Getting Started
1
Keysight 53147A/148A/149A Operating and Programming Guide
49
Measuring Frequency
The following diagram shows the basic sequence to use to make a frequency
measurement using Channel 1. This example assumes that the instrument is on
and has completed the Self Test. For the purposes of this example, use the 10
MHz reference output on the instrument’s rear panel as a signal source for input
to Counter Channel 1.
The same procedure applies to making a basic frequency measurement
on Channel 2. However, since Channel 2 is automatically selected when you turn
on the instrument, the channel-selection step is unnecessary (unless you
previously selected Channel 1).
Ch 2
Freq
Ch 1
Freq
Chan
Select
Ch 1
Freq
COUNTER
DAMAGE
+30 dBm
10 Hz to 125 MHz
Ch 2
Freq
CHANNEL 1
1M
CAUTION
The Channel 2 input path circuits contain sensitive GaAs semiconductors. To
prevent damage to these components, always adhere to standard ESD
(Electro-Static Discharge) prevention procedures, and ensure that the
maximum power specification for this channel (+27 dBm) is not exceeded.
Содержание 53147A
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