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HP 8712C User Manual

HP 8712C
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I
-
Using Instrument Functions
Using Markers
To Search for Notch
Values
NOTE
The notch search function is intended for transmission or power measurements in log mag format only.
I I
1.
Tb
follow along with this example you will need to connect a notch
filter
to
the analyzer in place of the bandpass filter shown in Figure 4-2.
3. The notch search feature analyzes a notch
titer
and calculates the
bandwidth, center frequency, and Q (see note below) for the specified
notch level. (The default notch search level is -6
dB.)
The resulting
information is displayed in the upper-right corner of the network analyzer
screen. The notch feature puts marker 1 in delta marker mode. (Delta
marker mode is explained later in this chapter.)
NOTE
Q
stands for “quality factor,” defined as the ratio of a circuit’s resonant frequency to its bandwidth.
Your analyzer calculates (1 as the center frequency divided by the bandwidth.
4-15
Each marker’s dedicated use is listed in the following table. Figure 4-7 shows
a measurement channel 1 -6
dB
notch marker search.

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HP 8712C Specifications

General IconGeneral
BrandHP
Model8712C
CategoryMeasuring Instruments
LanguageEnglish

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