K-BAND PASSIVE COMPONENTS Space Qualified Coaxial and WR51 Isolators, Circulators and Iso-adapters, Waveguide Loads and Microstrip Isolators
2021-11-11
●K-Band Passive Components:
Smiths Interconnect's broad range of K-Band passive components are specifically designed for satellite communication payloads in GEO/MEO and LEO orbits.
The devices are optimised to operate over broad assigned frequency bands. Product screening and qualification are conducted in-house using our comprehensive suite of test facilities including thermal shock and cycling, sine/random vibration, mechanical shock and, where appropriate, CW and peak power under TVAC, critical power and seeded multipaction. Summary and qualification data reports are available to prospective customers.
Waveguide devices are supplied in Aluminium housings with a standard clear passivation coating or precious metal plating. High power devices can be supplied with low emissivity black paint finish if desired. In addition to waveguide isolators, circulators, terminations, transitions, hybrids and integrated multi-function assemblies operating in frequency ranges from S to V-band, Smiths Interconnect designs and manufactures coaxial, stripline and microstrip space qualified isolators, circulators and terminations operating in assigned bands from UHF to Ka-band for coaxial and from S to Ka bands for microstrip components.
●Features & Benefits:
■Broad range of space qualified passive productsavailable with qualification data
■Broadband requiring fewer part options to address the allocated frequency band
■Temperature stable and multipaction free waveguide isolators and circulators and terminations
■Waveguide are available in several variants (circulation, flange detail etc) while coaxial isolators and circulators are available with any combination of connector commensurate with the body style.
■In-house facilities for average, multipaction, critical power, mechanical-shock and sine/random vibration environmental stress
■Sample data and test reports available to assist the design and qualification process
●Compact In-line 2.92mm to WR51 Transition:
The 19TM107 is a compact in-line 2.92mm to WR51 transition. The internal structure employs a shorted pin to provide a zero Ohm DC bleed path. The transition was designed to be used in generic applications aboard GEO/MEO payloads and has been qualified in-house by Smiths Interconnect and supplied for spaceflight. Key design performance goals were electrical performance over a wide operating bandwidth and operating temperature range. Quoted performance levels are guaranteed under worst case operating conditions. The transition has been used in filter, INET and power combiner applications.
●Orthogonal High Power SMA to WR51 Transition:
The 19TM106 is a compact orthogonal SMA to WR51 transition. The internal structure employs a shorted pin to provide a zero Ohm DC bleed path and optimal thermal path. The transition was designed to be used in generic applications aboard GEO/MEO payloads and has been qualified in house by Smiths Interconnect and supplied for spaceflight. Key design performance goals were electrical performance over a wide operating bandwidth and a wide operating temperature range. Quoted performance levels are guaranteed under worst case operating conditions. The transition has been used in filter, INET and power combiners applications.
●Low Power WR51 Circulator:
The 19CD328 is a low power circulator designed specifically for waveguide demultiplexers (channel droppers) and is arranged mechanically so that these devices can be cascaded to suit the number of channels required. This circulator used in conjunction with a compact termination allows maximum flexibility to create an isolator with the loaded port selected to suit the designer’s mechanical constraints. Quoted performance levels are guaranteed under worst case operating conditions. The device can be supplied with flange details to suit specific user requirements
●SMA to WR51 Isolating Transition (iso-adapter):
The 19HD353 is a compact isolated transition or iso-adapter. The part features a 2.92mm connector where the centre contact is shorted to ground to provide a zero Ohm DC bleed path. The isolation is achieved using a waveguide isolator to provide minimum insertion loss. The transition was designed to be used in the filter system applications aboard GEO/MEO payloads and has been qualified in house by Smiths Interconnect and supplied for spaceflight. The key design performance goal was superior electrical performance over a wide operating bandwidth. Quoted performance levels are guaranteed under worst case operating conditions. The 19HD353 is available as the 19HD352 with the opposite direction of circulation.
●Broadband, Medium Power WR51 Isolator:
The 19HD358 was designed to be used on the output of a TWTA employed in the transmission network of a GEO/MEO payload and following qualification by Smiths Interconnect that included multipaction testing, has been supplied for spaceflight. Key design performance goals were power handling, thermal stability and operating bandwidth with quoted performance levels being that guaranteed under worst case operating conditions. The isolator uses a variation of the junction employed in the 19HD359 and employs a load based on the 19TE111.
●High Power WR51 Circulator:
The 19CD359 was designed to be used in the transmission network of a GEO/MEO payload. Smiths Interconnect has qualified the device including multipaction and the circulator has been supplied for spaceflight. Key design performance goals were power handling, thermal stability and operating bandwidth with quoted performance levels guaranteed under worst case operating conditions. The circulator was designed to be used in conjunction with a remote WR19 termination (such as the 19TE110). The mechanical mounting arrangement, direction of circulation and flange details can be adapted to meet specific customer requirements.
●High Power WR51 Load:
The 19TE110 was designed to be used in the transmission network of a GEO/MEO payload and has qualified, including multipaction, and supplied for spaceflight. Key design performance goals were power handling, thermal stability and operating bandwidth with quoted performance levels guaranteed under worst case operating conditions. The circulator was designed to be used in conjunction with a WR51 junction circulator (such as the 19CD359). The mechanical mounting arrangements can be customized to suit specific cold plate mounting pitches. Please note the power handling of this device is dependent on the thermal capacity on the cold plate on which it is mounted.
●High Power WR51 Load
The 19TE111 was designed to be used in the transmission network of a GEO/MEO payload. It has been qualified including multipaction. Key design performance goals were power handling, thermal stability and operating bandwidth with quoted performance levels guaranteed under worst case operating conditions. The termination was designed to be used in conjunction with a WR51 junction circulator. The mechanical mounting arrangements can be customized to suit specific cold plate mounting pitches. Please note the power handling of this device is dependent on the thermal capacity of the cold plate on which it is mounted.
●Full Band Low Power WR51 Termination:
The 19TE109 was designed for generic applications aboard GEO/MEO/LEO payloads. It has been qualified by Smiths Interconnect and supplied for spaceflight. Key design performance goals were electrical performance over a wide operating bandwidth and temperature range. Quoted performance levels are guaranteed under worst case operating conditions. The termination was designed to be used in conjunction with WR51 low power junction circulators, on waveguide switch assemblies and to terminate 3dB hybrids
●Low-Power 2.9mm Coaxial Isolator
The I178202/J was designed to be used in a beam forming network aboard a LEO payload. It is in the process of being qualified. Key performance requirements included mechanical footprint, operating bandwidth over which the electrical performance had to maintained and the 2.9mm interfaces. The product is designed to produced in high volume at low cost.
●Low Power Miniature Microstrip Isolator
The I178202/H was designed to be used in a LEO beam forming network. It has been qualified but not yet supplied for spaceflight. Key performance requirements included electrical performance in a footprint approximately 50% smaller than a product optimised for electrical performance. This device features a microstrip interface and is ideal for hybrid construction. It must be wire bonded into the user’s circuit.
●Low Power Microstrip Isolator:
The I177220/H was designed to for the output of a K-band LNA. It has been qualified and supplied for spaceflight. Key performance requirements included operating bandwidth and electrical performance. This device features a microstrip interface and is ideal for hybrid construction. It must be wire bonded into the user’s circuit.
●Flanged Low Profile Microstrip Isolator:
The I255270/A was designed to provide interstage isolation in an SSPA used aboard a deep space probe. It has been qualified and supplied for spaceflight. Key performance requirements included device height (<2.5mm) and power handling performance. This device features a microstrip interface and is ideal for hybrid construction. It must be wire bonded into the user’s circuit.
●SMA Low-Power Circulator:
The C173202/C was designed to be used in a K-Band filter application used aboard a GEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included mechanical footprint, operating bandwidth, and a unique SMA barrel length. At only 10mm thick the device is the thinnest coaxial device Smiths Interconnect produces made possible using in-house connectors that are machined to be integral with the stainless-steel housing. This device is also available as an isolator.
●SMA Low-Power Isolator:
The I233236/A was designed to be used in an experimental inter-satellite link aboard a LEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included mechanical footprint, operating performance and SMA interfaces. Smiths Interconnect SMA connectors are designed to be suitable to 26GHz and in this case the SMA connector is machined to be integral with the stainless-steel housing.
●Broadband Low-Power SMA to Bulkhead SSMA Isolator:
The I173220/A was designed to be used on the output of a Ka to K-Band converter used aboard a GEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included mechanical footprint and electrical performance over the operating bandwidth. Smiths Interconnect SMA connectors are designed to be suitable to 26GHz and in this case the SMA connector is machined to be integral with the stainless-steel housing. The SMP is a half détente male type designed by Smiths Interconnect. This device is available in several variants centred in X, Ku, and K-bands.
●SMA to 0.38mm Socket Bulkhead Isolator:
The I190220/B was designed to be used on the output of a Ka to K-Band converter used aboard a GEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included mechanical footprint, electrical performance, and the unique requirement to have a zero Ohm DC bleed path. Smiths Interconnect SMA connectors are designed to be suitable to 26GHz and in this case the SMA connector is machined to be integral with the stainless-steel housing. This device is available in a number variants each with 3GHz of operating bandwidth.
●SMA to WR51 (or WR42) Iso-Adapter:
The I190220/A was designed to be used on the output of a Ka to K-Band converter used aboard a GEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included mechanical footprint, electrical performance, and inline launch to the WR42 (or WR51) interface. Smiths Interconnect SMA connectors are designed to be suitable to 26GHz and in this case the SMA connector is machined to be integral with the stainless-steel housing. This device is available in a number K-Band variants each with 3GHz of operating bandwidth.
●SMA Low-Power Isolator:
The I173220/C was designed to be used on the output of a Ka to K-Band converter used aboard a GEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included mechanical footprint and operating bandwidth. Smiths Interconnect SMA connectors are designed to be suitable to 26GHz and in this case the SMA connector is machined to be integral with the stainless-steel housing. This device is available in several variants centred in X, Ku, and K-bands.
●Microstrip Low-Power Isolator:
The I235240/A was designed to be used in an experimental inter satellite link aboard a LEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included low mass and electrical performance. This device features a microstrip interface and is ideal for hybrid construction. It must be wire bonded into the user's circuit.
Smiths Interconnect's broad range of K-Band passive components are specifically designed for satellite communication payloads in GEO/MEO and LEO orbits.
The devices are optimised to operate over broad assigned frequency bands. Product screening and qualification are conducted in-house using our comprehensive suite of test facilities including thermal shock and cycling, sine/random vibration, mechanical shock and, where appropriate, CW and peak power under TVAC, critical power and seeded multipaction. Summary and qualification data reports are available to prospective customers.
Waveguide devices are supplied in Aluminium housings with a standard clear passivation coating or precious metal plating. High power devices can be supplied with low emissivity black paint finish if desired. In addition to waveguide isolators, circulators, terminations, transitions, hybrids and integrated multi-function assemblies operating in frequency ranges from S to V-band, Smiths Interconnect designs and manufactures coaxial, stripline and microstrip space qualified isolators, circulators and terminations operating in assigned bands from UHF to Ka-band for coaxial and from S to Ka bands for microstrip components.
●Features & Benefits:
■Broad range of space qualified passive productsavailable with qualification data
■Broadband requiring fewer part options to address the allocated frequency band
■Temperature stable and multipaction free waveguide isolators and circulators and terminations
■Waveguide are available in several variants (circulation, flange detail etc) while coaxial isolators and circulators are available with any combination of connector commensurate with the body style.
■In-house facilities for average, multipaction, critical power, mechanical-shock and sine/random vibration environmental stress
■Sample data and test reports available to assist the design and qualification process
●Compact In-line 2.92mm to WR51 Transition:
The 19TM107 is a compact in-line 2.92mm to WR51 transition. The internal structure employs a shorted pin to provide a zero Ohm DC bleed path. The transition was designed to be used in generic applications aboard GEO/MEO payloads and has been qualified in-house by Smiths Interconnect and supplied for spaceflight. Key design performance goals were electrical performance over a wide operating bandwidth and operating temperature range. Quoted performance levels are guaranteed under worst case operating conditions. The transition has been used in filter, INET and power combiner applications.
●Orthogonal High Power SMA to WR51 Transition:
The 19TM106 is a compact orthogonal SMA to WR51 transition. The internal structure employs a shorted pin to provide a zero Ohm DC bleed path and optimal thermal path. The transition was designed to be used in generic applications aboard GEO/MEO payloads and has been qualified in house by Smiths Interconnect and supplied for spaceflight. Key design performance goals were electrical performance over a wide operating bandwidth and a wide operating temperature range. Quoted performance levels are guaranteed under worst case operating conditions. The transition has been used in filter, INET and power combiners applications.
●Low Power WR51 Circulator:
The 19CD328 is a low power circulator designed specifically for waveguide demultiplexers (channel droppers) and is arranged mechanically so that these devices can be cascaded to suit the number of channels required. This circulator used in conjunction with a compact termination allows maximum flexibility to create an isolator with the loaded port selected to suit the designer’s mechanical constraints. Quoted performance levels are guaranteed under worst case operating conditions. The device can be supplied with flange details to suit specific user requirements
●SMA to WR51 Isolating Transition (iso-adapter):
The 19HD353 is a compact isolated transition or iso-adapter. The part features a 2.92mm connector where the centre contact is shorted to ground to provide a zero Ohm DC bleed path. The isolation is achieved using a waveguide isolator to provide minimum insertion loss. The transition was designed to be used in the filter system applications aboard GEO/MEO payloads and has been qualified in house by Smiths Interconnect and supplied for spaceflight. The key design performance goal was superior electrical performance over a wide operating bandwidth. Quoted performance levels are guaranteed under worst case operating conditions. The 19HD353 is available as the 19HD352 with the opposite direction of circulation.
●Broadband, Medium Power WR51 Isolator:
The 19HD358 was designed to be used on the output of a TWTA employed in the transmission network of a GEO/MEO payload and following qualification by Smiths Interconnect that included multipaction testing, has been supplied for spaceflight. Key design performance goals were power handling, thermal stability and operating bandwidth with quoted performance levels being that guaranteed under worst case operating conditions. The isolator uses a variation of the junction employed in the 19HD359 and employs a load based on the 19TE111.
●High Power WR51 Circulator:
The 19CD359 was designed to be used in the transmission network of a GEO/MEO payload. Smiths Interconnect has qualified the device including multipaction and the circulator has been supplied for spaceflight. Key design performance goals were power handling, thermal stability and operating bandwidth with quoted performance levels guaranteed under worst case operating conditions. The circulator was designed to be used in conjunction with a remote WR19 termination (such as the 19TE110). The mechanical mounting arrangement, direction of circulation and flange details can be adapted to meet specific customer requirements.
●High Power WR51 Load:
The 19TE110 was designed to be used in the transmission network of a GEO/MEO payload and has qualified, including multipaction, and supplied for spaceflight. Key design performance goals were power handling, thermal stability and operating bandwidth with quoted performance levels guaranteed under worst case operating conditions. The circulator was designed to be used in conjunction with a WR51 junction circulator (such as the 19CD359). The mechanical mounting arrangements can be customized to suit specific cold plate mounting pitches. Please note the power handling of this device is dependent on the thermal capacity on the cold plate on which it is mounted.
●High Power WR51 Load
The 19TE111 was designed to be used in the transmission network of a GEO/MEO payload. It has been qualified including multipaction. Key design performance goals were power handling, thermal stability and operating bandwidth with quoted performance levels guaranteed under worst case operating conditions. The termination was designed to be used in conjunction with a WR51 junction circulator. The mechanical mounting arrangements can be customized to suit specific cold plate mounting pitches. Please note the power handling of this device is dependent on the thermal capacity of the cold plate on which it is mounted.
●Full Band Low Power WR51 Termination:
The 19TE109 was designed for generic applications aboard GEO/MEO/LEO payloads. It has been qualified by Smiths Interconnect and supplied for spaceflight. Key design performance goals were electrical performance over a wide operating bandwidth and temperature range. Quoted performance levels are guaranteed under worst case operating conditions. The termination was designed to be used in conjunction with WR51 low power junction circulators, on waveguide switch assemblies and to terminate 3dB hybrids
●Low-Power 2.9mm Coaxial Isolator
The I178202/J was designed to be used in a beam forming network aboard a LEO payload. It is in the process of being qualified. Key performance requirements included mechanical footprint, operating bandwidth over which the electrical performance had to maintained and the 2.9mm interfaces. The product is designed to produced in high volume at low cost.
●Low Power Miniature Microstrip Isolator
The I178202/H was designed to be used in a LEO beam forming network. It has been qualified but not yet supplied for spaceflight. Key performance requirements included electrical performance in a footprint approximately 50% smaller than a product optimised for electrical performance. This device features a microstrip interface and is ideal for hybrid construction. It must be wire bonded into the user’s circuit.
●Low Power Microstrip Isolator:
The I177220/H was designed to for the output of a K-band LNA. It has been qualified and supplied for spaceflight. Key performance requirements included operating bandwidth and electrical performance. This device features a microstrip interface and is ideal for hybrid construction. It must be wire bonded into the user’s circuit.
●Flanged Low Profile Microstrip Isolator:
The I255270/A was designed to provide interstage isolation in an SSPA used aboard a deep space probe. It has been qualified and supplied for spaceflight. Key performance requirements included device height (<2.5mm) and power handling performance. This device features a microstrip interface and is ideal for hybrid construction. It must be wire bonded into the user’s circuit.
●SMA Low-Power Circulator:
The C173202/C was designed to be used in a K-Band filter application used aboard a GEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included mechanical footprint, operating bandwidth, and a unique SMA barrel length. At only 10mm thick the device is the thinnest coaxial device Smiths Interconnect produces made possible using in-house connectors that are machined to be integral with the stainless-steel housing. This device is also available as an isolator.
●SMA Low-Power Isolator:
The I233236/A was designed to be used in an experimental inter-satellite link aboard a LEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included mechanical footprint, operating performance and SMA interfaces. Smiths Interconnect SMA connectors are designed to be suitable to 26GHz and in this case the SMA connector is machined to be integral with the stainless-steel housing.
●Broadband Low-Power SMA to Bulkhead SSMA Isolator:
The I173220/A was designed to be used on the output of a Ka to K-Band converter used aboard a GEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included mechanical footprint and electrical performance over the operating bandwidth. Smiths Interconnect SMA connectors are designed to be suitable to 26GHz and in this case the SMA connector is machined to be integral with the stainless-steel housing. The SMP is a half détente male type designed by Smiths Interconnect. This device is available in several variants centred in X, Ku, and K-bands.
●SMA to 0.38mm Socket Bulkhead Isolator:
The I190220/B was designed to be used on the output of a Ka to K-Band converter used aboard a GEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included mechanical footprint, electrical performance, and the unique requirement to have a zero Ohm DC bleed path. Smiths Interconnect SMA connectors are designed to be suitable to 26GHz and in this case the SMA connector is machined to be integral with the stainless-steel housing. This device is available in a number variants each with 3GHz of operating bandwidth.
●SMA to WR51 (or WR42) Iso-Adapter:
The I190220/A was designed to be used on the output of a Ka to K-Band converter used aboard a GEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included mechanical footprint, electrical performance, and inline launch to the WR42 (or WR51) interface. Smiths Interconnect SMA connectors are designed to be suitable to 26GHz and in this case the SMA connector is machined to be integral with the stainless-steel housing. This device is available in a number K-Band variants each with 3GHz of operating bandwidth.
●SMA Low-Power Isolator:
The I173220/C was designed to be used on the output of a Ka to K-Band converter used aboard a GEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included mechanical footprint and operating bandwidth. Smiths Interconnect SMA connectors are designed to be suitable to 26GHz and in this case the SMA connector is machined to be integral with the stainless-steel housing. This device is available in several variants centred in X, Ku, and K-bands.
●Microstrip Low-Power Isolator:
The I235240/A was designed to be used in an experimental inter satellite link aboard a LEO payload. It has been qualified and supplied for spaceflight. Key performance requirements included low mass and electrical performance. This device features a microstrip interface and is ideal for hybrid construction. It must be wire bonded into the user's circuit.
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