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These frequencies are produced by feeding the 1 MHz OCXO output to a series of three frequency multipliers. | These frequencies are produced by feeding the 1 MHz OCXO output to a series of three frequency multipliers. | ||
First the 1 MHz is quintupled to get the 5 MHz signal. | First the 1 MHz is quintupled to get the 5 MHz signal. | ||
Then the 5 MHz signal is doubled to | Then the 5 MHz signal is doubled to the 10 MHz signal. | ||
Then the 10 MHz signal is quintupled, yielding the 50 MHz signal. | Then the 10 MHz signal is quintupled, yielding the 50 MHz signal. | ||
Each of the three frequency multipliers is composed of a [[6DK6]] pentode | Each of the three frequency multipliers is composed of a [[6DK6]] pentode | ||