Darlington amplifier


Posted on Mar 28, 2007

Circuit schematic shown in Figure 2-3 ov, rlr, VT2 composition twin direct coupled input amplifier stage, the emitter-VT2 VTr base using local feedback to stabilize its DC oper


Darlington amplifier
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ating point O as emitter follower VT3, impedance transformation used to obtain match drive class, and to provide a greater level push operating current. VT4 push output stage, the use of high-power tube 3DD15, in order to promote greater output power. VTs, VT6 Darlington complementary power output stage. Rf (22kfl) and RF (1.2kfl) composed of the feedback loop and closed-loop gain of the circuit decision. Av 22/1.2 1. 03, together 25dBo




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