高通射频调试步骤RFquancomm QRCT SOP精选

1、GSM WCDMA TX&RX,SOP,2009,11 26,jiang tong-kuai,Innovating Customer Value,2,GSM,TX,修謢步驟,Innovating Customer Value,3,GSM TX QRCT,設定步驟,1,將手機開機,連接到,aglient,2,插上,USB,3,打開,QPST,確定電腦有抓,到手機,Innovating Customer Value,4,Step 1,執行,QRCT,拉下,COM Port,如果,有抓到手機,則可以選,COM,Innovating Customer Value,5,Step 2,選,FTM,Inno

2、vating Customer Value,6,Step 3,因為是量測,GSM,所以選,GSM,的,main controls,Innovating Customer Value,7,Step 4,依照左方步,驟設定,Innovating Customer Value,8,GSM,TX,Agilent,設定步驟,1,1,按,screen,左方的,F2,選,GSM/GPRS,Innovating Customer Value,9,Step 2,1,按,F1,2,選,GSM,BCH+TCH,Innovating Customer Value,10,Step 3,1,按,F8,選,GSM850,2

3、,按,F9,選頻率,3,按,F10,選,5,這裡的頻率和,channel,要和,GSM,TX QRCT,設定步驟,的,Step 4,裡左方填,的值一樣,Innovating Customer Value,11,Step 4,按,screen,下方的,measurement,再選,Trandmit,Power,Innovating Customer Value,12,Step,5,所的設定完後會出,現約,32dBm,的功率,如果,GSM850,EGSM,功率小於,30,則有問題,DCS,PCS,功率小,於,28,則有問題,Innovating Customer Value,13,GSM,TX,t

4、race,當由,agilent,量測出,發現功率不,對時,此時需要一台頻譜量測儀,對,GSM,的,TX,路徑由下向上一,步一步量,當有一元件兩端的功率差異過,大,則為該元件發生問題,Innovating Customer Value,14,GSM,RX,修謢步驟,Innovating Customer Value,15,GSM RX QRCT,設定,同,GSM TX QRCT,設定步驟的,step 1, step2,step3,Innovating Customer Value,16,LNA Range,選,0,可以把,RX,的,LNA,開到最大,Innovating Customer Val

5、ue,17,GSM,RX,Agilent,設定步驟,1,在,GSM,模式下,按,F1,選,CW,Innovating Customer Value,18,1,按,F7,調大功率,2,按,F8,調和,QRCT,的,RX,一樣的頻率,Innovating Customer Value,19,由,Agilent,打出功率,所以頻譜量測儀要從接頭向,RFR,量過來,Innovating Customer Value,20,WCDMA,TX,修謢步驟,Innovating Customer Value,21,QPST,設定步驟,拉下,FTM,Command,選,WCDMA,Innovating Cust

6、omer Value,22,依左方步驟,設定,Innovating Customer Value,23,Agilent,設定步驟,按,F2,選,WCDMA,Innovating Customer Value,24,按,F12,設定頻率,Innovating Customer Value,25,按,F7,設定,channel,此處要和,QRCT,裡的,channel,相同,Innovating Customer Value,26,按,screen,下方的,measurement,選,thermal power,Innovating Customer Value,27,如果得到的功率小於,23dB

7、m,則電路可能有,問題,Innovating Customer Value,28,當由,agilent,量測出,發現功率不對時,此時需要一,台頻譜量測儀,對,WCDMA,的,TX,路徑由下向上一,步一步量,當有一元件兩端的功率差異過大,則為該元件發,生問題,Innovating Customer Value,29,WCDMA,RX,修謢步驟,Innovating Customer Value,30,QRCT,設定步驟,依照左方步驟設,定,Innovating Customer Value,31,Agilent,設定步驟,按,F1,選,CW,Innovating Customer Value,32,1,按