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IQ Mixers RF Microwave Millimeter Wave High Frequency Radio
ʻO Microwave Mixers kahi ʻano hui like ʻole i loaʻa i ʻelua mau ala hōʻailona hoʻohui i kapa ʻia "In-phase" (I) a me "Quadrature" (Q). Penei kona mau ano.
1. Hāʻawi i ka ʻike o ka pae a me ka amplitude: Ma muli o ka hoʻokomo ʻia ʻana o nā kahawai I a me Q, hiki i ka mea hoʻohui radio frequency IQ ke hāʻawi i nā ʻike ʻelua a me ka amplitude o ka hōʻailona. He mea koʻikoʻi kēia no nā ʻōnaehana kamaʻilio kelepona a me nā kaʻina modulation a me demodulation.
2. E hoʻomaopopo i ka hana hōʻailona orthogonal: ʻO nā kahawai I a me Q o nā hui hui RF hiki ke hana i nā hōʻailona orthogonal, ʻo ia hoʻi, nā hōʻailona me kahi ʻokoʻa o ka pae o 90 degere. Hoʻohana nui kēia i ka mea hoʻohui lekiō i nā ʻenehana modulation a me demodulation, e like me ka orthogonal frequency division multiple access (OFDM) a me ka quadrature amplitude modulation (QAM).
3. Hoʻemi ʻia ka hoʻolohe hoʻolohe: hiki i ka hui hui IQ ke hoʻokaʻawale i ka hōʻailona a me ke ʻano o ka hoʻopili ʻana ma muli o ka hoʻokomo ʻana o ʻelua mau ala hoʻohui. ʻO kēia ka mea hiki iā ia ke pale aku i ke keakea eavesdropping.
4. Kiʻekiʻe dynamic range: Ma muli o ka hoʻohana ʻana i ʻelua awāwa, ʻo nā hui hui IQ maʻamau i kahi kiʻekiʻe kiʻekiʻe e hiki ai ke hoʻokō i nā noi hoʻoili hōʻailona koi.
Hoʻohana pinepine ʻia ka IQ mixer ma nā ʻano aʻe:
1.Nūnaewele kamaʻilio kelepona ʻole: Hoʻohana nui ʻia ka millimeter wave mixer i nā ʻōnaehana kamaʻilio uea, me nā ʻōnaehana kelepona kelepona, nā ʻōnaehana kelepona ukali a me nā ʻupena kūloko kūloko. Hoʻohana ʻia ia e demodulate i ka hōʻailona i loaʻa, hoʻololi i ka hōʻailona i hoʻouna ʻia, a ʻike i ka demodulation, modulation a me ka hoʻololi pinepine ʻana o ka hōʻailona.
2.Modem: ʻO nā huila IQ nā mea nui i loaʻa maʻamau i nā modem i hoʻohana ʻia no ka hoʻohui ʻana i nā hōʻailona baseband i ka laulā RF no ka hoʻouna ʻana, a i ʻole e hui pū i nā hōʻailona RF i loaʻa i ka baseband no ka demodulation.
3.High-speed data transmission: No ka mea hiki i nā hui hui IQ ke hoʻopaʻa i nā hōʻailona orthogonal, loaʻa iā lākou nā noi koʻikoʻi i ka hoʻoili ʻikepili kiʻekiʻe. No ka laʻana, i nā ʻōnaehana kamaʻilio optical a me nā kamaʻilio kikohoʻe kiʻekiʻe, ka modulation QAM a me ka demodulation me ka hoʻohana ʻana i nā hui IQ hiki ke hiki ke hoʻouna i ka ʻikepili kiʻekiʻe a me ka nui.
4.Carrier interference analysis: Hiki ke hoʻohana ʻia nā huila IQ no ka nānā ʻana i ka hoʻopili ʻana i ka mea lawe, hiki ke kōkua i ka hoʻoholo ʻana i ke kumu o ke keakea a hoʻopau i ka hoʻopili ʻana ma ke ana ʻana a me ka nānā ʻana i ka ʻikepili a me ka amplitude o ka hōʻailona.
KaʻaleʻaleʻaHāʻawi ʻo Inc. i nā hana hui IQ mai 1.75 a i 26GHz.
Helu Mahele | RF Frequency(GHz, min.)  | RF Frequency(GHz, Max.) | LO Ka pinepine(GHz, min.) | LO Ka pinepine(GHz, Max.) | LO Mana Hookomo(dBm) | IF Ka pinepine(GHz, min.) | IF Ka pinepine(GHz, Max.) | Nalo hoohuli(dB Max.) | LO & RF Kaawale(dB) | LO & IF Kaawale(dB) | RF& IF Kaawale(dB) | Mea hoʻohui | Ka Manawa (Weeks) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| QIM-1750-5000 | 1.75 | 5 | 1.75 | 5 | 17 | DC | 2 | 10 | 38 | 40 | 30 | SMA wahine | 2~4 |
| QIM-6000-10000 | 6 | 10 | 6 | 10 | 15 | DC | 3.5 | 9 | 40 | 25 | 35 | SMA wahine | 2~4 |
| QIM-6000-26000 | 6 | 26 | 6 | 26 | 18 | DC | 6 | 12 | 35 | 30 | 30 | SMA wahine | 2~4 |
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