热丝加热 Uh…………………………....................................... 6.3(并) 12.6(串) V Ih…………………………..........................................0.60 0.3 A 极间电容 No.1 No.2 栅极-屏极…………………………...................................2.6 2.6 PF 输入电容…………………………....................................3.2 3.2 PF 输出电容…………………………................................... 0.5 0.4 PF 1屏-2屏…………………………..................................... 0.8 0.9 PF 最大额定值 屏极电压………………………….................................... 300 V 屏极耗散功率…………………………............................ 3.5 W 栅极电压 …………………………...................................-50 V 阴极电流 …………………………...................................20 mA 热丝-阴极间电压…………………………....................... 200 V 第一栅极电阻 固定偏压………………………….................................... 2.5 MΩ 自偏压…………………………........................................ 1 MΩ 典型工作特性 A1类放大(每三极部分) 屏极电压 …………………………...................................250 V 栅极电压 …………………………..................................-10.5 V 屏极电流 …………………………..................................11.5 mA 屏极内阻 …………………………...................................5.3 KΩ 跨导 …………………………..........................................3.1 mA /V 放大系数………………………….....................................17 |
描述