jack 插座；塞孔
jacket 套；外套
jagged 鋸齒狀的
jagged line 鋸齒狀線
jamming 干擾；干擾雜音
jamming margin [ 人為]干擾極限
jaw, bottom-centering 下定中爪
jaw, centering 定中爪
jaw, top-centering 上定中爪
jitter 抖動(dòng)
jitter, horizontal 水平抖動(dòng)
jitter, phase 相位抖動(dòng)
jitter, timing 時(shí)序抖動(dòng)
jitter, vertical 垂直抖動(dòng)
job transfer and management (JTM) 作業(yè)傳送和管理
joint 結(jié)；結(jié)點(diǎn)
joint time-frequency analysis (JTFA) 聯(lián)結(jié)時(shí)序頻率分析
joint-type field-effect transistor (JFET) 連結(jié)式場效應(yīng)管
joule (J) 焦耳
joystick 搖桿
jump 跳越
jump, indirect 間接跳越
jumper 跨接線
junction 接點(diǎn)；連結(jié)；結(jié)點(diǎn)
junction circuits 連接電路，中繼電路，匯接電路
junction depth 連結(jié)深度
junction diode 連結(jié)式二極管
junction field-effect transistor (JFET) 連結(jié)式場效應(yīng)管
junction isolation (JI) 連結(jié)隔離
junction leakage 接點(diǎn)泄漏
junction temperature 接點(diǎn)溫度
junction transistor 連結(jié)式晶體管
junction, solder 焊接點(diǎn)
junctor 連接器，聯(lián)絡(luò)線
just-in-time (JIT) 及時(shí)
justification 碼速調(diào)整，調(diào)整
justification bit 碼速調(diào)整位
justification ratio 碼速調(diào)整比
justify 對齊；調(diào)整
juxtaposition 并列