To measure frequency response — FFT
Adevice’s frequency response can be measured using the high-speed FFT analysis.
The dynamic range is typically 80 dB. For better dynamic range, use the optional
Swept Sine instrument mode.
1 Initialize the analyzer.
Press [
Preset
].
[
DO P RESET
].
Press [
Meas Data
] [
FREQ RESP 2/1
].
2 Connect the device-under-test (DUT) as shown in the illustration.
3 Specify the measurement parameters.
Press [
Freq
] [
START
] <number> <unit>, then press [
STOP
] <number> <unit>.
Press [
Source
],[
PERIODIC CHIRP
].
Press [
LEVEL
] <number> <unit>, then press [
SOURCE ON OFF
] to highlight
ON
.
Press [
Window
] [
UNIFORM
].
Channel 1
Channel 2
Source
Making Measurements Agilent 35670A Quick Start Guide
30
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