Substrate integrated waveguide E‐plane tapering in low‐temperature co‐fired ceramic

Haarla, Jaakko; Ala‐Laurinaho, Juha; Lahti, Markku; Viikari, Ville

doi:10.1002/mop.32740

Cited by 1 publication

(6 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The measured response was 1.4 GHz higher than the simulated one. Similar frequency shift in LTCC structures have been observed previously [13], [15]. Upward frequency shift could imply a lower effective dielectric constant compared to the design value.…”

Section: Measurementssupporting

confidence: 81%

“…2b). An internal stepped E-plane tapering described in [13] is introduced to reduce the SIW height. This allows for an efficient transmission line transition from SIW to a GCPW of the same height.…”

Section: Proposed Structures For In-line Integration Of Vector Modulatormentioning

confidence: 99%

“…The Eplane transition is implemented with λ g /4 transformers where λ g is a wavelength inside the SIW. The E-plane transition is reported in greater detail in [13]. Three separate prototypes are designed, manufactured, and tested.…”

Section: Proposed Structures For In-line Integration Of Vector Modulatormentioning

confidence: 99%

“…The proposed design uses end-fire connections to interface a SIW with the existing dielectric-waveguide design [10]. Inside the IC-integration module, the full-height SIW is narrowed down to a thin one using E-plane tapering [13], and a SIW to grounded co-planarwaveguide (GCPW) transition is used to accommodate wire bonding for the IC integration. The prototype is designed to be approximately λ 0 /2 wide in free space including realistic waveguide-wall thickness.…”

Section: Introductionmentioning

confidence: 99%

“…A single-channel module is designed, manufactured, and measured. The design utilizes previous work based on former research by the authors [10], [13], [15], [16]. This paper presents the measurement results for the single channel model.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

In-Line Vector Modulator Integration in Dielectric-Filled Waveguide

Haarla

Ala‐Laurinaho

Lahti

et al. 2023

IEEE Trans. Compon., Packag. Manufact. Technol.

View full text Add to dashboard Cite

This paper proposes a scalable substrate-integrated waveguide (SIW) module accommodating an in-line vector modulator monolithic millimeter integrated circuit (MMIC). The SIW module is realized with low-temperature co-fired ceramic (LTCC) technology, and it can be inserted in a dielectric-filled waveguide (DFWG). The module combines λg/4-transformerbased E-plane tapering and SIWs on LTCC with the wirebonded vector modulator. The proposed active LTCC module and two passive test structures (i.e., a constant-height-SIW module and a SIW module with E-plane taperings) are manufactured and tested as in-line modules in a DFWG. The passive test structures with the waveguide-to-DFWG and DFWG-to-SIW transitions measure 3.1 dB and 4.6 dB of insertion loss on average, respectively, at the 71-81 GHz frequency range. The active LTCC module measurements demonstrate a dielectricfilled waveguide with phase and amplitude tuning capability and gain up to 17.6 dB within the same frequency range. A fourchannel mock-up module with λ0/2 channel spacing is designed and manufactured to demonstrate the scalability of the design.

show abstract

Section: Measurementssupporting

confidence: 81%

Section: Proposed Structures For In-line Integration Of Vector Modulatormentioning

confidence: 99%

Section: Proposed Structures For In-line Integration Of Vector Modulatormentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%