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Q meter

A Q meter is a piece of equipment used in the testing of radio frequency circuits. The Q meter has been largely replaced in professional laboratories by other types of impedance measuring device, though it is still in use among radio amateurs

Sources and external links

• "An experimental 'Q' meter" — article by Lloyd Butler (originally published in Amateur Radio, November 1988; revised April 2004)
• Boonton Q-Meter Type 160-A, 1946 — HP Virtual Museum