pcf80电子管参数?
PCF80电子管,热丝电流300mA,热丝电压9V,三极管:阳极电流14mA,跨导5mA/V,放大因数20,除栅极外的所有阳极电容1.8pF,除阳极外的所有格栅电容2.5pF,阳极对格栅电容1.5pF,阳极电压100V,格栅电压-2V,;五极管:阳极电流10mA,跨导6.2mA/V,放大因数47,除栅极外的所有阳极电容3.4pF,除阳极外的所有格栅电容5.2pF,阳极对第一格栅最大电容0.025pF,阳极电压170V,第二格栅电压170V,第一格栅电压-2V,第二格栅电流2.8mA,内阻0.4兆欧......