ABSTRAKSI: ABSTRAK
Sebuah power combiner 4:1 pada frekuensi 9,37 – 9,43 GHz untuk RADAR X-BAND telah dirancang dan direalisasikan. Power combiner Ini dibangun oleh potongan-potongan saluran transmisi mikrostrip yang berupa dua tingkat transformer λ/4 (two section quarter-wave transformer) dengan masing-masing impedansi karakteristiknya telah dihitung sehingga bisa match dengan saluran transmisi 50Ω.
Karena adanya penyimpangan dimensi ketika peng-etchingan sehingga power combiner ini hanya mampu menghasilkan Insertion Loss maksimum 11.241 dB pada port 3. Isolasi minimum sebesar -6,376 dB, Return Loss minimum sebesar 10,032 dB yakni dengan VSWR maksimum sebesar 1.919985.
Pada simulasi didapatkan nilai Insertion Loss maksimum 6,52966 dB. Isolasi minimum sebesar -19,5383 dB, Return Loss minimum sebesar 31,1418 dB yakni dengan VSWR maksimum sebesar 1.040045Kata Kunci : Power combiner , power divider, radar , antema arrayABSTRACT: ABSTRACT
A Power Combiner 4:1 at frequency of 9,37 - 9,43 GHz for RADAR X-Band have been designed and realized. This Power combiner woke up by cutting of transmissions channels microstrip which in the form of two-stages transformer λ/4 ( two section quarter-wave transformer) with each the characteristic impedance have been calculated so that match can with transmission channel of 50Ω.
Caused by deviation of dimension when peng-etchingan so that power this combiner only can yield Insertion Loss maximum 11.241 decibel at port 3. Insulation of a minimum of equal- 6,376 decibel, Return Loss a minimum of equal to 10,032 decibel namely with VSWR maximum equal to 1.919985.
At simulation got by value Insertion Loss maximum 6,52966 decibel. Insulation of a minimum of equal- 19,5383 decibel, Return Loss a minimum of equal to 31,1418 decibel namely with VSWR maximum equal to 1.040045Keyword: Power Combiner, Wilkinson