一区二区三区在线播放-欧美一区二区在线-亚洲一区二区三区在线-欧美一二区

自(zi)(zi)偏置低噪聲放(fang)大(da)器主(zhu)要(yao)針(zhen)對(dui)目前自(zi)(zi)偏置放(fang)大(da)器的噪音和增益頻帶寬度無(wu)法(fa)滿足各種(zhong)的問題。主(zhu)要(yao)包括兩級(ji)功率放(fang)大(da)電(dian)(dian)路，第一級(ji)功率放(fang)大(da)電(dian)(dian)路由功率電(dian)(dian)感L2組成、NMOS管M1、PMOS管M2、負(fu)反饋電(dian)(dian)阻(zu)值(zhi)R1與(yu)負(fu)載電(dian)(dian)源電(dian)(dian)路Z1相接(jie)；第一級(ji)功(gong)率(lv)(lv)放大(da)電(dian)(dian)(dian)路的輸出端連(lian)接(jie)第二級(ji)功(gong)率(lv)(lv)放大(da)電(dian)(dian)(dian)路，第二級(ji)功(gong)率(lv)(lv)放大(da)電(dian)(dian)(dian)路由(you)共源(yuan)NMOS管M3和匹(pi)配電(dian)(dian)(dian)阻R2組(zu)成(cheng)。該M1管、M2管和M3管用作(zuo)(zuo)提供電(dian)(dian)(dian)壓增益，負(fu)反饋電(dian)(dian)(dian)阻值R1和功(gong)率(lv)(lv)電(dian)(dian)(dian)感(gan)L2用作(zuo)(zuo)輸入特性阻抗(kang)，負(fu)載電(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)路Z1拓展增益頻帶寬度，匹(pi)配電(dian)(dian)(dian)阻R2用作(zuo)(zuo)輸出特性阻抗(kang)。

CHA3666-99F是(shi)款(kuan)兩(liang)級(ji)自偏置寬(kuan)帶單芯片低(di)噪聲放大器。

CHA3666-99F采用(yong)標準(zhun)PHEMT工(gong)藝技(ji)(ji)術(shu)：25um柵(zha)極(ji)長(chang)度(du)、穿(chuan)過襯底(di)的通(tong)孔、空氣橋和(he)電子束柵(zha)極(ji)光(guang)刻技(ji)(ji)術(shu)。

關鍵優點

寬帶性能：6-17GHZ

1.8db噪聲系數

26dbm三階截距點

1db壓縮時的17dbm功(gong)率

21db增益值

低直流電電額定功率

直流電(dian)偏(pian)置(zhi)電(dian)壓：Vd=4.0伏@ld=80MA

封裝尺寸(cun)1.47x1.47x0.1mm