12AU7/ECC82

          Operating Characteristics as a Phase Inverter

[Schematic of phase inverter circuit omitted from text file.]


Supply Voltage                250                    350 volts
Plate Current (Ip)           0.82                   1.16 mA
Plate Current (Ip')           4.5                    6.3 mA
Output Voltage [6]             13                     20 volts (RMS)
Voltage Gain                   11                     11
Percent Distortion [7]        1.5                    1.5 %
















Supply Voltage                250                    350 volts
Plate Current (Ip)           0.70                   1.00 mA
Plate Current (Ip')          0.68                   0.93 mA
Output Voltage [6]             15                     24 volts (RMS)
Voltage Gain                   11                     11
Percent Distortion [7]        1.0                    1.0 %



[6] Grid Current = + 0.3 uA.
[7] Approximatly proportional to output voltage.