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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 | 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. | ||