热丝加热 Uh………………………….............................6.3(并) 12.6(串) V Ih………………………….............................. 0.30 0.15 A A1类放大时极限值(每边) 阳极电压…………………………....................... 300 V 栅极电压…………………………....................... -50 V 阳极耗散功率…………………………................ 2.5 W 热丝阴极间电压(pk)………………………….±90 V 栅极电阻 自偏压…………………………............................ 1 MΩ 固定偏压…………………………....................... 0.25 MΩ 极间电容 栅极-栅极………………………….......................0.005 PF 阳极-阳极………………………….......................0.4 PF 栅极-阳极(每边)………………………….......1.5 PF 栅极-阴极、热丝(每边)……………………2.2 PF 阳极-阴极、热丝(每边)……………………0.5 PF 热丝-阴极(每边)…………………………......2.4 PF 阳极-阴极(每边)………………………….......0.2 PF 阴极-热丝、栅极(每边)……………………4.6 PF 阳极-热丝、栅极(每边)……………………1.8 PF 静态参数 Ua …………………………................................100 250 V Ia…………………………................................... 3.7 10 mA Gm…………………………................................ 4 5.5 mA/V Rk…………………………....................... .........270 200 Ω μ………………………….................................60 60 ri(approx) ………………………….....................15 10.9 KΩ Ug(approx) …………………………................... -5 -12 V (当Ia=10μA时) |
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