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Welcome to the online version of your LIBRA Manual. We hope that you find this helpful and informative. Visit us on the Internet at: www.DOSY.com...
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General Notation Libra On Grounded Grid amplifiers, we do not recommend checking modulation at higher powers. Grounded Grid amplifiers will not be able to output 100% modulation in the A.M. mode, however, the feed through power prevents the grounded grid from being fully modulated. This is the reason A.M.
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Operating Instructions Watts 1. SWR Meter 2. RF Power Watt Meter The Libra 631 Test Center will indicate the power output (in 3. Modulation Meter watts) of your equipment at the point in the transmission line 4. SWR Set Control Switch where you have installed the test center.
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