ECC83 - 12AX7, 7025 ECC83 S R.
F.
DOUBLE TRIODE Base: NOVAL Uf If = 6,3/12,6 V = ca.
300/150 mA Dimension and connections: Typical characteristic: Ua = 250 V Ug = -2 V Ia = 1,2 mA S = 1,6 mA/V Ri = 62,5 kΩ µ = 100 Limiting Ua = Wa = Ik = Ug = Rg = Uk/f = Rk/f = values: 300 V 1W 8 mA -50 V 2,2 MΩ 180 V 150 kΩ Capacitances: system I.
system II.
cg/k = 1,6 1,6 pF ca = 0,33 0,33 pF cg/a = 1,7 1,7 pF Operating characteristics: Resistance - coupled amplifer cathode grid bias Ub Ra Rg Rk Ia = = = = = 250 400 250 400 250 400 47 47 100 100 220 220 150 150 330 330 680 680 1,2 0,68 1,5 0,82 2,7 1,2 1,18 2,45 0,86 1,72 0,48 1,02 V kΩ kΩ kΩ mA www.
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