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EL84 - 6BQ5 16
EL84
R. F. OUTPUT PENTODE Base: NOVAL
Uf = 6,3 V If = 0,760 mA Typical characteristic: Ua = 250 V Ug2 = 250 V Ug1 = -7,3 V Ia = 48 mA Ig2 = 5,5 mA S = 11,3 mA/V Ri = 40 kΩ µg1/g2 = 19 Class A1 amplifier: Ua = 250 V Ug2 = 250 V Rk = 135 Ω Ia = 48 mA Ig2 = 5,5 mA Ra = 5,2 kΩ U =g1eff (50mW) 0,3 V Ug1eff(N) = 4,3 V N (10%)1) = 5,7 W N 2) = 6 W 1) Ug1 fest fixed grid bias 2) Ig1 +0,3 µA Limiting values:
Ua = 300 V Wa = 12 W Ug2 = 300 V Wg2 = 2 W Ug1 = -100 V
Ik = 65 mA Rg1 = 1 MΩ for automatic bias Rg1 = 0,3 MΩ for fixed bias Uk/f = 100 V Capacitances:
cg/k = 10 pF ca = 5,1 pF
cg/a = 0,6 pF cg1f = 0,15 pF
Dimension and connections:
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EL84 Datasheet
