511: Difference between revisions

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of regulation means that variations in mains voltage results in variation
of regulation means that variations in mains voltage results in variation
of deflection sensitivity.   
of deflection sensitivity.   
In the 511A, the CRT cathode and anode voltages are produced by an 2 kHz oscillator  
In the 511A, the CRT cathode and anode voltages are produced by a 2 kHz oscillator  
that is powered by the 511A's +225 V<sub>DC</sub> regulated supply.  This results in vertical
that is powered by the 511A's +225 V<sub>DC</sub> regulated supply.  This results in vertical
deflection calibration that is independent of mains voltage.
deflection calibration that is independent of mains voltage.
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