A quasi-lumped ultra-broadband contiguous SSL-diplexer from DC to 80 GHz

Rehner, Robert; Sterns, Michael; Schneiderbanger, Dirk; Martius, Siegfried; Schmidt, Lorenz-Peter

doi:10.1109/mwsym.2009.5165877

Cited by 7 publications

(8 citation statements)

References 7 publications

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“…Therefore, the small shift in frequency of crossover and the observed deviations between simulation and measurement results are probably caused by manufacturing tolerances and marginal excitation of higher order modes. In Table , the achieved results for proposed diplexer are compared with respect to earlier works in References . All these works have been implemented using conventional Chebyshev low‐pass prototype while our design enjoys 13th order generalized Chebyshev as low‐pass channel and 13th order Chebyshev as high‐pass channel.…”

Section: Fabrication and Measurementmentioning

confidence: 99%

“…However, some contiguous and wideband multiplexers also have been proposed. In Reference , a contiguous planar diplexer in SSL technology with two channels from DC to 40 and 40‐80 GHz has been presented. This diplexer features rejection of around 30 dB at 40% away from crossover.…”

Section: Introductionmentioning

confidence: 99%

“…Figure demonstrates a contiguous diplexer combining of shunt low‐pass filter (LPF) and high‐pass filters connected with a common junction. To minimize reflections and obtain matched input, the complex input admittances, Y LPF and Y HPF of two filters should satisfy the equation below at all frequencies:

Y_{in} = Y_{LPF} + Y_{HPF} = Y_{0} .

…”

Section: Introductionmentioning

confidence: 99%

“…Considering purely real reference admittance Y 0 , the above condition can be separated into two following conditions:

Re ((), Y_{LPF}) + Re ((), Y_{HPF}) = Y_{0},

Im ((), Y_{LPF}) + Im ((), Y_{HPF}) = 0 .

…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

A wideband, sharp roll‐off U‐band diplexer in suspended stripline technology

Miri

Mohammadpour‐Aghdam

Miri

2019

Int J RF Mic Comp-Aid Eng

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This article presents a low‐loss, sharp roll‐off, and wideband millimeter‐wave contiguous diplexer implemented on 0.127‐mm‐thick TLY5 dielectric material to separate U‐band frequency range into two jointed frequency ranges of 40‐50 and 50‐60 GHz using two low‐pass and high‐pass filter channels. In order to integrate the diplexer in front end of a wideband millimeter‐wave down‐converter and evaluate the frequency response, the proposed diplexer is supported by three add‐on waveguide to suspended stripline transitions. The final design of diplexer consisting of a low‐pass filter with a cutoff frequency of 50 GHz, a pseudo‐high‐pass filter with crossover at 50 GHz, and a T‐junction is analyzed and optimized together with a three‐dimensional full‐wave simulator. The realized diplexer features a voltage standing wave ratio of 2.5:1 across the entire operation frequency band of 40‐60 GHz, low passband insertion loss of less than 2 dB in both channels, stopband rejection higher than 45 dB, and compact size with dimensions of 27 × 13 mm2 due to its intelligent and guided design and technology selection.

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Section: Fabrication and Measurementmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Y_{in} = Y_{LPF} + Y_{HPF} = Y_{0} .

…”

Section: Introductionmentioning

confidence: 99%

“…Considering purely real reference admittance Y 0 , the above condition can be separated into two following conditions:

Re ((), Y_{LPF}) + Re ((), Y_{HPF}) = Y_{0},

Im ((), Y_{LPF}) + Im ((), Y_{HPF}) = 0 .

…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A wideband, sharp roll‐off U‐band diplexer in suspended stripline technology

Miri

Mohammadpour‐Aghdam

Miri

2019

Int J RF Mic Comp-Aid Eng

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show abstract

“…In Ref. [16], a contiguous planar diplexer in SSL technology with two channels from DC to 40 GHz and 40 to 80 GHz has been presented. This diplexer features rejection of around 30 dB at 40% away from crossover.…”

Section: Introductionmentioning

confidence: 99%

A Wideband, Sharp Roll-Off U-Band Diplexer in Suspended Stripline Technology

Miri

Mohammadpour‐Aghdam

Miri

2023

International Journal of RF and Microwave Computer-Aided Engine

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This paper presents a low-loss, sharp roll-off, and wideband millimeter-wave contiguous diplexer implemented on 0.127 mm-thick TLY5 dielectric material to separate U-band frequency range into two jointed frequency ranges of 40-50 GHz and 50-60 GHz using two low-pass and high-pass filter channels. In order to integrate the diplexer in the front end of a wideband millimeter-wave down-converter and evaluate the frequency response, the proposed diplexer is supported by three add-on waveguide-to-suspended-stripline transitions. The final design of diplexer consisting of a low-pass filter with cut-off frequency of 50 GHz, a pseudo-high-pass filter with crossover at 50 GHz, and a T-junction is analyzed and optimized together with a 3D full-wave simulator. The realized diplexer features a VSWR of 2.5 : 1 across the entire operation frequency band of 40-60 GHz, low passband insertion loss of less than 2 dB in both channels, stopband rejection higher than 45 dB, and compact size with dimensions of 27 × 13 mm2 due to its intelligent and guided design and technology selection.

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Complementary diplexer

Song

Wang

2015

2015 16th International Conference on Electronic Packaging Technology (ICEPT)

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A quasi-lumped ultra-broadband contiguous SSL-diplexer from DC to 80 GHz

Cited by 7 publications

References 7 publications

A wideband, sharp roll‐off U‐band diplexer in suspended stripline technology

A wideband, sharp roll‐off U‐band diplexer in suspended stripline technology

A Wideband, Sharp Roll-Off U-Band Diplexer in Suspended Stripline Technology

Complementary diplexer

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