


Typically used for TTC On Station.

Provides shaped coverage with minimumProvides shaped coverage with minimum gains assured for particular Earth regions.

A diplexer or triplexer can be included for b d di i i ti (TX RX B )bands discrimination (TX, RX, Beacon).

Support structure designed for particular beam alignment. Mirror cube can be included.g

Optional test cap can be provided.

March ‘09 45


FEED ANTENNAS

March ‘09 46


C-BAND FEEDING SYSTEM WITH LP OMT


Used as feeder of reflectors in satellite applications.

D l id b d idth ti (TX 3 7 4 2 GH & RX 5 925 6 425 GH ) ll iDual wide bandwidth operation (TX: 3.7 - 4.2 GHz & RX: 5.925 - 6.425 GHz) allowing to replace standard feed systems based on two antennas.

Low dispersion b/w principal planes.p p p p

Very high power design.

Low crosspolar.

Mass (feed) : 1.4 Kg.

The design can beThe design can be scaled to higher frequencies and it can customized tocan customized to specific requirements.

March ‘09 47


C-BAND FEEDING SYSTEM WITH CP OMT


Innovative compact design of CP OMT (340 mm long) providing simplified routing with enhanced I.L. performance (< 0.15 dB) .

Overall feed performances yielding XPD better than 25 dB in a coverage of ± 25 deg. and TX/RX isolation better than 70 dB.

Cutting edge manufacturing techniques for a low mass horn Enhanced overallCutting edge manufacturing techniques for a low mass horn. Enhanced overall mechanical design with customized interfaces to S/C (total mass 7.2 Kg).

March ‘09 48


X-BAND FEEDING SYSTEM


Used as feeder of a parabolic reflector in satellite applications (example in the photo is currently in flight since 2004)the photo is currently in flight since 2004).

Low dispersion b/w principal plane cuts.

March ‘09 49


DUAL BAND FEEDING ANTENNA


Particular Feed Antennas are designed for particular cases. E.g. BEPI COLOMBO (photograph): Dual feed in X Band and Ka Band(photograph): Dual feed in X Band and Ka Band.

Coaxial horn approach is selected ppto guarantee that the phase centers of the two bands are at the same point.

Ka horn is coaxially inside the X horn (not seen due to the sunshield). Mechanical and electrical designMechanical and electrical design complexity is increased.

Thermal Design is also a challenge i th t llit ill bit Msince the satellite will orbit Mercury

(temperature higher than 300 ºC) .

March ‘09 50


K & KA BAND FEEDING SYSTEM


Conical corrugated feed horn plus three OMTs in cascade in square waveguide technology, connected trough a square to circular transition.

Feed Horn:

• Low Cross-Pol Level

• Broad frequency BW

• High Gain and low spill-over

OMT:

• Three OMTs in cascade operating at 36, 24 and 18 GHz

• Dual Linear Polarization

E ll t i l ti b/ t• Excellent isolation b/w ports

Excellent control of manufacturing tolerances

March ‘09 51


PAYLOAD AND TT&C FILTERS

March ‘09 52


COMBLINE BAND PASS FILTERS


Combline BPF with One or Two X-Couplings (elliptic response).

Possibility to integrate low pass stages when necessaryPossibility to integrate low pass stages, when necessary.

Large productions in short time (E.g. 61 units for ICO in 8 months).

C i d d i (BW IL R j i )Customized designs (BW, IL, Rejection).

Suitable from UHF to C Bands (typ.).

March ‘09 53


COMBLINE BAND PASS FILTERS


Customized designs.

Large production, 80 units in 12 m.

Compact λ/8 Combline Technology.

Mass below 75 grams.

Thermal Compensation Techniques.

Silver plated to minimize losses.

March ‘09 54


COAXIAL LOW PASS FILTERS


Customized designs.

Coaxial Technology with stepped impedance sections.

Typ for L S & C BandsTyp. for L, S & C Bands.

BPF: Combline (λ/4 TEM resonators) coupled by square coaxial lines.

LPF in Ridge WG technology, providing rejection up to Ku Band.

High Power Handling Capability. (120W CW, > 500W MP Free, 160W Corona Free)

March ‘09 55


WAVEGUIDE LOW PASS FILTER


Rejects spurious generated by thetransmitter and the TWTA in TTC chain.

Tchebycheff response for lowi ti l d hi h b dinsertion losses and high near bandrejection, with small size and volume(customizable).

Two identical halves in parallelconfiguration to increase the powercapabilitycapability.

Tests (design is not limited topresented values):presented values):

• 480 Watts Multipaction Free• 480 Watts Corona Free• 200 Watts CW Power Handling

March ‘09 56


PRESELECT / BAND-PASS FILTERS


Used to reject the high level transmit signals withminimum loss and distortion to the receive signals.minimum loss and distortion to the receive signals.

Suitable in all bands.

Design is customizable.g

Interfaces may be Coax or WG.

BPF: Rectangular WG filter.g

LPF: Corrugated ridge WG.

March ‘09 57


HIGH SELECTIVITY PRESELECT FILTERS


Customizable design against particular requirements.

BPF: high order (19) WG stage with cross-coupling for High Rejection(up to 140 dB).

LPF rejecting 14 – 31 GHz.

March ‘09 58



DUAL-MODE FILTERS (CHANNEL FILTERS)


( )

Customizable design.

Dual mode pseudo-elliptic filter.

Thermal Compensation Techniques.


Low Pass Stage.

March ‘09 59


DIRECTIONAL FILTERS


Customizable designCustomizable design.

Direct Path (WG) operates in BroadBandBand

A Narrow Band Channel is filtered outfrom the Direct Signal towards the Coupledg pPort (Coaxial).

Filtering is done by means of circularWG filtWG filter.

Thermal Compensation Techniques areused for better stability with temperature inused for better stability with temperature inthe filtered path.

March ‘09 60


BAND-STOP FILTERS


Band-Stop response achieved with a reflective approach to provide a relativebandwidth of 1 5% (BW of the rejected band)bandwidth of 1.5% (BW of the rejected band).

Reflective approach is based on a Septum Polarizer, a TE111 CP Bandpass Filter anda Load. The S11 of the Bandpass Filter is the S21 of the BandStop Filter.11 p 21 p

Thermal stabilization with Super-Invar (± 2 MHz frequency shift for -20ºC/ +70ºC)

March ‘09 61


PAYLOAD AND TT&C MULTIPLEXERS

March ‘09 62


S-BAND HIGH POWER DIPLEXERS


Customized designs against particular specifications. Scalable to other bands.Stood up configuration for reduced footprint.

Isolation up to 90 dB / Low insertion losses.

CW Power Handling ≥ 1.7 KW

Multipaction ≥ 3.5 KWpk (49%)

PIM ≤ -130 dBm (2 carriers of 500 W)

March ‘09 63


MEDIUM POWER DIPLEXERS


Customized designs are done againstparticular specifications (slide gives detail onparticular developed example).pa t cu a de e oped e a p e)

Band pass stages in coaxial cavitiestechnology.

Low pass stages to provide rejection up to18 GHz.

Corona up to 40 Watts w/o dischargeCorona up to 40 Watts w/o discharge.

Multipaction up to 120 Watts w/o discharge.

CW Power Handling up to 40 wattsCW Power Handling up to 40 watts.

March ‘09 64


TRIPLEXERS


Many different triplexers and diplexers are integrated as feeding sectionfor antennas when signal discrimination is requiredfor antennas, when signal discrimination is required.

Different filter technologies are applied in dependence of the electricalrequirements.q

March ‘09 65


Ku BAND OUTPUT MULTIPLEXER


Qualified design (1999) based on traditional technology (INVAR dual modefilters)filters).

Currently working on a ambitious internal R&D program to qualify an OMUXthermally compensated fully manufactured in Aluminumthermally compensated, fully manufactured in Aluminum.

March ‘09 66


PAYLOAD AND TT&C BUTLER MATRICES, SPLITTERS, COMBINERS, TEST COUPLERS, ADAPTERSCOMBINERS, TEST COUPLERS, ADAPTERS

March ‘09 67


BEAM FORMING NETWORKS


Design is fully customizable againstparticular Customer requirements.

Waveguide, Bar-line or Micro-striptechnology can be used depending ontechnology can be used depending onpower handling requirements andoperating frequencies.

March ‘09 68


BUTTLER 8 x 8 HIGH POWER MATRIX


Typical input power of 27 Watts per port (output combined power of 216 Watts) with a lowmass design (2 Kg). A high power level ONET is also under qualification with a maximumcombined power level of 320 Watts (2 5 Kg)combined power level of 320 Watts (2.5 Kg).

Very low PIM design (<-140 dBc).

Design in two layers (inputs and outputs in opposite planes)Design in two layers (inputs and outputs in opposite planes).

Possibility to integrate test couplers and/or rejection filters at input or output ports.

March ‘09 69


SPLITTERS AND COMBINERS


Microstrip or Barline technology used depending on power requirements.

Fully customized designs.

March ‘09 70


PASSIVE NETWORK ASSEMBLIES


WG or Barline technology, depending theoperating bandoperating band.

Customized assemblies including couplersand filters. Example:

Advantages:M S i• Mass Saving

• Footprint Saving• Design for optimum S/C arrangement

March ‘09 71

g p g


HYBRIDS AND DIRECTIONAL COUPLERS


Branch Guide Technology. gy

Customized design for specific coupling values.

Existing heritage designs for Wide Band and Narrow Band.

March ‘09 72


WAVEGUIDE TEST COUPLERS


Aperture Couplers: Moreno cross-guideAperture Couplers: Moreno cross guidetype.

Provided with WG or Coaxial I/F for anytport.

Design can be scaled to any band(from L Band to Ka Band).

Very High Power Handling Capability (avg,multipaction, corona…).

Manufactured as one single piece ofAluminum.

No soldering process used.No soldering process used.

No PIM occurrence risk.

March ‘09 73


COAXIAL TEST COUPLERS AND ADAPTERS


Qualified Test couplers in low bands in Square Coaxial Technology.

WG to Coax Adapters in all bands and with different WG I/F (e.g. ¼ ht, ½ht). Large operating bandwidth design.

March ‘09 74

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