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…………………………................. 330 V 栅极负电压…………………………..............-50 V 栅极正电压…………………………...............0 V 阳极耗散功率…………………………...........1.2 W 热丝阴极间电压(pk)……………………±180 V 极间电容 No.1 No.2 输入电容…………………………....... 1.6 1.6 PF 输出电容…………………………....... 0.46 0.34 PF 跨路电容…………………………....... 1.7 1.7 PF 静电参数 Ua ………………………….................. 100 250 V Ug ………………………….................. -1 -2 V Ia …………………………..................0.5 1.2 mA Gm ………………………….................. 1.25 1.6 mA/V μ…………………………....................100 100 ri ………………………….....................80 62.5 KΩ |