THE SIMPLE HIGH-VOLTAGE REGULATOR
a current DA2 (minus a current of its base), the current will be converted to a voltage managing the power tran-sistor, on resistors R3, R5. Certainly, the resistor R5 reduces gain in a feedback loop, but allows unloading VT1 on power, also raises stability. The second input of the amplifier is used in two ways. Figure 10
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NEW PUSH-PULL TUBE AMPLIFIERS
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