The reference impedance is briefly displayed.
" Select the desired reference impedance, e.g. 600 Ω,
pressing the key.
" Read the measurement value displayed.
5.3 Frequency Measurement Logic Level
The frequency of the rectangular signal can be measure-
ment when selecting the measurement function .
The sampling rate (pulse-duty factor) of the rectangular
signal is measurement when switching by using the
key.
" Turn measurement function selection dial to .
" Connect test leads to and COM sockets and
connect to UUT.
" The rectangular signal frequency is displayed.
" To obtain the sampling rate value in percent, press
the key.
Pulse duration: ti
Quiescent period: tp
Period interval: T = ti + tp
Frequency: f = 1 / T
Sampling rate: g = ti / T
51
Frequenzy Measurement
ENGLISH
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