HP 3336A Operating Manual page 106

under Step e.
Specification:
Any phase increment will be within 0.2° of the selected value.
Required Equipment:
a. Connect the REF OUT output, located on the 3336 (DUT) rear panel, to the B input of
the electronic counter. This will be the reference source against which phase increments will
be measured.
b. Connect the 3336 (DUT), 75 ohm output, to the A input of the electronic counter. Ter-
minate this output with a 75 ohm feedthru termination at the counter's input.
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