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General Dynamics 18CX4D • M20708/28

M20708/28 18CX4D

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REQUIREMENTS

Requirement Value Unit Tolerance
Frequency 400 Hz ±1%
Primary Voltage 115 volts ±1%
Primary Current 110 milliamps maximum
Primary Power 1.1 watts maximum
Impedance Zro 1045-1400 ohms min.-max.
Zss 40.0-57.0 ohms min.-max.
Impedance Angle Zro 84.0-87.5 degrees min.-max.
Zss 34.0-48.0 degrees min.-max.
Transformation Ratio 0.783 ----- ±2%
Phase Shift (Lead) 1.5 degrees ±1.5
Electrical Error 6.0 minutes maximum
Null Voltage Total 60 millivolts maximum
Fundamental 340 millivolts maximum
Friction Torque 0.10 ounce-inches maximum
Radical Play 0.0006 inches maximum
End Play 0.0015 inches ±0.0010
Temperature Rise 20 degrees (C) maximum